What juice 1985 Gsxr

[Antman]

Hi all

Anyone know what octane the 85 was designed to run on?.

Here in Oz we have 91,95 and 98, I have been using 91 as advised by a mechanic.

Im interested to know if I could run a higher octane would there be any benefits or would the hotter burn cause poor running issues.

 

cheers

 

Ant

 

[tabby59]

91 will be fine with that bike. OEM compression on that motor is 10.6:1 if I remember correctly. Using a higher octane will just empty your wallet quicker. There are no ill effects to using the higher octane, it doesn't "burn hotter". Higher octane fuels have a higher "latent heat of combustion" point, or the temperature where it will self ignite. That is so when used in higher CR motors it will help prevent pinging or knocking.

[Antman]

Thanks

I have experienced some pinging using 91, hence question on fuels.

Would using say 95 octane improve this?.

 

cheers

[banoffee]

Try it! Have run mine on 95-98 for over ten years, no problem.

[kokolis]

92 is on the lower side, 95/98 is more suitable