Answer this question…there isn't a specific mix but you don't want to much because it can cause the spark plugs to foul out. if you do put any in put a little bit .also always run your snowmobiles on premium fuel
their really is not a specific fuel octane mix. if you just run premium in it, it will be fine, but if you do put octane in, just put a little bit in it. because it could make your fuel too rich and foul out your spark plugs.
Regular 87 octane.
Yes you can use 87 octane unleaded in a 1977 Yamaha XS750, that fuel was the good octane in those days
92 octane is recommended
answer 87 octane
The manual recommended fuel for a Yamaha Raptor 660 is regular unleaded gasoline. Higher octane unleaded gas will likely improve performance.
87 octane regular
89 octane
87 octane unleaded
87 octane
According to my service manual, 87 Octane (Regular Unleaded) is recommended.
" regular " unleaded , 87 octane