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1992 187 Quest - Running problems
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Author:  sewardsb [ Sun Jul 17, 2011 4:55 pm ]
Post subject:  1992 187 Quest - Running problems

Hey everyone,

Being a new owner of this boat, i'll go ahead and state the specifications and details of why its stalling!

Motor: Johnson 120 HP V4 (possible 92-94)

The boat starts and idles fine in yard, but when put in the lake, ran good for a couple minutes until a lack of fuel stalled the engine.

Has a large fuel filter and a small fuel filter at the engine. Fuel bulb doesn't pump up until after 5-10 minutes, then the engine runs for a short period of time and then starves for fuel again. Boat has new spark plugs, tightened a-hose clamp at the large fuel filter and thought it would solve the problem, put back in lake, ran the boat for about 12 minutes and got up to 6k rmp without any problems until it slowly stalled again consistently. Fuel bulb does not harden, although the OIL BULB IS VERY HARD.

Any suggestions would be great! Thank you.

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