Larry B
Pinnacle OPE Member
- Local time
- 11:24 AM
- User ID
- 3952
- Joined
- Sep 2, 2017
- Messages
- 619
- Reaction score
- 1,808
- Location
- SW ohio
Hello my name is Larry and I am an addict. Addicted to things with small gas engines on them. I run a small mower shop and found the Stihl clone kits while looking for a AM top end for a customers 660. I really don't need a 660 type saw but hey, I just couldn't pass it up. So I got a clone kit and also a Hyway 56mm BB kit. I put the Farmertec 54MM on the customer saw and works fine but with the BB kit on the clone the compression is so high you can't pull it through at all unless the compression release is pushed in and then it is still harder to pull than a stock 660 without using the compression release. Squish with supplied Hyway gasket at .020. Just to try something I used 2 base gaskets and squish is about .038 and it is still stupid hard to pull. When it does fire using the CR it kicks back and rips the handle out of your fingers. Trust me on that. Timing is stock and using Stihl MotoMix. I cleaned up the ports on the cylinder but didn't change any timing. Hoping some of the experts here can enlighten me to what I am doing wrong. Waiting on the brown truck to bring my new compression tester. My old one from the 70's finally died. When I get it I can post what the compression is. Thanks for any help you guys can give.