Review on 🔧 CDHPOWER 80cc/66cc Windowed Piston Set - Gas Motorized Bicycle Engine Upgrade by John Banks

Name: 🔧 CDHPOWER 80cc/66cc Windowed Piston Set - Gas Motorized Bicycle Engine Upgrade
Item: 🔧 CDHPOWER 80cc/66cc Windowed Piston Set - Gas Motorized Bicycle Engine Upgrade
Rating: 5

September 08, 2022

The window piston works by itself, it requires a reed valve assembly to compress properly.

Piston with sight glass fits perfectly, easily installed with a little "sanding" on the machined edges of the piston before final installation. The piston installed in the engine does not work! It wasn't until I added the reed valve assembly that the Roar engine came alive with more power! The fenestrated piston and diaphragm assembly is a notable upgrade! Done right, you'll notice more power, improved performance, cooler operation, and longer lifespan.

Pros

Handy part

Cons

Reliability

New products

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