Mercury Snowmobiles Discussion Board

76 trail twister 440 for sale. Excellent original condition with newer seat cover and updated rubber track. Drives and looks very good. 1300.00 or offer

76 440 trail twister for sale. 1750 miles, has replacement rubber track and a new seat cover the rest of the machine is all original. The tunnel is polished out, the belly pan and skis were just repainted. The hood is in excellent shape with a few normal spider cracks starting. This sled has won a f...

maybe this will help. according to the service manual,the offsets are as follows:
artic drive to salisbury driven sheave-- 5/16"+1/16" from drive sheave

artic to artic driven sheave-- 7/16"+1/16" from drive sheave
I hope this helps

I have a complete mercury service manual. I could make a copy of the wiring diagram you need -let me know.