TrailMaster MK125E Dirt Bike | 125cc Electric Start JHL Pro (EFI)

Engineered for the modern rider, the TrailMaster MK125E Dirt Bike | 125cc Electric Start JHL Pro (EFI) sets a new standard for mid-size off-road performance. This "Pro-Series" machine is the result of a premium collaboration between TrailMaster and JHL Offroad, featuring a high-performance Zongshen 125cc engine equipped with a state-of-the-art Bosch Electronic Fuel Injection (EFI) system.

Unlike traditional carbureted models, the EFI system ensures effortless starting in all weather conditions, crisp throttle response, and consistent power delivery at any altitude. With a manageable 29.5-inch seat height and a lightweight frame of just 149 lbs, the MK125E is perfectly sized for teen riders and adults looking for a nimble, powerful trail companion.

• Advanced EFI Power: At the heart of the MK125E is a reliable Zongshen 4-stroke engine with Bosch Fuel Injection, delivering 6.3 HP and 8.8 Nm of torque. This technology maximizes fuel efficiency and eliminates the hassle of carburetor tuning.
• Precision Suspension: Conquer rough terrain with confidence using the premium suspension package, featuring massive inverted front shock absorbers (43/45mm) and a performance-tuned nitrogen air-gas rear mono shock.
• Superior Control & Braking: Built for aggressive riding, the bike features front and rear disc brakes for immediate stopping power. It rolls on durable steel rims with high-quality alloy hubs, wrapped in aggressive knobby tires (14" front / 12" rear) for maximum traction.
• Pro-Series Components: This model comes loaded with aftermarket-style upgrades right out of the box, including a stainless steel performance muffler, alloy foldable clutch and brake levers, and a newly designed high-strength steel frame.
• Versatile Starting: Enjoy the convenience of electric start with the backup security of a kick starter, ensuring you’re always ready to ride.

General Information

Engine and Power

• Engine Type: Zongshen Single-cylinder, Four-stroke, Air-cooled
• Fuel System: Bosch Electronic Fuel Injection (EFI)
• Displacement: 123.67 cc
• Max Power: 6.3 HP @ 7500 RPM
• Max Torque: 8.8 N.m @ 5500 RPM
• Compression Ratio: 9.0:1
• Transmission: 4-Speed Manual (N-1-2-3-4)
• Start Type: Electric Start & Kick Start
• Ignition: Electronic CDI / EFI Control

Dimensions and Weight

• Overall Size (LxWxH): 63.82 x 27.58 x 42.9 inches
• Wheelbase: 45.31 inches
• Seat Height: 29.55 inches
• Ground Clearance: 10.24 inches
• Net Weight: 149.6 lbs
• Fuel Capacity: 0.92 Gal

Frame and Suspension

• Frame: High Quality Steel Frame
• Front Suspension: Inverted Fork Shock Absorber (43mm/45mm)
• Rear Suspension: Nitrogen Air-Gas Mono Shock
• Swingarm: High Strength Steel

Brakes and Wheels

• Front Wheel: 60/100-14 (Steel Rim / Alloy Hub)
• Rear Wheel: 80/100-12 (Steel Rim / Alloy Hub)
• Front Brake: Hydraulic Disc Brake
• Rear Brake: Hydraulic Disc Brake

Additional Features

• Exhaust: Performance Stainless Steel Muffler
• Handle Levers: Alloy Foldable Levers
• Lighting: None (Number Plate Only)

Things To Know:

• Thank you for considering GoPowerSports as your source for quality outdoor power sports needs. We take pride in our commitment to providing excellent customer service and support. We aim to ensure complete satisfaction with your purchase and encourage you to review our warranty policies carefully. If you have any questions, please feel free to contact us via email at sales@gopowersports.com or by calling 1-866-846-5278.
• We highly recommend that you have a professional mechanic or an authorized dealer of the manufacturer perform the initial assembly and preparation of the vehicle.
• We want you to know that basic repair and setup skills are necessary for buyers, such as using tools, replacing nuts and bolts, filters, light bulbs, fluids, and making adjustments. If you lack these skills, we suggest seeking the assistance of a mechanic. Our tech support hotline is always available to help you.
• These vehicles ship with break-in oil.  Must check oil levels before initial start up and fill with quality oil if low.
• Check over all Nuts and Bolts to ensure they are fastened before and after initial ride.
• This vehicle is meant for recreational use only.

Warranty:

• The limited warranty covers specific parts only, including the engine, engine case, drive system, fuel system, electrical system, cooling system, brakes, chassis, and transmission. Please note that the warranty does not cover any damage caused by improper use, such as jumping, stunt riding, modification, racing, or riding at constant wide-open throttle.
• Please be aware that the following parts are NOT covered by the warranty: tires, rims, body panels, forks, shocks, gaskets, light bulbs, seats, CV boots, oil filters, air filters, fuel filters, clutch wear parts, cables, drive belts, chains, spark plugs, rubber parts, belts, brake linings and/or pads, batteries, sprockets, external springs, clips, nuts, bolts, and fasteners.
• Our warranty does not cover damages caused by improper assembly, maintenance, or usage that falls outside of the manufacturer's specifications.
• Also, please note that no returns are accepted on this unit.

Shipping:

• If you purchase a TrailMaster Unit, please know that it only ships to the lower 48 states.  Contact us if you would like a quote for shipping to Hawaii or Alaska.
• If unit is shipped to California, then it can only be used on Private Land if the engine is not EPA or CARB compliant.
• Please allow 3-5 business days for your unit to ship. Once shipped, a tracking number will be emailed to you. The shipping company will contact you to confirm delivery.
• Your order will ship in a crate and you will be responsible for handling the crate whether it is delivered residential, local Carrier Terminal, or business dock.  This may require a forklift.

Backup Color Choice:

• Due to high demand, our inventory levels can change quickly. By providing a backup color choice, you help us ensure your order can be shipped without any delays.

Assembly:

• You will receive this unit partially assembled in crate.  You will need to attach the front tire, handlebars, rear shocks, and few other adjustments.