{"product_id":"hkm-8502099-49cc-mini-dirt-bike-inverted-fork-disc-brakes-knobby-tires-7769468502099","title":"HKM-8502099 49cc 2-Stroke Gas Mini Dirt Bike for Kids with Inverted Fork Disc Brakes Both Wheels and 8 and 10-Inch Knobby Tires","description":"\u003csvg style=\"display:none\"\u003e\u003csymbol id=\"icn-truck\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M2.6 6.4h11.8v9.8H2.6z\"\u003e\u003c\/path\u003e\u003cpath d=\"M14.4 9.4h4l3 3.4v3.4h-7\"\u003e\u003c\/path\u003e\u003ccircle cx=\"6.6\" cy=\"17.8\" r=\"1.8\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17.2\" cy=\"17.8\" r=\"1.8\"\u003e\u003c\/circle\u003e\u003c\/symbol\u003e\u003csymbol id=\"icn-clock-charge\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"7.6\"\u003e\u003c\/circle\u003e\u003cpath d=\"M12 7.4V12l3.2 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.icon{display:none!important;}\n@media(max-width:768px){\n.srow{display:grid!important;grid-template-columns:1fr!important;grid-template-areas:\"sl\" \"sv\"!important;column-gap:0!important;padding:14px 18px!important;border-bottom:1px solid #eef0f3!important;}\n.srow:nth-child(even){background:#f7f8fa!important;border-bottom-color:transparent!important;}\n.srow:nth-child(odd){background:#ffffff!important;}\n.sk{display:contents!important;}\n.sk .icon{display:none!important;}\n.sk svg{display:none!important;}\n.sv{padding:0!important;}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"band b1\"\u003e\u003cdiv class=\"w\"\u003e\n\u003cp class=\"eyebrow\"\u003eHKM-8502099\u003c\/p\u003e\n\u003ch1 class=\"h1\"\u003eA Rockstar-Style 49cc Mini Dirt Bike\u003c\/h1\u003e\n\u003cp class=\"sub\"\u003eThe HKM-8502099 is a gas-powered mini dirt bike dressed in blue and white Rockstar-style graphics with the number 99 on the front plate and the side panels. An inverted front fork leads the 8-inch front wheel, a rigid swingarm carries the 10-inch rear wheel, and disc brakes sit at both ends. The 49 cc two-stroke engine starts on a pull rope, feeds an automatic clutch and a chain, and tops out around 19 mph. Knobby tires, a padded seat and a side stand finish the bike.\u003c\/p\u003e\n\u003cdiv class=\"chips\"\u003e\n\u003cspan class=\"chip\"\u003eInverted Fork\u003c\/span\u003e\u003cspan class=\"chip\"\u003e49cc 2-Stroke\u003c\/span\u003e\u003cspan class=\"chip\"\u003eUp to 19 MPH\u003c\/span\u003e\u003cspan class=\"chip\"\u003e8 \u0026amp; 10-Inch Wheels\u003c\/span\u003e\u003cspan class=\"chip\"\u003eFront \u0026amp; Rear Discs\u003c\/span\u003e\u003cspan class=\"chip\"\u003eChain Drive\u003c\/span\u003e\u003cspan class=\"chip\"\u003ePull Start\u003c\/span\u003e\u003cspan class=\"chip\"\u003eTwist-Grip Throttle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band g1\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eKey Features\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eSix details that define how the HKM-8502099 is built and how it rides.\u003c\/p\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eInverted Front Fork\u003c\/h3\u003e \u003cp class=\"cd\"\u003eUpside-down fork legs hold the front wheel, the stiff layout mini motocross bikes use. The fat upper tubes take the hits from ruts and kerbs, and the wheel tracks straight under braking.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003e49cc Two-Stroke Engine\u003c\/h3\u003e \u003cp class=\"cd\"\u003eThe 49 cc two-stroke mounts low in the steel frame and runs on gasoline premixed with two-stroke oil at 25:1. A pull rope starts it cold, and a fresh mix keeps it snappy all session.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eAutomatic Clutch, Chain Drive\u003c\/h3\u003e \u003cp class=\"cd\"\u003eAn automatic centrifugal clutch feeds the chain, so the bike rolls away from a stop on throttle alone. There is no gear lever and no clutch lever for a new rider to fight.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eDisc Brakes at Both Ends\u003c\/h3\u003e \u003cp class=\"cd\"\u003eA disc sits at the front wheel and a second at the rear, splitting the braking work between the two ends. Both levers live on the handlebar within a short reach of young hands.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003e8 and 10-Inch Knobby Tires\u003c\/h3\u003e \u003cp class=\"cd\"\u003eA smaller 8-inch front wheel turns in quick and the inch-taller 10-inch rear rolls over ruts with momentum. Deep-lug knobby tread bites into dirt, grass and gravel alike.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eRockstar-Style Graphics\u003c\/h3\u003e \u003cp class=\"cd\"\u003eBlue and white panels with the number 99 plate up front and matching side decals, a padded seat and a side stand. The bike carries a race-bike look because it is styled like one.\u003c\/p\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gf\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eOverview\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eA Rockstar-styled 49cc mini dirt bike with an inverted fork and discs at both wheels.\u003c\/p\u003e\n\u003cdiv class=\"prose\"\u003e\u003cp\u003eThe HKM-8502099 borrows its look from full-size motocross: a black front number plate wearing the number 99, blue and white graphics with star detailing, and an inverted front fork over a small 8-inch wheel. The 49 cc two-stroke engine sits low in a welded steel frame and drives through an automatic clutch and a chain, so riding it means throttle and brakes, nothing else. Disc brakes slow both the 8-inch front and the 10-inch rear wheel, and knobby tires grip loose ground. The engine starts on a recoil rope and burns premixed fuel at 25:1, so a session never waits on a battery. A side stand parks the bike between rides.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band b5\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eAn Inverted Fork Up Front\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eMotocross-style fork legs hold the front wheel.\u003c\/p\u003e\n\u003cdiv class=\"galwrap\"\u003e\u003cimg class=\"galimg\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0624\/6170\/6323\/files\/hero_v3_7c953913-ff7c-4dbc-b504-86a4b8c998ff.png\" alt=\"HKM-8502099 mini dirt bike studio shot on a white background\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"prose\"\u003e\u003cp\u003eThe inverted fork holds the front wheel with the fat tubes up top, the same layout the big motocross bikes run. It keeps the front end stiff under braking and quick to steer, lap after lap on loose ground.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gspec\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eFull Specifications\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eWhat it runs, how it stops and what it carries.\u003c\/p\u003e\n\u003cdiv class=\"spec\"\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eModel\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eHKM-8502099 | Mini Dirt Bike\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eProduct Type\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eGas-Powered Mini Dirt Bike\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eEngine\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003e49 cc 2-Stroke, Air-Cooled\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eMax Speed\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eUp to 19 mph (30 km\/h)\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eStarting System\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003ePull Start with Recoil Rope\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eClutch\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eAutomatic Centrifugal\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eFinal Drive\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eChain\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eTransmission\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eSingle Speed, No Shifting\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eFront Brake\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eDisc\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eRear Brake\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eDisc\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eFront Suspension\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eInverted Telescopic Fork\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eRear Suspension\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eRigid-Mount Swingarm\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eWheels\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003e8 In Front \/ 10 In Rear\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eTires\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eKnobby, Off-Road Tread\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eFrame\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eWelded Steel Tube\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eSeat\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eLow Padded Seat\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eHandlebar\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eRaised Bar with Crossbar Pad\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eBodywork\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eBlue\/White Graphics, No. 99 Plates\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eStand\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eSide Stand\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eExhaust\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eSteel Pipe with Silencer\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eFuel Tank\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003e0.5 gal (1.8 L)\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eFuel\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eUnleaded Gasoline Premix 25:1\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eLoad Capacity\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003e265 lb (120 kg)\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eRecommended Rider\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eYoung Riders, Adult Supervision\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eAssembly\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eShips Partially Assembled\u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"srow\"\u003e \u003cdiv class=\"sk\"\u003e \u003cspan class=\"sl\"\u003eCertification\u003c\/span\u003e \u003c\/div\u003e \u003cdiv class=\"sv\"\u003eCE Marked, ISO 9001 Facility\u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band b5\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eEngine, Frame and Suspension\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eHow the 49cc engine and the inverted fork work together.\u003c\/p\u003e\n\u003cdiv class=\"prose\"\u003e\u003cp\u003eThe HKM-8502099 runs a 49 cc two-stroke engine mounted low in a welded steel frame, feeding an automatic clutch and a final chain. The inverted fork holds the front wheel steady under braking, and the rigid rear swingarm keeps the 10-inch wheel planted without extra parts to maintain. A disc at each wheel does the stopping, worked by both handlebar levers. Fuel is unleaded gasoline premixed with two-stroke oil at 25:1, carried in a half-gallon tank, and the spark plug stays reachable for checks between sessions.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003e \u003cspan class=\"tiplabel\"\u003e\u003cb\u003ePro tip:\u003c\/b\u003e \u003c\/span\u003eMix fuel fresh at 25:1 in a clean can before every session, check the chain has about half an inch of free play, and squeeze each brake lever to feel the discs bite before the wheels roll.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gf\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eEverything needed to get riding, right out of the crate.\u003c\/p\u003e\n\u003cdiv class=\"boxlist\"\u003e\n\u003cdiv class=\"bitem\"\u003e \u003cdiv\u003e \u003ch4\u003e1 x Mini Dirt Bike\u003c\/h4\u003e \u003cp\u003eThe HKM-8502099 frame, engine and wheels, partially assembled\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"bitem\"\u003e \u003cdiv\u003e \u003ch4\u003e1 x Owner's Manual\u003c\/h4\u003e \u003cp\u003eSetup, break-in and care guidance\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"bitem\"\u003e \u003cdiv\u003e \u003ch4\u003e1 x Tool Kit\u003c\/h4\u003e \u003cp\u003eWrenches for the final assembly steps\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"bitem\"\u003e \u003cdiv\u003e \u003ch4\u003e1 x Spare Spark Plug\u003c\/h4\u003e \u003cp\u003eA ready backup for the 49 cc engine\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"bitem\"\u003e \u003cdiv\u003e \u003ch4\u003e1 x Warranty Card\u003c\/h4\u003e \u003cp\u003eRegistration and coverage details\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"bitem\"\u003e \u003cdiv\u003e \u003ch4\u003e1 x Assembly Hardware\u003c\/h4\u003e \u003cp\u003eBolts and fittings bagged by step\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gf\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eWhy Choose the HKM-8502099\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eSix further reasons riders pick the HKM-8502099.\u003c\/p\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eStyled Like a Racer\u003c\/h3\u003e \u003cp class=\"cd\"\u003eBlue and white graphics, a number 99 front plate and an inverted fork give the bike a real motocross stance, which makes a young rider sit taller in the saddle.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eNo Gears to Learn\u003c\/h3\u003e \u003cp class=\"cd\"\u003eThe automatic clutch feeds the chain by engine speed, so a new rider only works the throttle and two brake levers. Nobody has to stall their way through a first lesson.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eNothing to Charge\u003c\/h3\u003e \u003cp class=\"cd\"\u003eThe engine starts on a pull rope and runs on premixed gasoline at 25:1, so a session never waits on a wall outlet, and there is no battery pack to fade halfway through the afternoon.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eSimple Rear End\u003c\/h3\u003e \u003cp class=\"cd\"\u003eA rigid-mounted swingarm carries the rear wheel with no shock linkage to service, so the drivetrain stays chain, sprocket and spark plug, all reachable with the supplied tools.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eWheels Sized for Control\u003c\/h3\u003e \u003cp class=\"cd\"\u003eThe small 8-inch front wheel turns in quickly while the 10-inch rear keeps rolling momentum, a pairing that flatters new riders still learning to read the ground ahead.\u003c\/p\u003e \u003c\/div\u003e\n\u003cdiv class=\"card rv\"\u003e \u003ch3 class=\"ct\"\u003eRoom to Grow Into\u003c\/h3\u003e \u003cp class=\"cd\"\u003eUp to 19 mph with adult supervision, the bike gives young riders a proper machine to learn throttle discipline on, sized down to a frame they can flatten a foot against.\u003c\/p\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band g7\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eQuick answers about the HKM-8502099 mini dirt bike.\u003c\/p\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat fuel does the engine burn?\u003c\/summary\u003e\u003cp\u003eThe 49 cc two-stroke runs on unleaded gasoline premixed with two-stroke oil at 25:1. Mix fresh in a clean can, shake before pouring, and do not let mixed fuel sit for weeks, because the oil separates and the engine runs lean on stale mix. The half-gallon tank keeps weight low and refills quick. A spare spark plug ships in the box, and a clean plug is the cheapest fix for a bike that cranks but will not catch.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow fast does the bike actually go?\u003c\/summary\u003e\u003cp\u003eUp to 19 mph (30 km\/h) in stock form. Real speed moves with the rider's weight, the surface and how fresh the premix is, so expect a bit less up a grass slope and a bit more on flat packed dirt. The automatic clutch keeps the power predictable rather than peaky, which is what matters for a new rider. Set the first sessions on private land with an adult watching, and let speed grow as throttle control does.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it have a gear lever?\u003c\/summary\u003e\u003cp\u003eNo. The engine feeds an automatic centrifugal clutch, so power arrives as the revs rise and the bike rolls away from a stop without any shifting. There is no clutch lever, no stall at a stop, and no gear hunting on a slope. A new rider only manages the twist throttle and the two brake levers, which keeps the first hour about balance and braking rather than about finding neutral. The final drive is a chain, so tension checks belong on the service list.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy is the front wheel smaller than the rear?\u003c\/summary\u003e\u003cp\u003eThe 8-inch front wheel steers quick and light, which suits new riders still learning to pick a line, while the 10-inch rear carries the momentum over ruts instead of dropping into every one. The pairing comes straight from small motocross bikes, where a nimble front end matters more than top speed. Both wheels wear the same deep knobby tread, so grip stays even front to back.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow does the engine start cold?\u003c\/summary\u003e\u003cp\u003eWith the recoil rope. Set the bike on its side stand and pull the rope in one smooth, full stroke rather than short yanks, letting it rewind between pulls. Most cold engines catch within a handful of honest pulls. If the bike was flooded by repeated pulling, wait a minute, then pull through with the throttle shut. A fouled spark plug is the other usual suspect, which is why a spare ships in the box, and a clean plug costs nothing to fit with the supplied tools.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhere is the bike meant to be ridden?\u003c\/summary\u003e\u003cp\u003eOn private land and closed courses, with an adult present. It is not built or approved for public roads, so keep it off tarmac traffic entirely, and check local rules before the first ride because some areas restrict small gas-powered bikes beyond the road question. Flat, open ground without holes or wire is the right classroom. Gear up every time: a certified helmet, eye protection, gloves and closed shoes are the baseline for even a slow first session.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gf\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eQuick Troubleshooting\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eCommon HKM-8502099 issues and what to check first.\u003c\/p\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eThe engine will not start\u003c\/summary\u003e\u003cp\u003eWork through the cheap causes first. Confirm there is fresh premix in the tank, because stale mix is the most common no-start on a two-stroke. Pull the spark plug, check it is dry and light tan rather than wet or dark, and swap in the spare from the box if it looks fouled. Pull the rope in full, smooth strokes rather than short yanks, since a half pull never spins the engine fast enough to catch. If the plug is wet, the engine is flooded: wait a few minutes, pull through with the throttle shut, then try again.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eThe engine bogs at full throttle\u003c\/summary\u003e\u003cp\u003eA two-stroke that hesitates when the throttle opens is usually being fed badly rather than broken. Start with the premix: oil that separated in an old can leans the mixture out. Next, check the air side of the engine, because a filter packed with grass dust after a dusty session chokes the intake exactly this way. If both look fine, check the spark plug color after a short run, since a wet, dark plug points at a fuel mixture that needs attention. Work one cause at a time and note what changed.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eThe chain skips under load\u003c\/summary\u003e\u003cp\u003eA skipping chain is a tension and alignment problem until proven otherwise. Check that the chain has roughly half an inch of free play at its tightest point, and adjust the rear axle adjusters evenly on both sides so the rear wheel stays square with the front. An over-tight chain strains the bearings and an under-tight one skips exactly under throttle. Lubricate the chain after every dusty session, and inspect the sprocket teeth while you are there, because hooked teeth will eat a fresh chain in return.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eThe brakes feel soft at the lever\u003c\/summary\u003e\u003cp\u003eSoft lever feel on a cable-worked disc usually means the cable has stretched or picked up grit. Check that the lever actuates the caliper fully at half travel, and take up the slack with the barrel adjuster at the lever before touching anything at the wheel. If the feel stays soft, check the disc face is clean and dry, because oily fingerprints from assembly or chain lube overspray will cut braking power noticeably. Bed new pads in with a series of firm stops rather than one panic stop.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eThe bike pulls to one side\u003c\/summary\u003e\u003cp\u003eStart with the tires, because uneven pressure across the two wheels steers the bike more than any rider input. Check both tires are at similar pressure, then check the rear axle nuts and the adjuster marks, since a rear wheel knocked out of square after a low-speed tip will make the bike drift. If both check out, stand in front of the bike and sight the front wheel to the handlebar, because a bar that took a knock in a fall can sit off-center. Anything bent is a replacement, not an adjustment.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eThe idle will not settle\u003c\/summary\u003e\u003cp\u003eGive the engine a real warm-up before judging the idle, because a two-stroke idles differently cold than hot. Once warm, if the idle sits too high, too low or hunts, turn the idle screw in small steps rather than large ones and let the engine settle between turns. A dirty air filter or an aged spark plug can mimic an idle problem, so rule both out before touching anything further. If the idle stays unstable after those checks, note the plug color and contact support rather than disassembling the carburetor on guesswork.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gf\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eService \u0026amp; Policies\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eCoverage that keeps working long after the order arrives.\u003c\/p\u003e\n\u003cdiv class=\"pols\"\u003e\n\u003cdiv class=\"pol\"\u003e \u003cspan class=\"icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cuse href=\"#icn-truck\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv\u003e \u003ch4\u003eFree Shipping on All Orders\u003c\/h4\u003e \u003cp\u003eEvery order ships free. Handling time: 0-1 business days (Monday to Friday). Transit time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"pol\"\u003e \u003cspan class=\"icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cuse href=\"#icn-clock-charge\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv\u003e \u003ch4\u003e180 Days Purchase Protection\u003c\/h4\u003e \u003cp\u003eYour purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"pol\"\u003e \u003cspan class=\"icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cuse href=\"#icn-refund\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv\u003e \u003ch4\u003e30 Days Money Back Guarantee\u003c\/h4\u003e \u003cp\u003eNot completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003cdiv class=\"pol\"\u003e \u003cspan class=\"icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cuse href=\"#icn-warranty\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv\u003e \u003ch4\u003e24 Months Warranty Service\u003c\/h4\u003e \u003cp\u003eThe product is covered by a 24-month warranty from the delivery date against manufacturing defects. Coverage includes parts and labor; normal-wear items are excluded.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"band gf\"\u003e\u003cdiv class=\"w\"\u003e\n\u003ch2 class=\"stitle\"\u003eImportant Safety Notes\u003c\/h2\u003e\n\u003cp class=\"ssub\"\u003eRead these notes before the first ride in the HKM-8502099.\u003c\/p\u003e\n\u003cdiv class=\"safelist\"\u003e\u003cdiv class=\"safe\"\u003e\n\u003cspan class=\"icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cuse href=\"#icn-alert-helmet\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cp\u003eThe HKM-8502099 is a gas-powered mini dirt bike that reaches up to 19 mph (30 km\/h). Read the manual before the first start, and practice throttle control and both brakes in an open, traffic-free area until they feel routine. A certified helmet and eye protection belong on every ride, with gloves, closed shoes and long pants as the working minimum. Stay within the 265 lb load rating with adult supervision, and keep the bike on private land or closed courses, never on public roads. Check tire pressure, chain tension and brake action before each session, and let the engine cool before refueling.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp class=\"disclaimer\"\u003eHKM-8502099 - gas-powered mini dirt bike with a 49 cc two-stroke engine, welded steel frame, inverted telescopic front fork, rigid rear swingarm, front and rear disc brakes, 8 and 10-inch knobby wheels, automatic clutch with chain final drive, pull starter, twist-grip throttle, number 99 plates and graphics and a side stand. Read the manual before first use. Nothing here is safety certification advice.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cscript\u003e(function(){document.documentElement.classList.add('has-js');var els=document.querySelectorAll('.rv');if(!('IntersectionObserver' in window)){for(var i=0;i\u003cels.length;i++){els[i].classList.add('in');}return;}var io=new IntersectionObserver(function(en){en.forEach(function(x){if(x.isIntersecting){x.target.classList.add('in');io.unobserve(x.target);}});},{threshold:0.12});for(var j=0;j\u003cels.length;j++){io.observe(els[j]);}})();\u003c\/script\u003e","brand":"Gasoline Motorcycle \u003e\u003e","offers":[{"title":"- Default","offer_id":43310761148499,"sku":"868053898787","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0624\/6170\/6323\/files\/HKM-502099-49CC-Mini-Off-Road-Dirt-Bike-30KMH-Speed-2-Stroke-Engine-Disc-Brakes-8-10-Inch-Wheels.webp?v=1766472312","url":"https:\/\/www.hekomart.com\/products\/hkm-8502099-49cc-mini-dirt-bike-inverted-fork-disc-brakes-knobby-tires-7769468502099","provider":"Hekomart.com","version":"1.0","type":"link"}