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Message Subject: 40 HP Early 90s Merc Classic Outboard Leaking Fuel

Mad Musky

Posted 4/9/2011 5:54 PM (#491797)
Subject: 40 HP Early 90s Merc Classic Outboard Leaking Fuel

Posts: 280

I was getting the boat ready today and noticed a small seepage of fuel coming from what looks like the carburetor bowl. Appears to be leaking from the very top of the bowl. I am fairly new to outboard maintenance so Im not sure if this is normal or a bad gasket or a bigger problem. The boat started on first try and ran normal. The fuel was substantial enough to create a small puddle in the bottom of the engine compartment. Any advice?? Anyone in the Madison area want to trade some boat maintenance tips for some beer or baits.

kjgmh

Posted 4/11/2011 8:41 AM (#492090 - in reply to #491797)
Subject: RE: 40 HP Early 90s Merc Classic Outboard Leaking Fuel

Posts: 1091

Location: Hayward, WI

There is a gasket that seals between the bowl and the carb body. I would recommend just getting a gasket kit for the carb and replacing them all while you have the carb off.

muskynut09

Posted 4/11/2011 9:24 AM (#492094 - in reply to #491797)
Subject: RE: 40 HP Early 90s Merc Classic Outboard Leaking Fuel

Location: Lake Geneva, WI

Mad Musky,

I had the same thing happen with my motor. I have a 90 40hp Merc. Classic. There is a carb gasket kit, which is pretty cheap. That should fix it and it is not ot very difficulty to do either.

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