I live in the US so I don't really know what they do in AUS. The only thing I know about AUS I learned from Crocodile Dundee and Mad Max.

I "think" you right on track using 98 RON in you quad.
In the US we use a different system. We use a (RON+MON)/2 system. I'm not an expert on this but I think RON is about 10 points higher octane than the US system.

Is your 700 faster than a Roo??????? [img]i/expressions/face-icon-small-happy.gif[/img][img]i/expressions/face-icon-small-mad.gif[/img][img]i/expressions/face-icon-small-shocked.gif[/img]

 

C'mon you must of learnt something from steve irwin as well surely??? [img]i/expressions/face-icon-small-happy.gif[/img] hehe Haven't lined up against a roo as yet although i have come very close to running into one while flying thru a pine plantation..... They do make a mess (of the bike & the person riding it). I've been running the bike on 98 RON since its first tank so i don't think i'll go changing now but i was just interested as to what other ppl ran in their bikes but if the grading systems are different then it could be hard to distinguish.

 

89, going to try 93 once i run all of the 89 out...

 

it depends a lot on your altitude, the higher up you go the lower the octane you can run. I am at 5000 ft and run 91 octane in my 12:1 compression 686.

do a search on this you will find plenty of info.

 

I thought 98 RON would equal out to be something like a 95 octane non-pump fuel. If it's coming from the local petro pump then it's alright, sorry for the misunderstanding.

 

wow my 686 with 11.5:1 will not run right on 91....it took me forever to get the fuel right on it...thats awesome your 12:1 will run on 91....You save alot of money on race gas....My wifes warrior with the 12:1 it will start on 91 but it runs horrable...

 

your a lot closer to sea level than me, even with me at 12:1 my actual compression is probally less than yours. I gain 20 lbs of compression when I go to sea level.