{"product_id":"trailmaster-mk125-125cc-dirt-bike-4-speed-manual-dual-disc-brakes-electric-start","title":"TrailMaster MK125 125cc Dirt Bike - 4-Speed Manual, Dual Disc Brakes, Electric Start","description":"\u003ch1\u003eTrailMaster MK125 125cc Dirt Bike - 4-Speed Manual, Dual Disc Brakes, Electric Start\u003c\/h1\u003e\n\u003chr\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe TrailMaster MK125 is a mid-size Pro-Series dirt bike built for riders ages 12 and up who are ready to step up their off-road game. Developed in partnership with JHL Offroad, the MK125 is powered by a Zongshen Balanced Shaft 125cc 4-stroke air-cooled engine producing 6.3 horsepower, with both electric start and kick backup for reliable ignition every time. At just 149 lbs and with a 29-inch seat height, it strikes the right balance between lightweight agility and real trail performance.\u003c\/p\u003e\n\u003cp\u003eThe Pro-Series pedigree shows in every detail - from the inverted 43\/45mm front fork and nitrogen air gas rear mono shock to the stainless steel performance muffler and alloy foldable levers. Front and rear disc brakes deliver confident stopping power on any terrain, while the waterproof wire harness and CDI ignition keep things running smoothly ride after ride. The MK125 is available in red, blue, and green.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZongshen Balanced Shaft 125cc Engine:\u003c\/strong\u003e Air-cooled, 4-stroke single cylinder delivering 6.3 hp at 7,500 rpm for strong, consistent trail performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Start with Kick Backup:\u003c\/strong\u003e CDI ignition system with both electric and kick start so you're never stranded on the trail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Speed Manual Transmission (N-1-2-3-4):\u003c\/strong\u003e True sequential shifting - no circular shift - for full rider control through every gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Disc Brakes (Front \u0026amp; Rear):\u003c\/strong\u003e High-quality disc brakes on both ends provide reliable, confident stopping power across all terrain types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverted Front Fork (43\/45mm):\u003c\/strong\u003e Pro-grade inverted shock absorbers improve handling and absorb trail impacts for a smooth, controlled ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen Air Gas Rear Shock:\u003c\/strong\u003e Non-adjustable mono shock with aluminum linkage delivers race-inspired rear suspension performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow 29\" Seat Height:\u003c\/strong\u003e Approachable seat height designed for younger or smaller riders stepping into a full-size dirt bike experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy Wheels, Hubs \u0026amp; Foldable Levers:\u003c\/strong\u003e Lightweight alloy components throughout reduce weight and improve durability on the trail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Stainless Steel Muffler:\u003c\/strong\u003e Pro-Series exhaust system designed for optimal airflow and a satisfying throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Wire Harness:\u003c\/strong\u003e Protects electrical connections from mud, water, and trail debris for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14\/12 Wheel Configuration:\u003c\/strong\u003e 60\/100-14 front and 80\/100-12 rear YUANXING tires sized for mid-size trail and off-road riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eThis product requires additional shipping. If you'd like a quote before you purchase, fill out the form on this page or email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTrailMaster MK125 125cc Dirt Bike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003eThe MK125 is the kind of dirt bike that earns its reputation one trail at a time. Built to Pro-Series standards, it delivers premium suspension, braking, and engine performance that growing riders can genuinely feel the difference on. The electric start makes it easy to get going, while the 4-speed manual transmission gives developing riders the real gear-shifting experience they're after. Parents and riders alike will appreciate the thoughtfully chosen 29-inch seat height - low enough to build confidence, capable enough to tackle real terrain. With a high-quality steel frame, alloy components throughout, and a waterproof harness that shrugs off the elements, the MK125 is built to ride hard and last long. Whether it's weekend trail rides or daily practice sessions, this is a machine that grows with your rider.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine Type\u003c\/th\u003e\n\u003ctd\u003eZongshen Balanced Shaft 125, Single Cylinder, 4-Stroke, Air-Cooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003ctd\u003e123cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Power\u003c\/th\u003e\n\u003ctd\u003e6.3 HP @ 7,500 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Torque\u003c\/th\u003e\n\u003ctd\u003e8.8 Nm @ 5,500 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompression Ratio\u003c\/th\u003e\n\u003ctd\u003e9.0:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShift Type\u003c\/th\u003e\n\u003ctd\u003e4-Speed Manual, N-1-2-3-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStart Type\u003c\/th\u003e\n\u003ctd\u003eElectric \/ Kick Start\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\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eChain Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubricant\u003c\/th\u003e\n\u003ctd\u003e10W\/40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin. Fuel Consumption\u003c\/th\u003e\n\u003ctd\u003e367 g\/kw.h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Capacity\u003c\/th\u003e\n\u003ctd\u003e0.92 Gal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Size (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e63\" x 27\" x 42\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheelbase\u003c\/th\u003e\n\u003ctd\u003e31\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Height\u003c\/th\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGround Clearance\u003c\/th\u003e\n\u003ctd\u003e10.24\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum Turning Radius\u003c\/th\u003e\n\u003ctd\u003e1,900 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront Tire\u003c\/th\u003e\n\u003ctd\u003eYUANXING 60\/100-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Tire\u003c\/th\u003e\n\u003ctd\u003eYUANXING 80\/100-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheels\u003c\/th\u003e\n\u003ctd\u003eSteel Rims, High Quality Alloy Hubs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003ctd\u003eHigh Quality Steel Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront Fork\u003c\/th\u003e\n\u003ctd\u003eInverted Shock Absorbers, 43\/45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Shock\u003c\/th\u003e\n\u003ctd\u003eNon-Adjustable Mono Shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUpper\/Lower Connecting Board\u003c\/th\u003e\n\u003ctd\u003eAlloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandle Lever\u003c\/th\u003e\n\u003ctd\u003eFoldable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront Brake\u003c\/th\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Brake\u003c\/th\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExhaust\u003c\/th\u003e\n\u003ctd\u003eStainless Steel Muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e149 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGross Weight\u003c\/th\u003e\n\u003ctd\u003e213 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePacking Size\u003c\/th\u003e\n\u003ctd\u003e55\" x 17\" x 33\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Age\u003c\/th\u003e\n\u003ctd\u003e12 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat age and size rider is the MK125 best suited for?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe MK125 is recommended for riders ages 12 and up. With a 29-inch seat height and a net weight of 149 lbs, it's sized for pre-teen and teenage riders who are ready for a mid-size off-road bike. Always ensure the rider can comfortably reach the ground and controls before riding.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the MK125 use circular shifting?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eNo. The MK125 uses a true sequential 4-speed transmission (N-1-2-3-4). This means when you're in 4th gear and shift up, it stops - it does not cycle back to neutral or 1st gear. This is the correct and preferred shifting pattern for safety and rider control.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it come assembled or does it require assembly?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe MK125 ships partially assembled in a crate. Some final assembly steps - such as attaching the handlebars, mirrors, and front wheel - will be required upon arrival. Basic mechanical tools and familiarity with dirt bike assembly are helpful. Consult the included documentation for step-by-step guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is the MK125 shipped?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe MK125 ships freight on a pallet due to its size and weight (213 lbs gross). Freight delivery is curbside - the carrier will deliver to the curb or driveway, but will not bring it inside. Please contact us before purchasing if you need a shipping quote or have special delivery requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat fuel and oil does the MK125 require?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe MK125 runs on regular unleaded gasoline with a fuel capacity of 0.92 gallons. For engine oil, use 10W\/40 motor oil as specified. Always check the oil level before each ride and follow the manufacturer's service intervals for oil changes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the MK125 street legal?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe TrailMaster MK125 is designed for off-road use only and is not street legal. It is intended for use on private property, trails, and designated off-road riding areas. Always check your local regulations regarding off-road vehicle use before riding.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"TrailMaster Powersports","offers":[{"title":"Red","offer_id":55951843033393,"sku":"TrailMaster MK125 Dirt Bike","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":55951843066161,"sku":"TrailMaster MK125 Dirt Bike","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":55951843098929,"sku":"TrailMaster MK125 Dirt Bike","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/12_Ages_12_and_up_-_GoKarts_USA_-1809848.jpg?v=1787763289","url":"https:\/\/omahasportsandgames.com\/products\/trailmaster-mk125-125cc-dirt-bike-4-speed-manual-dual-disc-brakes-electric-start","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}