{"product_id":"m-125-full-size-dirt-bike","title":"Coolster M-125 Full Size Dirt Bike","description":"\u003cp\u003e\u003cstrong\u003e17 inch front wheel, full manual, 92 kilos. The biggest dirt bike in the lineup and the only genuinely adult one.\u003c\/strong\u003e\u003c\/p\u003e\u003ctable class=\"fit-box\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eRider\u003c\/th\u003e\n\u003ctd\u003eAdults and experienced teens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat height\u003c\/th\u003e\n\u003ctd\u003e28.7 inches (730 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eManual clutch with a foot shifter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eParental controls\u003c\/th\u003e\n\u003ctd\u003eNone. Full size adult machine.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003csmall\u003eRider age is our recommendation, not the manufacturer's. Coolster does not publish a recommended age for this model, and we would rather give you our honest read than leave the row blank. Seat height and transmission are straight off their spec sheet. Our \u003ca href=\"\/pages\/size-guide\"\u003esize guide\u003c\/a\u003e walks the whole thing through in two minutes.\u003c\/small\u003e\u003c\/p\u003e\u003cp\u003eA 70\/100-17 front and a 90\/100-14 rear puts this on real motocross geometry rather than pit bike geometry. It rolls over things the smaller bikes stop on.\u003c\/p\u003e\u003cp\u003eManual clutch, foot shift, hydraulic discs at both ends, and a 28.7 inch seat that suits a full grown rider. Kick start only.\u003c\/p\u003e\u003ch3\u003eWho this one is for\u003c\/h3\u003e\u003cp\u003eAdults and experienced teens. This is not a learner machine and there is nothing on it to slow a rider down. If it is going to be somebody's first bike, buy the XR-125 instead and move up next year.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e124cc single cylinder four stroke\u003c\/li\u003e\n\u003cli\u003eManual clutch, foot shifter\u003c\/li\u003e\n\u003cli\u003eHydraulic disc brakes front and rear\u003c\/li\u003e\n\u003cli\u003e70\/100-17 front and 90\/100-14 rear, full size motocross wheels\u003c\/li\u003e\n\u003cli\u003e4.5 litre fuel tank, the biggest of our dirt bikes\u003c\/li\u003e\n\u003cli\u003e28.7 inch seat height\u003c\/li\u003e\n\u003cli\u003eThree colors: Red, Blue and Red Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Number\u003c\/th\u003e\n\u003ctd\u003eM-125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine Type\u003c\/th\u003e\n\u003ctd\u003e124CC Single cylinder, 4-stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003ctd\u003e124cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Torque\u003c\/th\u003e\n\u003ctd\u003e8.6N.m\/5500r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Power\u003c\/th\u003e\n\u003ctd\u003e5.5kW\/7500r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Stroke\u003c\/th\u003e\n\u003ctd\u003e54 x 54mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIgnition\u003c\/th\u003e\n\u003ctd\u003eCDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStarting System\u003c\/th\u003e\n\u003ctd\u003eKick Start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClutch\u003c\/th\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eChain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrakes Front\/Rear\u003c\/th\u003e\n\u003ctd\u003eHydraulic Disc \/ Hydraulic Disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTires Front\/Rear\u003c\/th\u003e\n\u003ctd\u003e70\/100-17 \/ 90\/100-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Capacity\u003c\/th\u003e\n\u003ctd\u003e4.5 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eGross 92 kg \/ 203 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e1670 x 835 x 1120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight to Seat\u003c\/th\u003e\n\u003ctd\u003e730 mm \/ 28.7 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin. Ground Clearance\u003c\/th\u003e\n\u003ctd\u003e120 mm \/ 4.7 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003csmall\u003eEvery figure above is copied from Coolster's own published specification table for model M-125, read on 28 August 2026. Where a metric value was published we added the imperial conversion in brackets and changed nothing else. Manufacturer reserves the right to change specifications without notice.\u003c\/small\u003e\u003c\/p\u003e\u003ch3\u003eQuestions people actually ask\u003c\/h3\u003e\u003cdetails class=\"pdp-faq\"\u003e\u003csummary\u003eIs this a kids bike?\u003c\/summary\u003e\u003cp\u003eNo. 17 inch front wheel, full manual, 203 pounds and a 28.7 inch seat. It is a small adult motocross bike. There is nothing on it to slow a rider down.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"pdp-faq\"\u003e\u003csummary\u003eHow does it compare to the XR-125?\u003c\/summary\u003e\u003cp\u003eSame 124cc engine, completely different bike around it. The M-125 has full size motocross wheels, a bigger tank and real geometry. The XR is lighter, lower and more forgiving.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"pdp-faq\"\u003e\u003csummary\u003eKick start only?\u003c\/summary\u003e\u003cp\u003eYes.\u003c\/p\u003e\u003c\/details\u003e\u003ch3\u003eBefore you buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/shipping-freight\"\u003eShipping and freight\u003c\/a\u003e: free to the lower 48, curbside with a liftgate included, and exactly what to do if the crate arrives damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/assembly-setup\"\u003eAssembly and setup\u003c\/a\u003e: the one to two hours between the crate and the first ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e: what is covered, what counts as a wear item, in plain English.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/safety-first\"\u003eSafety first\u003c\/a\u003e: gear, rules and supervision. Please read this one.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/compare\"\u003eCompare all 13 machines\u003c\/a\u003e on rider age, seat height, real displacement and machine weight, on one page.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eWe would rather sell you one machine your family enjoys for years than rush you into the wrong one. Not sure about size? Run the \u003ca href=\"\/pages\/rider-fit-finder\"\u003eRider Fit Finder\u003c\/a\u003e, or just call us. Nobody here works on commission.\u003c\/em\u003e\u003c\/p\u003e","brand":"Coolster","offers":[{"title":"Red","offer_id":49648444571863,"sku":"M-125-RED","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":49648444604631,"sku":"M-125-BLUE","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"Red Black","offer_id":49648444637399,"sku":"M-125-RED-BLACK","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/5946\/3639\/files\/2020M-125-Red-6-scaled-1024x683.jpg?v=1787877609","url":"https:\/\/blueskypowersports.com\/products\/m-125-full-size-dirt-bike","provider":"Blue Sky Powersports","version":"1.0","type":"link"}