New Zeda 100 Complete 50mm Bore 2 Stroke Bicycle Engine Kit - 80cc/100cc - Firestorm Edition

The Zeda100 (YD100) Complete 80cc/100cc Firestorm Engine Kit is back in stock! Get this new and exclusive model that includes a 50mm bore single piece cylinder, an upgraded CDI, the new performance Speed carb, and more.

This engine blows all others out of the water and will sell out quick. It has a ton of torque and delivers more performance than any kit we've ever sold. Get your Zeda 100 motor today and leave all your buddies in the dust! This engine kits includes everything you need to get your bike up and running - stock is limited, order yours while they last.

• 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
• High performance CDI with Yamaha components
• Improved magneto
• High end allen bolts
• Improved gas cap

This bike engine kit includes all of the necessary items to turn your pedal bicycle into a motorized monster! Supply is very limited, so get yours while they last.

• Firestorm Zeda100 3+ HP 2 stroke engine engine with one piece cylinder/head
• 50mm Bore, 40mm Stroke - Actual U.S. engine displacement 78.6cc
• Pearl coating protects against corrosion
• High performance Speed carb
• 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 - 21 mm diameter
• 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
• Dimensions: 9" x 9" x 5"

• High performance CDI with Yamaha components
• Black teardrop gas tank (2L) w/ new fuel cap, fuel valve, fuel filter, and fuel line
• 415 Heavy duty chain with chain guard
• Ball bearing chain tensioner
• New chrome muffler (longer angle for pedal clearance)
• Throttle assembly w/gooseneck style throttle cable
• Twist throttle and cable with matching grip and kill switch
• New quick release clutch handle
• Large front mount for bicycles that have large down tubes
• Available with 36, 44, or 48 tooth rear sprocket & wheel adapter
• Spark plug socket tool and gear removal tool

Fuel/Oil Ratio

• New Engine (<310 miles): 20:1
• After Break In: 30:1

Installation similar to: FireStorm Zeda 80 Installation Instructions | Cylinder Assembly Instructions | Cylinder Assembly Video
Troubleshooting: 2-Stroke Troubleshooting Guide