Naraku 42mm Performance Cylinder Kit for SYM cvk Installing a fresh belt onto

Installing a fresh belt onto glazed or dirty pulleys will cause premature slippage and rapid wear

Fits GY6 157QMJ-based 125cc–200cc engines with the following engine codes:

SYM 125 and 150

XR 100 R (85-03 F&R)

Dual outlet barbs and vacuum port — matches OEM plumbing layout

Naraku 42mm Performance Cylinder Kit for SYM cvk Installing a fresh belt ontoNaraku 50cc SYM and Peugeot 4 stroke 42mm Big Bore Cylinder Kit. Kit includes cylinder, piston, rings, piston pin, cir clips, head gasket, base gasket, exhaust gasket and cam chain tensioner gasket. This is a drop in cylinder kit, no crank case modifications required! When used in conjunction with a stock stroke of 46mm the total displacement comes out to 63. 7cc. Fits the following 4 stroke models: SYM Mio 50 SYM Fiddle II 50 SYM Orbit II 50 SYM Jet4