232cc big bore kit and 4V Cygnus style head for GY6 Engines.
This complete power kit comes with a 67mm cylinder kit and matching crankcase with all of the oil seals installed. This means there is no machining of the crankcase required. The crankcase is also pre-drilled and tapped for an oil cooler, which is a necessity on street ridden bikes. For drag racing, the included oil bypass fitting may be installed.
Includes the following:
Complete 4-Valve Cygnus style cylinder head assembly with 25mm intake valves and 22mm exhaust valves
67mm ceramic coated cylinder and high compression forged piston
Right and left engine cases with oil seals installed
250 degree camshaft, cam gear, cam chain and roller rockers
Anodized head and cam covers
8.2mm stroker crank
32mm Exhaust
Gaskets, cylinder studs, and associated hardware
The manufacturer suggests up to 25hp at 10,800 RPM is possible with this kit.
Some recommended additions (not included with kit) are: a high torque starter and starter clutch, an oil cooler kit for street riding, a high quality (such as Bando) 842-20-30 belt, 34mm PWK carburetor, quick throttle, 15/38 rear gears, and a performance clutch and variator kit. Please see related items.
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