BOGGING DOWN AFTER 15 MINUTES

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RCASSIN
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BOGGING DOWN AFTER 15 MINUTES

#1 Unread post by RCASSIN »

MY 1976 CONDOR WITH A 350 DUCATI MOTOR RUNS FINE FOR ABOUT 15 MINUTES THEN IT BOGGS DOWN AND EVENTUALLY STALLS, BUT THEN STARTS RIGHT UP, BUT STILL BUCKS OR BOGGS DOWN....SO IT RUNS FINE WHEN ITS COLD...HELP???
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flynrider
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My Motorcycle: '93 Honda Nighthawk 750
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#2 Unread post by flynrider »

Next time it bogs down, open the fuel cap. Sounds like you might have a clogged fuel tank vent. As you burn fuel out of the tank, a vacuum will form and eventually you'll have trouble feeding fuel to the engine. Opening the cap will get rid of the vacuum. If it runs OK for another 15 mins or so after you've had the cap opened, then you should start looking for the clogged vent.
Bikin' John
'93 Honda CB750 Nighthawk
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