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Forum: Do It Yourself, Boating on a Budget

01-10-2011, 08:59 AM

Replies: 90

"Burnt" spark plugs

Views: 38,996

Posted By PatriYacht

Thanks for the pictures. I didn't have any handy....

Thanks for the pictures. I didn't have any handy. You don't have to use braided hose, it's low pressure water there. I just used brass push on fittings and rubber hose.

Forum: Do It Yourself, Boating on a Budget

01-08-2011, 10:26 AM

Replies: 90

"Burnt" spark plugs

Views: 38,996

Posted By PatriYacht

I am also worried about the exhaust system. It...

I am also worried about the exhaust system. It could be reverting a small amount. The clean pistons and chambers are a clue as is the valve seat dropping and valves tuliping. Those engines really...

Forum: Do It Yourself, Boating on a Budget

01-08-2011, 10:21 AM

Replies: 90

"Burnt" spark plugs

Views: 38,996

Posted By PatriYacht

I think these engines could be made to run fine...

I think these engines could be made to run fine if the owner has access to good pump premium. The compression works out to be about 9.5-9.75. Look at your HP500 pistons. They're small dome. The...

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