Mercury Snowmobiles Discussion Board

Anyone know how to replace a drive belt for a 250E? How much play should there be? Mine had a lot of play in it. Now's it's smoked and doesn't move. Anyone know the correct belt to use? Appreciate any help.

I have a 71 250E. The lights are dim when run. Picked up a generic service manual with 3 diagrams for manual start, electric start, and reverse. All three have a note about an AC light regulator with yellow and blue connectors but the regulator is NOT on the schematic. I've found the regulator on th...