172cc BIG BORE KIT (61mm BORE) #1 FOR SCOOTER ATV UTV WITH 150cc GY6 MOTORS

Description

172cc BIG BORE KIT FOR CHINESE SCOOTERS
61mm BORE
54mm SPACING (A-BLOCK)
PISTON DIAMETER: 61mm
PISTON PIN DIAMETER: 15mm
PISTON PIN LENGTH: 42.5mm
OVERALL HEIGHT: 60mm
INTAKE PORT DIAMETER: 24mm
EXHAUST PORT DIAMETER: 24mm
*WILL REQUIRE BORING THE BLOCK ON MOST MODELS*
YOU NEED 64.5mm ID INSIDE THE CRANKCASE
IF YOU DON'T HAVE THAT MUCH CLEARANCE
SEE EBAY ITEM NUMBER
173149321043
ONLY NEED 63mm
*YOU WILL NEED TO RE-JET YOUR OLD CARBURETOR*
*WE SUGEST GETTING A LARGER
26mm or 30mm CVK CARBURETOR*
WITH
ACCELERATOR
PUMP AND
RE-JET TO SUIT
JONWAY, JMSTAR, ROKETA, SUNL, TANK,
PEACE, TAOTAO, GATOR
AND MANY OTHERS
SHIPS FROM SHELBY, NC