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drjekyll

Joined:

Sep 08

Posts: 5

drjekyll says:

cbr1000f oil pump chain

hi,

i have removed the oil pan from my bike (cbr1000fh) and have found that the oil pump chain is running loose. is there any way to adjust the chain or do i need to replace it?

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  • Posted 2 years ago (01 December 2012 19:26)

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fogie

Joined:

Jan 04

Posts: 913

fogie says:

oil pump chain

There's not usually a tensioner, but the chain is very short and is somewhat vital to the longevity of the engine. Now you're in there, it would be wise to fit a new one.


http://www.cmsnl.com/honda-cbr1000f-1987-austria_model1892/partslist/E__1200.html#results

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drjekyll

Joined:

Sep 08

Posts: 5

drjekyll says:

cbr1000f oil pump chain

hi, many thanks for that.

now, i haven't had a good look as yet because it was getting dark and frost was starting to form when i got the oil pan off and decided to call it a night so my next question is

"can the chain be removed/replaced in one piece or is it necessary to split the chain.

cheers

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fogie

Joined:

Jan 04

Posts: 913

fogie says:

chain removal

Probably better to remove the pump sprocket together with the chain, and reassemble together too, if you understand me....  :smile

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drjekyll

Joined:

Sep 08

Posts: 5

drjekyll says:

cbr1000f oil pump chain

okay, i had a good look when i got home today and the chain is driven direct from the crank which means without a complete engine strip down the chain will have to be split.

anyone know where i can get a split chain and where would be a good engineer to fit it.

cheers

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Dabbsy

Joined:

Aug 02

Posts: 504

Dabbsy says:

oil pump chain

Don't be in a rush to change it just yet. Because it's not critical for valve timing and it's pretty short so there is no noise either, it can run pretty loose. There is no service limit on the chain  and it doesn't have a tensioner which does allow it to run on the loose side. To give you an idea of how loose it can run, the procedure for removing the oil-pump drive sprocket to get to the pump involves fitting a sprocket holder special tool, undoing the loctited bolt, then pulling the sprocket off the shaft 5-6mm when the chain can be simply lifted off.



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drjekyll

Joined:

Sep 08

Posts: 5

drjekyll says:

cbr1000f oil pump chain

many thanks for that. you've just said EXACTLY the same thing as the helpful people at nightingales in rugby. it's nice to have the same information from 2 independant experts.

many thanks

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Dabbsy

Joined:

Aug 02

Posts: 504

Dabbsy says:

chain

Good news all round then :smile

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