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Your cart is empty. Fitment:For 100cc Motorized Bicycle Bike.
Package include:1 x 100cc Engine Motor Piston Pin Set
Easy To Install and Convenient To Use
Safe transportation with reliable package, deserving your trust.
AZautoclinic
2025-08-24 14:00:14
I would really like to buy just those spacers. But the spacers remove the side play of your rist pin bearing. These are found in high end motorcycle engines like you Yamaha and Kawasaki! Really with a steel sleeve cylinder, your engine will last thousands of miles!!
Christopher Francois
2025-08-05 15:32:49
Sorry to inform yall but it didn't fit at all. It looks great and looks well built but to big. It says it's a 50mm for 100cc motor but it just doesn't size up. Idk if maybe they sent me a 52mm by mistake but that's not the one for me.
Felicia Franklin
2025-07-13 13:10:51
Part was exactly as described and exactly what i needed for my motorized bike
Jamie S.
2025-04-23 09:46:39
This was a bit of an impulse buy I havnt installed yet because im not decided if im using the single piece jug that came on the motor or converting over to the ld100 2 piece i got same time i ordered this piston only gripe is i didnt happen to see in listing if it was a high or low hole piston i guess that twill decide which setup i use or most likely the fact some of these engines have different connecting rod lengths will more than likely decide if i will or will not be able to use it on this build
William Bryan Davis
2025-03-29 17:46:00
Rings have holes thru the width of part from casting process eminent failure anticipated if I use this product. Not very happy at all now somebody needs to send me new rings.
chris
2025-03-09 18:56:26
This is great. They give you two spacers for the roller bearing to keep the piston rod in the center of the piston. Packaging was incredible. And everything looks well constructed and Shining it's nice
John Dubois
2024-11-14 14:06:48
These Pistons are for upgrading nothing it's a 50 mm bore it will not fit on a 80 / 100 cc engine it fits the bore of the cylinder perfectly but the 80/100cc engines have a 12 mm wrist pan these Pistons have a 10 mm wrist pin do not buy this for your 80/100cc engine known as yd 100 unless you want to get pissed off
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