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1977 kawasaki kz650b

This is a discussion on 1977 kawasaki kz650b within the Motorcycle Repair forums, part of the General category; bike fires up no problem. but if you don't keep on the gas it will stall out, and wont start. ...


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Old 05-02-2010   #1
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Default 1977 kawasaki kz650b

bike fires up no problem. but if you don't keep on the gas it will stall out, and wont start. if you use a little starting fluid it starts again. other wise you have to let it sit for a while. whats wrong??????
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Old 05-03-2010   #2
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Looks like ignition system works.
Assuming you have fresh gasoline, non obstructed gas flow, IMHO, other suspects are:
1- gummed up carbs, our of adjustment or not synchronized properly
2- Air filter obstructed
3- Poor or uneven compression (my favorite test on vintage bikes)
4- Obstructed or missing exhaust (jetting out of balanced)
5- Poorly working valves, out of adjustment, half jammed, etc

Then I would dig into the fuel system details and adjustments. I would not dare to do much on a vintage bike without the shop manual, otherwise, you may ruin some hard to find parts that are worth far more than the manual.

Good luck !

Martin
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