U-MOTO YD100 100cc Bicycle Engine Kit for 2 Stroke Motorized Bike Complete Set

T-100 (YD100) 80cc/100cc You've got the Power!! 50mm bore single piece cylinder, an upgraded CDI, Performance Speed Carburetor and more. New Features Include: 50mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range) High performance Speed carb Silver anti-corrosion coating Improved magneto High end allen bolts Improved gas cap This bike engine YD100 T-100 Complete Engine Includes: U-MOTO T100 3+ HP Engine with one piece cylinder/head 50mm Bore, 40mm Stroke - Actual U.S. engine displacement 79CC Pearl coating protects against corrosion Angled LD Z8C spark plug Improved magneto Stainless steel allen bolts Better balanced crank Upgraded bearings / 60% thicker crank case around bearings Stuffed crank case Large intake port (40mm bolt hole width) Round exhaust port 40mm crank stroke (more powerful, efficient, and reliable) Type B piston (high wrist pin) Long rod (89mm) Larger 8mm x 1.25 engine mount studs Mounting Kit Includes high performance power expansion chamber pipe. This item is the engine an pipe only. Other parts sold separately.