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honda gp4 synthetic oil

Started by zoltan57, Tue 04, Aug 2009, 15:19:21

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zoltan57

Tue 04, Aug 2009, 15:19:21
3 weeks a go i bought the honda gp4 synthetic/petroleum blend without moly sae 10w-40 sj since then when i engage my clutch from 1st to 2nd it slips/skips on ocassions and also i noticed alittle more exhaust smell .. previous oil was the standard type and i had no slippage in shifting or exhaust smell... has anyone ever had this problem or is common for this oil as it breaks in ..or do i have a completely different issue..... thanks in advance...emrik

R J

#1
Tue 04, Aug 2009, 16:26:28
Sounds like a failure to get your fingers fully off the lever.

I've run synthetic oil (Mobil 1) for well over 200K miles with no problem or slippage.    Did junk out 1 clutch basket.
44 Harley ServiCar




 

asfltdncr

#2
Tue 04, Aug 2009, 18:07:33
I would drain it and get some Rotella from Wally World.

BF

#3
Tue 04, Aug 2009, 21:55:10
Mobil 20-50 motorcycle v-twin oil and a pure one filter here.  So far, zero problems. 
I can't help about the shape I'm in
I can't sing, I ain't pretty and my legs are thin
But don't ask me what I think of you
I might not give the answer that you want me to


98valk

#4
Wed 05, Aug 2009, 10:26:29
Quote from: zoltan57 on Tue 04, Aug 2009, 15:19:21
3 weeks a go i bought the honda gp4 synthetic/petroleum blend without moly sae 10w-40 sj since then when i engage my clutch from 1st to 2nd it slips/skips on ocassions and also i noticed alittle more exhaust smell .. previous oil was the standard type and i had no slippage in shifting or exhaust smell... has anyone ever had this problem or is common for this oil as it breaks in ..or do i have a completely different issue..... thanks in advance...emrik


honda oils tested to be one of the worst oils to use by Motorcycle consumer news a few yrs ago.
1998 Std/Tourer, 2007 DR200SE, 1981 CB900C  10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp

"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798

zoltan57

#5
Sun 09, Aug 2009, 00:40:44
ok.. so the honda oil gp4 sucks,,, what brand and type can i buy off the shelf ....
thanks

98valk

#6
Sun 09, Aug 2009, 18:45:45
Quote from: zoltan57 on Sun 09, Aug 2009, 00:40:44
ok.. so the honda oil gp4 sucks,,, what brand and type can i buy off the shelf ....
thanks


rotella 5w40 is a group III oil which is classified by law as a syn and actually has specs similar to the group IV/V mixtures on the market.  any 15w40. I have mobil delvac 15w40 in the bike right now.  Chevon Delo 15w40 has more moly than the others, but the level is still low enough to not affect the clutch.
I also use AMSOIL 10w40, the one for cars as it has always been rated for cycles, started using it in the mid '80s. Now they sell more $$$ cycle specific oil, a little bit better specs but much more $$$.
my next change I will be using Amsoil 10w30/30HD diesel oil.
and of course MOBIL 1 is used by a lot of people.
1998 Std/Tourer, 2007 DR200SE, 1981 CB900C  10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp

"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798

zoltan57

#7
Sun 09, Aug 2009, 22:30:20
which type of mobil one do i use........ also some one gave me 4 quarts of amsoil synthetic 10w-40 motorcycle oil which i havent used yet its been sitting on the shelf... is type good also?
thanks

Mr.BubblesVRCCDS0008

#8
Mon 10, Aug 2009, 11:45:45
mobil one 15W50 is the automotive grade to get if that's what you want to run. It is the only one without friction reducing agents. This is what I run is my bikes.
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