Zeda 80 Performance 2 Stroke Bicycle Engine Kit With Dio Reed Valve & OKO Carb - Silver

Take 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, with your choice of a K&N style air filter or velocity stack.

Want to get the most power and performance? Pair this complete performance kit with a Zeda88 performance pipe !

Already have a stock motorized 2 stroke engine? Pick up a Dio Upgrade Kit for just $99.99

Find out more about the velocity stacks HERE. Recommended for racing use only as they offer no filtration.

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 – Requires Mag Wheel Adapter Kit for use with Zeda Screaming Demon V2
• Latest version CDI unit
• Spark Plug socket tool and gear removal tool
• All mounting hardware and gaskets

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

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