349Take your 2 stroke motorized biking to the next level with this performance package that will yield tons of torque and increased speed - now with open transfer ports! This complete Dio performance kit includes a 66/80cc engine with modified Dio cylinder, Dio reed valve, OKO carb, stock exhaust pipe, and now includes a windowed piston! Plus all the mounting hardware and accessories.
This performance kit includes ALL of the following:
Zeda 80 2-Stroke Engine:
- Zeda80 2.95 HP 2 stroke engine (Actual U.S. displacement 69.4cc (40mm stroke))
- Enhanced balanced crank
- Upgraded bearings + 60% thicker crank case around bearings
- Stuffed crankcase
- 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)
- Stainless steel allen bolts
- Larger 8mm x 1.25 engine mount studs
Mounting Kit & Accessories
- Fuel tank w/fuel cap, fuel valve, fuel filter, and fuel line
- Chain Guard, 415 Heavy duty Chain, and ball bearing chain idler
- Standard chrome muffler
- Twist grip throttle assembly w/gooseneck style throttle cable
- New quick release clutch handle
- Large front mount for bicycles that have large down tubes
- Standard 44 tooth rear sprocket and adapter kit
- Latest version CDI unit
- Spark Plug socket tool and gear removal tool
- All mounting hardware and gaskets
Complete Performance Upgrade Kit:
- Modified Dio open transfer port cylinder with windowed piston
- 21mm OKO flat side carb (includes 3 jet sizes: 0.38mm (pre-installed), 0.39mm, and 0.41mm)
- 6 flap Dio reed valve
- K&N style cone air filter or velocity stack
Some assembly required. Light porting may be required to achieve full performance potential.
Fuel/Oil Ratio
- New Engine (<310 miles): 20:1
- After Break In: 30:1