Even though the mobile oil has a fairly low pour point it has a miscibility rating of 2. Snowmobile oils should be a 4, or at least a 3. In other words it may be to thick for reliable consistent pump metering at real low temps. Also when the sled gets 1st cold start the residual oil in the case may not get swept up as easily as the thin oil. It is good oil though and nothing say you couldn't pour some on the fuel on a sled.