SD_455
Guest
If you did not remove the gear that is pinned to the shaft you should be able to time it by going to the next tooth or 180 degrees away. I believe the timing gears have odd number of teeth. I had one set all the way back in like you have before I found out I had it out of time, it would run but hit the blades enough that it sheared the groove pin. I don't think you will be able to jump a tooth without taking the snapping rolls out of the head. I have had the pleasure of taking both drives out to replace the double sprocket shaft on both sides. I bought a black head (A430)to fit my F2 last week. I might end up trading for a l3 if I do I hope I can get my money out of the A430. The black series does look like a lot better designed head other than the galvanized metal is thinner. Good luck.