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