Engine Compartment Blower Replacement - Sportsman

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Engine Compartment Blower Replacement - Sportsman

Postby Doug Julien » Mon May 23, 2016 6:04 pm

My brother and I bought a third running Sportsman (1968) with a missing combo bilgepump/blower. Replacing the pump is easy. But now I'm located 400 miles from the boat and I can't remember the diameter of the ventilation hose that goes from the blower to the rear vent. I want to get an inline blower, but need to know whether to get a three-inch or a four-inch diameter blower and hose. I'm pretty sure it's three inch diameter but help me out!

So I launched the thing for the first time this season last Friday and the family hopped in. All was well going down the Carp River and into North Lake Leelanau, where I punched it. At the middle of the lake it slowed and died. Found out it would run fine in neutral but would die immediately in forward or reverse. Broke out the paddles but we were at least three hours from shore. Thought of an old trick for dragging your stalled car off the railroad tracks - I put the thing in Forward gear and rotated the engine with the starter motor. To my surprise the "assist" from the starter motor allowed the engine to remain running in gear, as long as I had the key twisted to "Start." Got us back home. May have burnt up the starter motor judging by the smell, but I think it's all right.

No idea why it wouldn't stay running when in gear. Could be old gas. Could be missing outdrive lube fluid. Could be a low-amperage electrical problem, like bad spark plug or distributor wires. Your suggestions would be appreciated!

I also discovered, once we stopped, a lot of bilgewater. Leak! And no bilge pump - hence my question above. Leak could be an open drain stopcock on the block, or a cracked bellows, or a bad transom plug. Had to get back to St Louis and will narrow it down next time up!


-Doug Julien
'68, '68 and '69 Sportsmans
Doug Julien
Posts: 1
Joined: Mon Apr 26, 2010 7:47 pm

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