yep waste of money on a stock motor.

 

waste of money! it wont burn completely. You will need a higher compression than 10.5 to 1 on a 4 stroke for that. I have a 12 to 1 compresion on my motorcyle and it only requires 93 octane.

 

With gas prices these days, i just dont think its worth it unless ur racing

 

The higher octane will actually do more damage than anything because it being soo high octane it wont burn it all and will leave residue and grime inside your engine making for a power loss down the road and a hefty clean up job if uou ever plan on rebuilding or getting inside that baby.
i wouldnt even run the 92 stuff, id stick with 87 or 89.

 

nevermind.....dont want to get into it...........

 

A real compression ratio of 10.5:1 may benefit from high octane, however.... I'd darn near put money on it that the true comp. ratio is more like 9-9.5:1 The 10.5 is a static compression ratio & Polaris uses it as a marketing tool so everone can brag how "my quad has 10.5:1 compression stock" Heck, the Z400 & its clones have an advertised ratio of 11 or 11.5:1 and don't need race fuel, because the real ratio is more like 10:1 or 10.5:1 and that 11.5 is the static ratio. So, why would the Predator need anything over 90 octane?? It wouldn't.

 

ok thanks

Bob