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kz 750 twin 78
- nathanhopkins
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09 Jun 2010 10:35 #374629
by nathanhopkins
kz 750 twin 78 was created by nathanhopkins
cleaned carbs sunday adjusted floats now i have an issue .
runs fun at idle or rev but when u ride it it cut backs real bad and have to choke it to clear it back up with choke on i can get her home. so what could be my problem. i checked timing its fine . and i noticed do to pulling choke up my motor heats up excessively
thanks
nate
runs fun at idle or rev but when u ride it it cut backs real bad and have to choke it to clear it back up with choke on i can get her home. so what could be my problem. i checked timing its fine . and i noticed do to pulling choke up my motor heats up excessively
thanks
nate
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- bountyhunter
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09 Jun 2010 11:25 - 09 Jun 2010 11:30 #374641
by bountyhunter
1979 KZ-750 Twin
Replied by bountyhunter on topic kz 750 twin 78
Running with the choke on should not make it heat up, since you are running richer not leaner.
Sounds like maybe a pilot jet problem.
Did you use a clear tube to set fuel levels in the bowls?
Is the timing advancer working freely?
Any mods to the bike like pods or headers?
I would also carefully check the diaphragms for slits or pinholes. That's what was making mine hesitate.
Sounds like maybe a pilot jet problem.
Did you use a clear tube to set fuel levels in the bowls?
Is the timing advancer working freely?
Any mods to the bike like pods or headers?
I would also carefully check the diaphragms for slits or pinholes. That's what was making mine hesitate.
1979 KZ-750 Twin
Last edit: 09 Jun 2010 11:30 by bountyhunter.
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- Capt America
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09 Jun 2010 11:42 #374646
by Capt America
Capt A merica
1983 K1 750 twin
Ontario, Canada.
Replied by Capt America on topic kz 750 twin 78
Did you move the clip on the jet needle to a different position while you had carbs apart? That will give that kind of performance.
Capt A merica
1983 K1 750 twin
Ontario, Canada.
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- nathanhopkins
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10 Jun 2010 09:48 #374875
by nathanhopkins
Replied by nathanhopkins on topic kz 750 twin 78
I will check tonight thanks for feed back
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12 Jun 2010 21:26 #375373
by nathanhopkins
Replied by nathanhopkins on topic kz 750 twin 78
1 did a compression check 150 on left 35 on right .
2 cause bent exhaust valve.
3 replaced valve compression is goog.
4 blasted carbs cleaned perfect. floats set still have smoke come out crankcase except when i apply choke on carbs
plugs look rich.
i have learned one thing carb cleaner u soak your carbs in isant enough....
2 cause bent exhaust valve.
3 replaced valve compression is goog.
4 blasted carbs cleaned perfect. floats set still have smoke come out crankcase except when i apply choke on carbs
plugs look rich.
i have learned one thing carb cleaner u soak your carbs in isant enough....
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