Extensive Brand & Model Compatibility -- This 110cc engine is a direct bolt-on replacement for a vast range of China-made ATVs and Go-Karts from brands like TaoTao, Coolster, Kayo, Roketa, and many more. The standardized mounting holes ensure a perfect fit for most 50cc to 110cc models, simplifying your upgrade or replacement project. Tangible Power & Performance Upgrade -- Unlock a significant performance boost with 6.71 HP at 8000 RPM and a strong torque of 6.9 N.m at 6500 RPM. Replacing your older 50cc or 70cc engine with this 107ml displacement power plant delivers more speed and power for a thrilling ride. Engineered Reliability with Key Specs -- Built as a durable 4-stroke, single-cylinder, air-cooled engine, it is designed for stable and reliable operation. Key specifications like a 9.0:1 compression ratio (compatible with 87# fuel) and a low minimum fuel consumption of 367g/Kw.h ensure efficient and dependable performance. Easy Installation & Modern Electric Start -- The assembly comes with essential components like the intake pipe and spark plug (A7TC model) to get you started. It features a convenient electric starter and an automatic, stepless variable transmission for a user-friendly experience without the hassle of manual shifting. Precision OEM Replacement -- Engineered to meet original standards, this engine carries the exact OEM number 308-999003. With a bore & stroke of 52.4mm x 49.5mm and a specified lubrication capacity of 900ml, it guarantees a perfect match for the original vehicle's design and performance characteristics.

Fitment

Compatible Models: For Blade, Kinroad, Roketa, KPX, SUNL, Aimex, Alpha sports, BMS, BMX, Cool Sports, Baja, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, KMD, Kymco, Lance, Linhai, NST, Redcat, Roketa, Tank, X-Treme, Yamati, Coolster, Terminator, Lynx etc.

Specification

Engine Model: 308-999003

Engine Type: Single Cylinder, 4-Stroke, 2-Valve

Cooling System: Air Cooled

Horsepower: 6.71HP/8000Rpm (5.0KW/8000Rpm)

Max Torque: 6.9N.m/6500rpm

Min Stable Idle Speed: 1500±150r/min

Min Fuel Consumption: 9.65oz/HP.h(367g/Kw.h)

Carburetor Model: PZ19

Carburetor Type: Plunger type   carburetor

Spark Plug Model: A7TC

Fuel No.: ≥ 87#

Lubrication Model: SF15W/40-SE

Lubrication Capacity: 0.20 Gallon (900ml)

Ignition Method: CDI

Lubrication: Pressure/splash

Fuel Supply: Carburetor Atomization

Starter: Electric Starter

Transmission: Auto Transmission

Clutch: Automatic Multi-plate Wet Clutch

Cylinder Diameter: 2.06" (52.4mm)

Piston Stroke: 1.95" (49.5mm)

Bore & Stroke: 2.06" x 1.95" (52.4mm x 49.5mm)

Cylinder Working Volume: 0.02 Gallon (107ml)

Compression Ratio: 9.0:1

Ignition Type: CFW

Package Includes

1 x Single Cylinder Engine

Note:

1. It is forward only.

2. This item is chain driven.

3. This engine motor is Stepless Variable Speed , Automatic gear, no forward/neutral/reverse gear.

4. Please do not buy if your engine with starter bottom mounted since the mounting holes are not same.