That may be a problem because it is most likely is a gear drive saw with a spur.For a good machinist,a spur is not difficult to make,just time consuming.I'm a fair machine hand and it takes me about 4 hours.putt1 said:Thanks for the welcome, i'm an engine nut, and old saws are a passion right now. My current saws are a couple of Strunk saws, a Machete Speedemon and an All Position Speedemon. The chain is a 1/2 " pitch.