PK80+ 80CC, PK90+ 90CC, PK100+ 100CC Bicycle Engine Kits, 8mm Mount, Upgraded Magneto

The Plus Line of the PK Bicycle Engine Kits feature the Upgraded Magneto and Magnet. Your choice of 80cc, 90cc or 100cc. 36 tooth rear sprocket is standard but 44 tooth, 32 tooth and 6 hole versions may be available upon request    Include the Premium Performance Red BoFeng Speed Carburetor. With O Ring Seal and Revised Clamp Holds tight and does not allow leakage.   Enlarge Fuel Connector for Sure Fit   Quick Drain Reservoir for easy storage.   This performance kit includes ALL of the following: ZL 40mm Rod Stamp or YD100 Rod Stamp G4 Cylinder Factory Ported with Open Transfer PortsStainless steel Allen boltsEnhanced balanced crankUpgraded bearings + 60% thicker crankcase around bearingsLarge intake port (40mm bolt hole width)Round exhaust port40mm crank stroke (more powerful, efficient, and reliable)Type B piston (high wrist pin)Long rod (89mm)Larger 8mm x 1.25 engine mount studsMounting Kit & AccessoriesFuel tank w/fuel cap, fuel valve, fuel filter, and fuel line415 Heavy du