20% Off All Accessories!

This offer is valid October 22th, 2017 through October 29nd at 2:00am EST.
  • Applicable to new orders only.
  • No coupon code required. Savings are automatically applied to the purchase price.
  • Discount does not include shipping charges.
  • Excludes used and "Scratch and Dent" Items. Other exclusions may apply.
  • 150cc Short Case 4-Stroke GY6 157QMJ Scooter Engine Kit with Automatic CVT
    Item: E05-621
    150cc Short Case 4-Stroke GY6 157QMJ Scooter Engine Kit with Automatic CVT
    All Images © 2017 Monster Scooter Parts
    $ 449 99
    No longer available.
    Product Features

    This 150cc scooter engine is compatible with rear wheel assemblies with 11 inch or smaller diameter rims. This 150cc scooter engine is for vehicles that use rear drum brakes.

    We do not sell disc brake compatible engines at this time.

    Complete 150cc short case 4-stroke GY6 157QMJ gas scooter engine with automatic CVT transmission. CVT belt size is 743-20-30. This is not just a complete scooter engine, but also a kit that includes the critical scooter parts of carburetor, CDI, ignition coil, rectifier, and starter relay. This 150cc engine is an OEM item on many Chinese scooters.

    This complete, brand new replacement 150cc short case 4-stroke GY6 157QMJ Chinese built engine is the perfect time and money saver. Instead of spending money for costly repairs to a tired 150cc 4-stroke GY6 or waiting for the repair shop, simply swap in this high quality 150cc 4-stroke GY6 157QMJ gas scooter engine.

    This complete engine includes electric starter, kick start, and CVT with black CVT cover as pictured.

    This 150cc scooter engine is used in a wide variety of applications with 11 inch and smaller diameter wheel rims, including full size scooters, and go karts. Compatible with both 125cc and 150cc engine size scooters and vehicles.

    There are many different versions of 150cc GY6 style 4-stroke engines used in the Chinese scooter market. Please be sure to check the detailed specifications and dimensions on our specifications page (tab titled "Specs") prior to ordering.

    Please use these dimensions to verify that this engine will fit your scooter prior to ordering!
    Style: Short case
    Engine Type: Single Cylinder 4-Stroke
    Cooling: Air Cooled
    Displacement: 149.6cc
    Cylinder: 57.4 mm
    Piston Displacement: 57.8 mm
    Max Power: 5.6 kw/7500 rpm
    Max Torque: 7.6 N.m/6000 rpm
    Min Unload Stable Rotation: 1700 rpm +/- 100 rpm
    Engine Mounts:
    12.5 cm (4-15/16 inches) clear between mounts
    Output Shaft Length: 11.5 cm (4-1/2 inches)
    Output Shaft to Crank Shaft Distance:
    31 cm (12-3/16 inches)
    CVT Drive Belt: 743-20-30
    CVT Length: 23.5 cm (9-1/4 inches) shaft to shaft
    Starting: Electric and kick
    Weight: 60 lbs