150cc 4-stroke Engine (ENG-15A) | Automatic Engine with Reverse | Coolster

Fits with: 3150CXC. Compatible with many Chinese 150cc ATVs that utilize the GY6 engine.

Specifications:

• Engine type: Single cylinder, 4-stroke, air-cooled
• Transmission type: Automatic with reverse
• Displacement: 150cc
• Max Torque: 7.0N.m/6500rpm
• Max Horsepower: 6.0kW/8000rpm (10 HP)
• Max Speed: 55 mph
• Ignition: CDI
• Bore Stroke: 57.4×57.8mm
• Starting System: Electric
• Fuel Capacity/Oil Type: 90#/0.9L
• Battery: 12V, 9Ah

Looking for an automatic 4-stroke engine to power your next ATV build or upgrade? The 150cc 4-stroke engine (ENG-15A) is a versatile engine compatible with many Chinese-made 150cc ATVs utilizing the tried-and-true GY6 design.

Pumping out a peak of 10 horsepower at 8000 RPM, this single-cylinder, air-cooled engine has the torque and top-end capability to hit a max speed of 55 mph in most lightweight ATV applications.

An automatic CVT transmission with reverse gearing ensures smooth, reliable performance for trail riding or utility use.

The 150 cc motor displacement strikes a nice balance between power and efficiency, while the electric start fires the engine to life with the turn of a key.

There’s no fussy choke or excessive cold-start emissions to worry about thanks to modern CDI ignition and Euro IV compliance.

Despite the compact size, there’s ample grunt on tap with 7.0 Nm of torque available at 6500 RPM.

The 57.4 x 57.8mm bore and stroke is the same as many comparable 150cc engines, making the ENG-15A a bolt-in replacement for upgrading older Chinese ATVs.

It’s a proven and reliable platform that’s easy to service and find parts for.

With a large 1.7 gallon fuel tank, tool-less air filter access, and oversized cooling fins, this engine is built for spending long days on the trails.

Routine maintenance is straight-forward with the included toolkit. For your next ATV project or engine swap, check out the ENG-15A 150cc ATV engine from Coolster!