Fuel octane
 

Hi..
just wondering what octane fuel is best for
the XT660...are you useing..
over here we have 91 & 96.. both unleaded..
I have been useing 91.. I will try 96
see if theres a noticable diffrents...

Pete

Hi Pete

I have a Pegaso Trail with the same motor. I find the bike runs better on 91 than 95. It seems to run best on Mobil 91 with 3% ethanol. BTW I fitted a K&N air filter, a Power Commander and run a custom map. The PC made a big difference (well worth it), the custom map is a little bit better, but prob not worth the $300.

Cheers

My Z feels to pull more cleanly lower down on 98/99RON.

This thread started by Kev may be of interest...

http://www.xt660.com/showthread.php?t=14216