52mm Cylinder Kit Two Sroke

CYLINDER KIT 52MM JOG-ETON 90C WORKS ON MOST 2 STROKE ATVS and MINARELLI / YAMAHA AIR COOLED JOG ENGINES GO FROM 41mm to 52mm -

90/100cc might require boring the engine casing. Easy upgrade on Eton, Dinli, and other ATVs.

BIG BORE KIT Each kit comes complete with piston, wrist pin, top bearing, clips, gaskets, hi-compression head, and cylinder.

In order to obtain 100cc the crankshaft must be changed to a 45mm stroke on some units plus rod will need to be changed.

There is no return on this item so please make sure it will fit your engine before ordering by measuring you case opening and knowing if your rod and crank will work for you.

We have only done some of these of chinese 40QMB engines which we heavily modifed for racing.