SOHC.co.uk Forums > CB500/550

Oil pump leaks

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Bryanj:
I have in the past been able to supply "O" ring kits to cure the cover leak on the 500/550 oil pump.

Unfortunately my old supplier has changed hands and no longer stocks the "Slow Moving" parts and is not willing to order in quantities i can afford to buy to sell over 5 years!

However to help all out I have been doing some research and discovered that whilst Honda do not list the cover "O" ring as a separate part for the 500/550 the correct size is used on other bikes and so for those in need here are the part numbers and sizes:-

91305-426-003 oil pump cover      46x2
91302-377-000 suction and feed   15x2.5
91302-250-010 casing to block     47x3

Best wishes to all and hope that that helps

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