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troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong
- snakelay
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11 May 2008 05:06 #212724
by snakelay
troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong was created by snakelay
Just started the old bike back up after sitting a couple of years. Cleaned out carbs, reset points, new cond,new plugs. Will run good at times. I took it on a short ride around the neiborhood about 2 miles & it would run great then the cyl would cut out. Stay out for a while then start running good again. Haven't had time to check out yet. I was thinking about the wireing to the coil but haven't check it yet. Any body have any other things I should check when I get time to work on it again. Maybe next weekend. It would cut down on gas thats for sure.
Snakelay
Craig
Snakelay
Craig
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- mjg15
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11 May 2008 05:15 #212725
by mjg15
'80 Z750fx
'81 KZ550A
'81 GPz550's, Too many!
'82 KZ1000R
'82 GPz750
'90 ZR550
Project photo album: s163.photobucket.com/albums/t289/mg15_ph...GPz-ZR550%20project/
s163.photobucket.com/albums/t289/mg15_ph...current=DSC01286.jpg
Replied by mjg15 on topic troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong
I think that you are right to check elctrical stuff 1st , as those cyls fire together .
'80 Z750fx
'81 KZ550A
'81 GPz550's, Too many!
'82 KZ1000R
'82 GPz750
'90 ZR550
Project photo album: s163.photobucket.com/albums/t289/mg15_ph...GPz-ZR550%20project/
s163.photobucket.com/albums/t289/mg15_ph...current=DSC01286.jpg
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- Scatdrat
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- Constructing Scat Rat out of a 78 650D SR
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11 May 2008 05:31 #212729
by Scatdrat
Scat D Rat
'78 KZ650 D1A SR
Replied by Scatdrat on topic troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong
I'm not saying you have to go that far, but I found out and fixed A LOT when I opened the heads and rebuild my valves.
Scat D Rat
'78 KZ650 D1A SR
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- N0NB
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- Blue handles better
11 May 2008 06:02 #212738
by N0NB
Nate
Nates vintage bike axiom: Riding is the reward for time spent wrenching.
Murphys corollary: Wrenching is the result of time spent riding.
1979 KZ650 (Complete!)
1979 KZ650 SR (Sold!)
1979 KL250 (For sale)
1994 Bayou 400 (four wheel peel )
Replied by N0NB on topic troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong
Look for and make sure all of the electrical connections between the coils and points are clean and tight as well as the feed coming from the kill switch. After a few years of sitting, corrosion has a remarkable way of setting in and making intermittent connection.
Nate
Nates vintage bike axiom: Riding is the reward for time spent wrenching.
Murphys corollary: Wrenching is the result of time spent riding.
1979 KZ650 (Complete!)
1979 KZ650 SR (Sold!)
1979 KL250 (For sale)
1994 Bayou 400 (four wheel peel )
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- MCH650SR
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11 May 2008 08:07 - 11 May 2008 08:11 #212764
by MCH650SR
1979 KZ650SR
modified with BS32 carbs
Yoshimura 4 in1
2006 Kawasaki Sherpa
1979 Honda CX500
BC Canada
Replied by MCH650SR on topic troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong
Electrical problems can be tough to track down. I hope you have success.
I had a similar problem, but fortunately new plugs cured my problem.
I had a similar problem, but fortunately new plugs cured my problem.
1979 KZ650SR
modified with BS32 carbs
Yoshimura 4 in1
2006 Kawasaki Sherpa
1979 Honda CX500
BC Canada
Last edit: 11 May 2008 08:11 by MCH650SR.
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- snakelay
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11 May 2008 08:24 #212772
by snakelay
Replied by snakelay on topic troubleshooting 1 & 4 Cyl cut in & out while running Any hints on what's wrong
Thanks for the all quick answers. I have had electic problems before. Where 2 wires connect to 1 wire under tank looks like I'll have to get my meter out & track that down. Have a good day. Do something for mom if it wasn't for her we would not be here.
Snakelay
Craig
Snakelay
Craig
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