engine hard to start after warm-up

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   I adjusted the mixture screws, but that didn't do the trick. 

Next step is a full tune-up: cap, rotor, wires, plugs, points, condenser, coil, dwell, timing, fuel filter cartridge.

If that doesn't solve the problem, I think I'll check the fuel lines, fuel tank ventilation, and check for vacuum leaks around the carb and intake mainfold.

If that doesn't solve it, it may be time to rebuild the carb.

Any other ideas/suggestions would be most welcome.

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uncle-buck Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: June-14-2004 Location: United States Status: Offline Points: 327	Post Options Post Reply Quote uncle-buck Report Post Thanks(0) Quote Reply Topic: engine hard to start after warm-up Posted: June-15-2004 at 2:12am
	I adjusted the mixture screws, but that didn't do the trick. Next step is a full tune-up: cap, rotor, wires, plugs, points, condenser, coil, dwell, timing, fuel filter cartridge. If that doesn't solve the problem, I think I'll check the fuel lines, fuel tank ventilation, and check for vacuum leaks around the carb and intake mainfold. If that doesn't solve it, it may be time to rebuild the carb. Any other ideas/suggestions would be most welcome.
	1990 Ski Nautique (original owner) PCM 351W with D.U.I.

danman Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: February-04-2004 Location: United States Status: Offline Points: 56	Post Options Post Reply Quote danman Report Post Thanks(0) Quote Reply Posted: June-14-2004 at 10:43pm
	uncle-buck- sounds like a carb adjustment and or overhaul is in order...but if I was a guessing man, it sounds like an idle mixture screw(s) adjustment

Tranner Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: May-27-2004 Location: United States Status: Offline Points: 10	Post Options Post Reply Quote Tranner Report Post Thanks(0) Quote Reply Posted: June-14-2004 at 1:59pm
	My 85 wouldn't starter after it was warm either. Mine ending up being a bad coil. $30 fix.

uncle-buck Members Profile Send Private Message Find Members Posts Add to Buddy List Guest	Post Options Post Reply Quote uncle-buck Thanks(0) Quote Reply Posted: June-14-2004 at 11:30am
	I have a 1990 Nautique with a Pleasurecraft/Ford 351 engine. After warming up, the engine now requires that I give it some gas (in neutral) in order to start it. I turned up the idle, but that didn't help, so I turned it back down. Any help/suggestions would be appreciated.

engine hard to start after warm-up

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