150cc Cylinder Kit GY6 GY7 GY6B QJ Quingiang QJ157QMJ, Chinese Scooter

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Product details

Management number	15887255	Release Date	2025/10/04	List Price	$59.37	Model Number	15887255
Category	Other Automotive Motorcycle & powersports

ITEM DESCRIPTION: 150cc Cylinder Kit with 57.4mm bore, 15mm wrist pin & 54mm stud spacing. For the "QJ" Engine (stamped QJ157QMJ or QJ158QMJ). Notice the unusual "wavy" fin design. See below for more info.

NOTE: This can be used as a big bore kit for the 125cc QJ153QMI engine, however, you will need to check your case opening to be sure it's at least 60.9mm diameter (if not, the cases will need to be bored out to accept the larger cylinder)

NOTE: This engine is a variation of the GY6 engine (also available in 150cc). Most parts are not interchangeable with the
standard GY6 engine.

NOTE: It may be that the QJ engine is only found on scooters (although I am unable to confirm this). If you have an ATV, check very carefully to confirm fitment (also best to contact me before ordering).