Because of the power I got out of my bicycle engine got from installing it in a 100cc 50 mm bore engine 2 stroke has much torque and has heat top end speed love it thanks stihl 50 mm bore 044ms440 piston for chainsaws work in 50 mm bore 100 cc bicycle engines great love it very much my bike is so much better now
Verified purchase: Yes | Condition: New
Precision made part. Didn't work for me because cylinder was previously scored .
Verified purchase: Yes | Condition: New
Have run the saw for about 3 working hours by now, and no problems. Runs like new.
Verified purchase: Yes | Condition: New
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