【FULL UPGRADE KIT】- This 100CC bicycle engine kit includes all the parts and accessories needed to convert an ordinary bicycle into a gasoline-powered motorcycle. The electric bike conversion kit upgrade includes: 44-tooth sprocket, Red Speed carburetor and upgraded CDI. 【UPGRADED TUNABLE HIGH PERFORMANCE CARBURETOR】- The bicycle motor kit 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. 【HIGH EFFICIENCY ENGINE】- The motorized bike kit is 50mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range). 【PRODUCT PARAMETERS】- The 2 stroke engine is Bore＆stoke: 50mmx40mm; Ignition Mode: CDI Ignition; Max.Power: 1.9kw/5500r/min; Compression ratio: 6﹕1; Transmission ratio: 18﹕1; Cooling: Air-cooling; Starting: Kict starting ; Shifting way: sprocket; Lubricating oil: Two-stroke machine oil; Max.speed: 48km/h; Sparking plug: Z4C 16MMM; Max.Load capacity: 180kg; Tank capacity: 2L; Fuel Type: 90#; Fuel consumption: 5L/100km; Engine type: Gasoline engine 【SAFETY UNIVERSAL SET】- The bike engine kit has 4 bolts attach the engine to your bike frame and this e bike conversion kits come are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure. It is a general-purpose ordinary bicycle upgraded to an electric bicycle. Suitable for most 26"/28" bicycles.

Specifics:

• Condition: New 
• Bore＆stoke: 50mmx40mm 
• Ignition Mode: CDI Ignition 
• Max.Power: 1.9kw/5500r/min 
• Compression ratio: 6﹕1 
• Transmission ratio: 18﹕1 
• Cooling: Air-cooling
• Starting: Kict starting 
• Shifting way: sprocket
• Lubricating oil: Two-stroke machine oil 
• Max.speed: 48km/h
• Sparking plug: Z4C 16MMM 
• Max.Load capacity: 180kg
• Tank capacity: 2L 
• Fuel Type: 90#
• Fuel consumption: 5L/100km 
• Engine type: Gasoline engine
• N.W ：11kg
• G.W：12kg
• Ctn size：47*43*17CM

Package includes:

1 x Engine

1 x CDI Assembly

1 x Fuel Tank (with Valve)

1 x Carburetor Assembly

1 x Exhaust Muffler

1 x Clutch handle

1 x Left Handle Grip

1 x Twist-grip Throttle with Kill Switch

1 x Clutch Cable

1 x Throttle Cable

1 x Chain

1 x Sprocket

1 x Chain Idler Pulley

1 x Chain Guard

1 x Set of Other Mounting Accessories