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Fitment:for 66cc 80cc 2 Stroke Engine Motorized Bicycle.
Package include:1xCylinder+1xCylinder Head+1xCarburetor+1 set Gasket(7pcs)+2xPiston Ring+1xPin+1xCarb Offset Intake Manifold+1xPiston.
Size:piston & Ring OD:47mm(1.85inch);Cylinder OD:47mm(1.85inch) 32mm Offset Intake Manifold with Gasket;10mm OD Wrist Pin Circlips.
Replacement for original part.Please measure the height of the original piston hole to make sure it fits.
David r.
Reviewed in the United States on January 13, 2025
I don’t like it at all piston hits top of the head
TheRealFBAMachine
Reviewed in the United States on July 5, 2024
I PUT TOGETHER THE ENGINE AND THE PISTON HITS THE TOP OF THE HEAD. ITS TOO LONG. AND IT CAME WITH THE CYLINDER AND PISTON WITH RINGS AND HEAD. ALSO HEAD GASKETS...I EVEN ADDED TWO HEAD GASKETS JUST TO LIFT THE HEAD UP HIGHER TO SEE IF MAYBE ITLL CLEAR. AND NOPE. THE PISTON JUST HITS THE TOP. AND WHEN I TIGHTEN THE FOUR BOLTS IT JUST WILL NOT MOVE UP AND DOWN. HOW ABOUT I GET A PISTON THATLL FIT AND WILL NOT HIT THE TOP OF THE HEAD. ???????
stnwerks
Reviewed in the United States on February 16, 2024
Everything in this kit seems to be good except for the cylinder. This one has a groove cut in the intake side from top to bottom. Does not pass the fingernail test and the groove is deepest at the top where compression happens. So good if you don't need a cylinder. Bad if you do.
dawnn
Reviewed in the United States on April 21, 2024
This came with everything needed to install. This was used to convert a fat tire mountain bike. It is made with durable materials and the fit was perfect with the other parts to build the motorized bike. It was easy to assemble and install. It functions perfectly and I am very satisfied with it performance. The gaskets were perfect and sealed well. It is efficient and the completed motor runs smoothly and rather quietly. Great buy for the use I needed!
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