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Starting a rusty '82 KZ750

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19 Jul 2019 05:39 #807795 by JR
Replied by JR on topic Starting a rusty '82 KZ750
You can download a copy of the manual here
www.kzrider.com/service-manuals
See page 23

It says to check with bike on centre stand. However this is with stock rear shocks. I found that when I replaced the stock shocks with ones that were slightly taller I needed to check with both wheels on the ground otherwise the chain ended up to tight or had a tight spot with a repetitive click. A tight chain can damage bearings at the front sprocket.

1980 kz750E1, Delkevic exhaust

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04 Aug 2019 10:48 #808692 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750

JR wrote: You can download a copy of the manual here
www.kzrider.com/service-manuals
See page 23

It says to check with bike on centre stand. However this is with stock rear shocks. I found that when I replaced the stock shocks with ones that were slightly taller I needed to check with both wheels on the ground otherwise the chain ended up to tight or had a tight spot with a repetitive click. A tight chain can damage bearings at the front sprocket.


Bike is riding great accept... on Monday she died on me as I was on my way home from work. I couldn't get her started again without a portable jumper battery hooked up. As soon as I removed the jumper she would quickly die. Battery was drained. I left her in a lot, walked home in 94 degree heat (jacket and helmet in tow) unhooked my camper (was leaving that evening for a week), hooked up my trailer and went to pick her up. Got her home and set her up on the trickle charger. I got back yesterday and she is fine. Starts right up, runs like a top. So, any suggestions on steps I can take to trouble shoot the electrical charging issue? Is it possible I drained the battery running hi-beams all the time? Thanks folks.

'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom

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04 Aug 2019 16:51 #808708 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750
Think I may have found the culprit!

'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom
Attachments:

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04 Aug 2019 17:48 #808717 by TexasKZ
Replied by TexasKZ on topic Starting a rusty '82 KZ750
Loose?

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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04 Aug 2019 20:31 #808723 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750

TexasKZ wrote: Loose?

found it like this!

'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom

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  • SWest
  • Offline
  • Sustaining Member
  • 10 22 2014
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04 Aug 2019 20:44 #808724 by SWest
Replied by SWest on topic Starting a rusty '82 KZ750
Been like that for a while. Make them shiny again or it'll keep getting hotter.
Steve
The following user(s) said Thank You: Tvag06

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05 Aug 2019 08:13 #808746 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750

SWest wrote: Been like that for a while. Make them shiny again or it'll keep getting hotter.
Steve


I cleaned them up and put it back together. It was disconnected and arcing is my guess.

'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom

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  • SWest
  • Offline
  • Sustaining Member
  • 10 22 2014
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05 Aug 2019 09:19 #808750 by SWest

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05 Aug 2019 17:16 #808778 by Nessism
Replied by Nessism on topic Starting a rusty '82 KZ750
After you fix up the wiring you might want to verify the charging system function. If you rev up the engine to 5000 rpm or so the charge voltage should be between 14.0-14.5 VDC when measured across the battery. The battery must be properly charged before testing.
The following user(s) said Thank You: Tvag06

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06 Aug 2019 06:08 #808790 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750

Nessism wrote: After you fix up the wiring you might want to verify the charging system function. If you rev up the engine to 5000 rpm or so the charge voltage should be between 14.0-14.5 VDC when measured across the battery. The battery must be properly charged before testing.


Thank you. I plan to measure the voltage tonight after it's been charging all day.

'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom

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07 Aug 2019 19:45 - 07 Aug 2019 19:47 #808898 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750
Looks like the battery and charging system are operating appropriately by my understanding




'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom
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Last edit: 07 Aug 2019 19:47 by Tvag06.

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29 Aug 2019 17:58 #810071 by Tvag06
Replied by Tvag06 on topic Starting a rusty '82 KZ750
Hey guys. I just wanted to post a hardy Thank You to everyone who contributed in helping me get this bike back on the road. I haven't been posting because I've been tuning and riding. :laugh: This winter I'll start working on cosmetics for this 750 and try to get the 440 up and running. Until then I plan on enjoying the ride. Anyhow, just checking in. Thanks again.

'80 KZ440D - Stripped for rebuild - kzrider.com/kunena/11-projects/611352-st...ng-a-rusty-80-kz440d
'04 Suzuki DL650 K4 V Strom

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