Mercury Snowmobiles Discussion Board

Stamped on the top by the fill - 150 ml of 10w 30 or gear oil I think.

On the small engine I believe that the the whole assembly / case is considered to be the "crankcase" - the oil to be drained / changed is the gear oil - back left hand side ais the fill / dipstick and drain bolt under. Its a 2 stroke so there is no oil in the base.

Glad to hear that it fit .... someone is selling this idea on ebay i.e. shorter track to fit the sport .....

Would probably fit but is somewhere close to 8 or 9 inches shorter ... other option is to look for a (donor) set of rails from another suspension and a used Arctic Cat track (firecat track is 120" x 13.5" I think) and cut it down. I used a new track from AD Boivin (108" x 11.5" x...