gas HELP!

[killerofcrows48]

in my manuel it says to run 92 or higher octane(it says it will hurt the engine if you dont)...i was wondering is this true?

[killerofcrows48]

my 400ex is stock

[underpowered]

run what your manual say. they tell you to run that for a reason.

i dont think it would matter but who knows

I have a stock enigne on my 450R and I run super unleaded which is 97 octane... but just regualer gas dont hurt it