HaroldDol 100CC 2-Stroke Bicycle Engine Kit - Low Fuel Consumption Motorized Bike Conversion Set for 26" & 28" Bikes with 44T Sprocket - Perfect for Commuting, Off-Road Adventures & DIY Bike Projects

Description:1.50mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range)2.Upgraded Tunable High Performance Carburetor. Features: Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle , Idle RPM Screw, Idle Air Screw that delivers more fuel with the choke on, instead of restricting air. Great for cold weather starts!3.4 bolts attach the engine to your bike frame and this kit comes are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure.Specifics:Bore＆stoke:50mmx40mmIgnition Mode:CDI IgnitionMax.Power:3.2kw/5500r/minCompression ratio:6﹕1Transmission ratio:18﹕1Cooling:Air-coolingStarting:Kict startingShifting way:sprocketMax.speed:48km/hSparking plug:Z4C 16MMMTank capacity:2LFuel Type:90Fuel consumption:5L/100kmEngine type:petrol engineCtn size：47*43*17CMPackage includes:1 x Engine1 x CDI Assembly1 x Fuel Tank (with Valve)1 x Carburetor Assembly1 x Exhaust Muffler1 x Clutch handle1 x Left Handle Grip1 x Twist-grip Throttle with Kill Switch1 x Clutch Cable1 x Throttle Cable1 x Chain1 x Sprocket1 x Chain Idler Pulley1 x Chain Guard1 x Set of Other Mounting Accessories

【Wide applicability】-Suitable for most 26 /28bikes.

【Easy to start 】-50mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range)

【Upgraded Tunable High Performance Carburetor】-Upgraded Tunable High Performance Carburetor. Features: Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle, Idle RPM Screw, Idle Air Screw delivers more fuel with the choke on, instead of restricting air. Great for cold weather starts

【Safe and reliable 】-4 bolts attach the engine to your bike frame and this kit comes are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure.

【Low fuel consumption】-Low fuel consumption, 150 miles per gallon, very energy efficient and economical