My o/b has started to get louder and only runs smoothly with the cover off. I am told the exhaust pipe(?) is likely to be ****n and the motor is pulling in fumes. Would appreciate any comment as regards the likely accuracy of this and where in the USA can you get get a replacement please?

Regards

Maco

Need to find where it is leaking to see what parts are needed, you look for parts at this link Honda Outboard Parts Pre-1997

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Boats.net
Honda Outboard Parts