i say you will be really hurting the power delivery of your bike by using those huge heavy-ass tires....get some turf tamers or something 20"...for gods sake. those belong on a ytm or better yet a sportsman 800. i think you will be surprised at how much power loss you are losing having the motor push those heavy mud tires those machines arent meant to run them...
1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...