Naraku 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: