no spark when using electric start, kick works.

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30 Mar 2010 16:43 #357258 by paul_the_welder
no spark when using electric start, kick works. was created by paul_the_welder
1980 kz650. I noticed its really hard to start with electric start.Lately it hasent been starting at all with electric. I checked and its not getting a spark when you engage the starter. I can kick it once and it fires off even cold. Runs good. Any idea's?

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30 Mar 2010 17:25 #357273 by hoghaterkaw
Replied by hoghaterkaw on topic no spark when using electric start, kick works.
Your battery is too weak. Do a load test. Most likely you need a new battery.

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30 Mar 2010 17:41 #357278 by paul_the_welder
Replied by paul_the_welder on topic no spark when using electric start, kick works.
The battery spins the motor well. Way fast enough to start it. Just when the starter is engaged, its not getting spark.

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30 Mar 2010 18:04 #357291 by roy-b-boy-b
Replied by roy-b-boy-b on topic no spark when using electric start, kick works.
Points bike? When you use the starter you might not have enough fire for the plugs.

I was helping a friend work on his bike and it wouldn't start. spun over fine. I kicked it one time and it fired.

He had to try as he has never kicked a street bike over. :laugh: Roy
1979 LTD Street Fighter.1977 KZ1000

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30 Mar 2010 18:10 #357297 by paul_the_welder
Replied by paul_the_welder on topic no spark when using electric start, kick works.
roy-b-boy-b wrote:

Points bike? When you use the starter you might not have enough fire for the plugs.

I was helping a friend work on his bike and it wouldn't start. spun over fine. I kicked it one time and it fired.

He had to try as he has never kicked a street bike over. :laugh: Roy


Don't know? 1980 model. I figured it was electronic ignition.

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30 Mar 2010 18:22 #357307 by otakar
Replied by otakar on topic no spark when using electric start, kick works.
You might some corroded connectors along with the week battery. Yes I do agree about the week battery.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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30 Mar 2010 18:23 #357310 by trianglelaguna
Replied by trianglelaguna on topic no spark when using electric start, kick works.
switch in clutch lever(if it has one) is /working still/depressing ok????
1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife

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30 Mar 2010 18:27 #357314 by paul_the_welder
Replied by paul_the_welder on topic no spark when using electric start, kick works.
otakar wrote:

You might some corroded connectors along with the week battery. Yes I do agree about the week battery.


You mean weak battery?B) So a battery could light up the headlight well and spin the motor well and still be bad?

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30 Mar 2010 18:31 #357319 by otakar
Replied by otakar on topic no spark when using electric start, kick works.
That is correct. Try to turn off the headlight by pulling the fuse and see if the bike starts than.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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30 Mar 2010 20:06 - 31 Mar 2010 06:21 #357347 by JR
Replied by JR on topic no spark when using electric start, kick works.
1980 kz750E1, Delkevic exhaust
Last edit: 31 Mar 2010 06:21 by JR.

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30 Mar 2010 23:14 - 30 Mar 2010 23:15 #357375 by bountyhunter
Replied by bountyhunter on topic no spark when using electric start, kick works.
A weak coil can make a bike really hard to start on the electric starter because the battery voltage dips just enough to starve the spark.

Guess how I learned that.....:laugh:

But check the battery first: if the batt voltage drops below about 9 - 9.5V under starter crank, it's probably hosed.
1979 KZ-750 Twin
Last edit: 30 Mar 2010 23:15 by bountyhunter.

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31 Mar 2010 15:55 #357530 by paul_the_welder
Replied by paul_the_welder on topic no spark when using electric start, kick works.
thanks for the help guys, I'll check the battery out.

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