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CB750F1 'o' rings.

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Skoti:

 
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 Honda CB750F1 1976
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Hi,

I managed to buy a new old stock genuine Honda CB750F1 top gasket set (part no 06110-393-S00).

It has only two rubber 'o' rings for the oil feed to the cylinder head. (part no 91310-426-000) 11x2.5mm.

When I dismantled the motor it had two fitted with the cylinder base gasket and two fitted with the cylinder head gasket.

My question is have Honda deleted the requirement for the other two 'o' rings from the cylinder base gasket or the cylinder head gasket?

Not sure where to fit the two supplied 'o' rings!

regards

Skoti.

ka-ja:
Don't know about 750's, but a top-end gasket set is exactly that, ie. above the cylinders, below that usually needs at least a base gasket plus? new orings

Chris400F:
Have to disagree slightly I'm afraid. I reckon a top gasket set is from the crankcase up so should include the base gasket and any necessary seals.

Skoti:
Yes, the top gasket set includes a cylinder base gasket.

Just Google 06110-393-S00 and you'll find a CMSNL result where there is a photo of the Honda CB750F1 gasket set contents.

If somebody could advise me where to fit the two oil feed 'o' rings supplied with this gasket set - on the base gasket or head gasket? 

Chris400F:
In Ash's Dropbox (http://www.sohc.co.uk/index.php/topic,8884.0.html) there are the CB750 K0-.K8, F SHOP MANUAL and 750F1 PARTS MANUAL.
I think page 36 of the Shop manual will answer your question.

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