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Gear Oil - 2010 Honda CBF600

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flyingcbf
Borekit Bruiser



Joined: 23 Aug 2021
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PostPosted: 17:09 - 05 May 2022    Post subject: Gear Oil - 2010 Honda CBF600 Reply with quote

Hi Folks,
Does this bike come with gear oil?
Want to change it to make the shifting more smooth.
I'm constantly pulling in the clutch lever to smooth the ride.
Smile
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Nobby the Bastard
Harley Gaydar



Joined: 16 Aug 2013
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PostPosted: 17:15 - 05 May 2022    Post subject: Re: Gear Oil - 2010 Honda CBF600 Reply with quote

flyingcbf wrote:
Hi Folks,
Does this bike come with gear oil?
Want to change it to make the shifting more smooth.
I'm constantly pulling in the clutch lever to smooth the ride.
Smile


Surely the clutch is to make shifting smoother....
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jeffyjeff
World Chat Champion



Joined: 02 May 2020
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PostPosted: 17:40 - 05 May 2022    Post subject: Reply with quote

Honda motorcycle transmissions, to my knowledge, share the engine oil. Use the recommended oil. Stay away from additives and energy-conserving oils to avoid clutch problems, which could arise from using oil that is too slippery.
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Nobby the Bastard
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PostPosted: 17:56 - 05 May 2022    Post subject: Reply with quote

Oil too slippery. Very Happy
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 18:05 - 05 May 2022    Post subject: Reply with quote

The gearbox and engine use the same oil.

You're probably riding in too high a gear, try riding one gear lower. The redline is at 11,000rpm and unlike cars, it IS a target Very Happy. Anyting below 5,000 on a medium inline 4 and it will be snatchy.

Also worth reading up on rev matching if you want a smooth gear shift.
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flyingcbf
Borekit Bruiser



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PostPosted: 21:42 - 05 May 2022    Post subject: Reply with quote

All gears I use, the ride is not smooth. Lot of jerking about until I pull the clutch in.
Not sure what the previosue owner used, but I;m looking at changing the engine oil if they both (gear and engine) share the same oil
It's on 42,000 miles. Any recommendations on which oil? Sorry, don;t want to start a war again.
BUt looking at castrol power 4 stroke for this bike
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 21:59 - 05 May 2022    Post subject: Reply with quote

Check the chain tension, and make sure it doesn't have any tight spots. This sounds like that might be the case.
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Polarbear
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PostPosted: 22:09 - 05 May 2022    Post subject: Reply with quote

In donkeys years of riding bikes I have never had a transmission issue that could be laid at the type of oil in the engine. There has always been some other reason be it clutch, cable, chain or whatever.

Sure, change the oil so you know the correct grade is in there but I absolutely guarantee it won't be the cause of your issues.
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 22:57 - 05 May 2022    Post subject: Reply with quote

As above. Whatever is causing your problem, it's not the oil.

Dodgy sidestand switch making the engine cut in and out?
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MCN
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PostPosted: 10:07 - 08 May 2022    Post subject: Re: Gear Oil - 2010 Honda CBF600 Reply with quote

flyingcbf wrote:
Hi Folks,
Does this bike come with gear oil?
Want to change it to make the shifting more smooth.
I'm constantly pulling in the clutch lever to smooth the ride.
Smile


Most motorcycle gearboxes use the enging oil as the lube. Thats why it is considered problematic to use 'car' engine oil. Car engine oil is blended to work only in engines and can have friction modifiers incorporated.
The additives in car engine oil can interfere with motorbike clutch performance.
(Not all motorbike clutches are immersed in the engine-gearbox oil. Dry Clutch of Ducati as example.)

Snatchy clutch may be an indication of the clutch basket or other parts failing/failed.)

In a wet clutch the oil is part of the drive flow. The clutch plates shear the oil which creates friction.
Changing the oil replaces the worn oil where the shear forces deplete the lubrication qualities.
Changing the oil is simpler than changing the clutch plates.

Try changing the oil for the O.E.M. recommended oil. (Not some oil spouted from an internet forum. People on an internet forum do not run major manufacturing corporations. Wink

They may, of course, be very intelligent, well informed and post interesting shite based on personal experience though.)

Internet information can compliment O.E.M. Specifications and Recommendations.
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 23:35 - 08 May 2022    Post subject: Re: Gear Oil - 2010 Honda CBF600 Reply with quote

MCN wrote:


Try changing the oil for the O.E.M. recommended oil. (Not some oil spouted from an internet forum. People on an internet forum do not run major manufacturing corporations. Wink


Directly from the Hionda service manual:

Code:
API classification: SG or higher
(except oils labeled as energy con-
serving on the circular API service
label)
Viscosity: SAE 10W-30
JASO T 903 standard: MA


So a very low bar there...
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I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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