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carb problem kz750
- baldguy
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15 Feb 2009 15:13 #265213
by baldguy
carb problem kz750 was created by baldguy
Sorry for my first post to be a question.I am fixing a 1981 kz750 for my son he gets home in 2 weeks from iraq. The trouble I am having is if the bike sets say over night it will not start on its own.I can spray a little starting fluid and it will start and run fine.And will restart fine if it doesn't sit for a long time. I have cleaned the carbs out put new needle valves in cant replace seats there pressed in.I couldn't get the pilot jets out they are stuck but they seem to be clear.Does any body have an ideal I am stuck
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- bountyhunter
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15 Feb 2009 18:19 - 15 Feb 2009 18:24 #265261
by bountyhunter
1979 KZ-750 Twin
Replied by bountyhunter on topic carb problem kz750
It sounds like the choke enricher circuit in the carb(s) is not working. The "choke" on Mikuni carbs is actually a big jet that dumps extra fuel in when it's cold. If that's plugged, it won't start cold.
As for this:
As for this:
Do you turn the fuel tap petcock to OFF when you park it? If not, the carb bowls can overfill and then make the engine VERY hard o start since it's flooded (ask me how I learned that....)The trouble I am having is if the bike sets say over night it will not start on its own
1979 KZ-750 Twin
Last edit: 15 Feb 2009 18:24 by bountyhunter.
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- baldguy
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16 Feb 2009 04:39 #265311
by baldguy
Replied by baldguy on topic carb problem kz750
I looked in the manual and it doent give a picture or mention the circuit its a cd I am finding it lacking info.This is is a 750 4 cylinder if you could explain this a little I would be very thankful.
My other son has a kz550 and has a hard time remembering to turn of petcock. I ride a vtx 1800 when he rode the first time he was sitting on it not running.I ask whats wrong he said your always bitching about turning the petcock off so i am trying to find it to turn the fuel on I laughed it doesnt have one.
My other son has a kz550 and has a hard time remembering to turn of petcock. I ride a vtx 1800 when he rode the first time he was sitting on it not running.I ask whats wrong he said your always bitching about turning the petcock off so i am trying to find it to turn the fuel on I laughed it doesnt have one.
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16 Feb 2009 06:25 #265333
by wiredgeorge
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!
Replied by wiredgeorge on topic carb problem kz750
Would this be a twin or four cylinder KZ750? Kind of makes a difference providing advice.
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
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- baldguy
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16 Feb 2009 12:48 #265412
by baldguy
Replied by baldguy on topic carb problem kz750
I put in the other one it a kz750 4 cylinder and h model.Its a 1981 thanks a bunch
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16 Feb 2009 13:53 #265423
by wiredgeorge
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!
Replied by wiredgeorge on topic carb problem kz750
Pilot circuit will need to be cleaned and that means removing the pilot jets and cleaning them as well. New pilot jets don't exist for this type carb assembly (CV34).
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!
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