Gas Grade Recommendation

Should I run premium grade gas. My bike has no mods that I know of. KZ900w/1000cc engine.

As long as it's good gas (ie: not bottom of the barrel crud), you should be fine with just running Regular Unleaded.

13thlevel wrote:

Should I run premium grade gas. My bike has no mods that I know of. KZ900w/1000cc engine.

Remember: all increased octane does is delay combustion! This is only desirable in higher compression engines. In lower compression engines, like ours, all premium gas does is give you poor performance and fouled plugs.

almost everyone should put "Marvels Mystery" oil into their gas! 1 oz. per 3 gallons of gas. I have been using it for 30 years.
It will lower octane level slightly!
I hone cylinders with it! I mix laquer thinner with it to use as a solvent for carbon build up! Etc.....

My 75' AMF HD shovel head still has the original lead seats in the heads. Has 1 set of new valves and .020 over weisco forged pistons also. Runs great!!!!!!!!!!!

My opinion!!

"Remember: all increased octane does is delay combustion! This is only desirable in higher compression engines. In lower compression engines, like ours, all premium gas does is give you poor performance and fouled plugs."


He's right,higher octane burns slower! Even the label under my seat recommeneds 87 octane. Runs great!!

Post edited by: Bluemeanie, at: 2007/03/18 20:56