is it ok to use automotive SAE 10-40 motor oil in Kawasaki motorcycle engines

greaseyfingers · 08-29-2008

will using automotive SAE 10-40 motor oil cause any problems in a 76 Kawasaki KZ 900 and 79 Kawasaki KZ 1000 model ST..

or isn't automotive SAE 10-40 motor oil made for using in motorcycle engines..

jeffs99vulcan · 08-29-2008

My dealer suggests mineral oil, of which Kawi oil is. Myself, I'd rather not save the 2 or 3 dollars, and lay awake wondering... ANY clean oil is better than NO, or DIRTY oil though, so put it in for now if that's the question, and wait for more & better answers than this one if you're looking about sticking with auto oil long term.

When in doubt, bottom line is you can either WONDER, or be SURE... with Kawi mineral oil you're sure...

A2rider · 08-29-2008

Anything that has friction modifiers will damage your clutch. Use m/c specific oil or pm RichLockyer for m/c safe oil that you can buy that won't damage your clutches.

herk · 08-29-2008

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OKC_Kent · 08-29-2008

This is what herk is talking about.

Garrett · 08-29-2008

My Clymer manual for my 86 ZX6 says: SAE 10W40, 10W50, 20W50 (what I use) rated SE or SF

Ole Yeller · 08-29-2008

Rotella 15-40 is good.

sebastian1000 · 08-29-2008

I also use Castrol GTX in the 600R 20w50...works great for me. Good price, too.

Nate · 08-29-2008

Goody! An oil thread.

So far I've seen good results with Castrol Act-Evo 10W40. But then I don't ride many miles or on long rides.

08-29-2008	#1 (permalink)
greaseyfingers Newbie Join Date: Jul 2008 Posts: 18	is it ok to use automotive SAE 10-40 motor oil in Kawasaki motorcycle engines will using automotive SAE 10-40 motor oil cause any problems in a 76 Kawasaki KZ 900 and 79 Kawasaki KZ 1000 model ST.. or isn't automotive SAE 10-40 motor oil made for using in motorcycle engines..

08-29-2008	#2 (permalink)
jeffs99vulcan Shims are our friends Forum Supporter Join Date: Jun 2008 Location: Ottawa, Ontario Canada Posts: 3,311	My dealer suggests mineral oil, of which Kawi oil is. Myself, I'd rather not save the 2 or 3 dollars, and lay awake wondering... ANY clean oil is better than NO, or DIRTY oil though, so put it in for now if that's the question, and wait for more & better answers than this one if you're looking about sticking with auto oil long term. When in doubt, bottom line is you can either WONDER, or be SURE... with Kawi mineral oil you're sure... __________________ What do YOU think this ticking sound is? Jeff - Ottawa, Ontario '99 Vulcan 800 Classic

08-29-2008	#4 (permalink)
herk bustedfeet BTK Expert Join Date: Jun 2006 Posts: 1,137	delete ... ... .... .... Last edited by herk : 2 Days Ago at 09:56 PM.

08-29-2008	#5 (permalink)
OKC_Kent Can't find time to ride BTK Expert Join Date: Sep 2005 Location: Oklahoma City Posts: 687	This is what herk is talking about. __________________ Kent Oklahoma City, OK '78 KZ 650 B2 '83 KZ 750 LTD F1 Shaft

08-29-2008	#6 (permalink)
Garrett Third Gear And Gaining BTK Intermediate Join Date: May 2008 Location: Garland, Tx. Posts: 144	My Clymer manual for my 86 ZX6 says: SAE 10W40, 10W50, 20W50 (what I use) rated SE or SF Last edited by Garrett : 08-29-2008 at 08:56 PM.

08-29-2008	#3 (permalink)
A2rider Banned BTK Expert Join Date: Mar 2006 Location: KCK Posts: 19,729	Anything that has friction modifiers will damage your clutch. Use m/c specific oil or pm RichLockyer for m/c safe oil that you can buy that won't damage your clutches.

08-29-2008	#7 (permalink)
Ole Yeller Forum Supporter Forum Supporter Join Date: May 2008 Location: Space, the final frontier Posts: 220	Rotella 15-40 is good. __________________ 4 cylinders are better than 2 1985 ZL900 ELIMINATOR

08-29-2008	#8 (permalink)
sebastian1000 Needs A Real Job BTK Expert Join Date: Jul 2006 Posts: 3,960	I also use Castrol GTX in the 600R 20w50...works great for me. Good price, too.

08-29-2008	#9 (permalink)
Nate KZ Kool! Forum Supporter Join Date: Oct 2004 Location: Marysville, KS Posts: 1,982	Goody! An oil thread. So far I've seen good results with Castrol Act-Evo 10W40. But then I don't ride many miles or on long rides. __________________ "Riding is the reward for time spent wrenching." "Wrenching is the result of time spent riding!" KZ650 SR

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