Castrol 10w-40

I was thinking about using Castrol 10w 40 in my 06 kawi, just the kind you get at wal-mart. I used to run it in my honda no problems. What do you guys think? Thanks

should work fine, just change it often enough.

I have Castrol in my bike right now and have run Valvoline with no problems. Just make sure it not rated "Energy Conserving" I believe the EC rating has more slippery stuff that may not be good for your clutch.

I still run Valvoline in my old 01WR 426 and after 3700 plus miles I am still running the same clutch and have never touched the motor. Well a couple of Valve checks that were good but that's it.

Just be sure to change it often.

Your going to get a lot of opinions on this one.

Dont know what you guys get over there but i use Castrol GTX 10w-40 in my 05 KXF and she ran for about 70 hours with no problems whatsoever until i sold her on.

I do race motocross in the 125 B class, so i am not easy on it. Would a synthetic be better? I do change oil and filter oftern, like every 3 to 4 hours.

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