Kz750h3 starter question

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18 May 2015 18:15 #672670 by dom2570
Kz750h3 starter question was created by dom2570
I have had some issues with my starter. I opened it up today and discovered it was full of nasty ass oil. Has something gone horribly wrong or is this normal...

I feel like it isn't normal.

Whip it like a mule!

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18 May 2015 18:16 #672671 by dom2570
Replied by dom2570 on topic Re:Kz750h3 starter question

dom2570 wrote: I have had some issues with my starter. I opened it up today and discovered it was full of nasty ass oil. Has something gone horribly wrong or is this normal...

I feel like it isn't normal.


Whip it like a mule!
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18 May 2015 20:04 #672683 by dom2570
Replied by dom2570 on topic Re:Kz750h3 starter question
The answer is NO...cleaned it out, now it works!

Whip it like a mule!

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19 May 2015 06:08 - 19 May 2015 07:08 #672709 by JR
Replied by JR on topic Re:Kz750h3 starter question
Just saw this
No reason for oil in there but am thinking the mess might have been carbon dust from brushes plus grease. How did you clean it ?
ThatGPzGuy will be interested as will I.
www.kzrider.com/forum/4-electrical/598242-starter-rebuild

1980 kz750E1, Delkevic exhaust
Last edit: 19 May 2015 07:08 by JR.

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19 May 2015 10:32 #672737 by dom2570
Replied by dom2570 on topic Kz750h3 starter question
It was oil. I did some research and discovered that if your crankcase breather becomes obstructed, oil can be forced into the starter at the starter gear through the gaskets.

I didn't really clean it well, just let it hang over an oil pan. Once it stopped dripping, I used about a roll of shop towels wiping everything down. Then I hooked it up to the bike to see if it still worked, and it did.

Several months ago I replaced the hose I had on my breather, with a fancy little UNI filter so I could look "COOL" shortly after my starter issued started...

Whip it like a mule!
The following user(s) said Thank You: JR

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19 May 2015 10:54 #672739 by JR
Replied by JR on topic Kz750h3 starter question

It was oil. I did some research and discovered that if your crankcase breather becomes obstructed, oil can be forced into the starter at the starter gear through the gaskets.


Now thats interesting.

Thanks for replying

1980 kz750E1, Delkevic exhaust

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19 May 2015 11:09 - 19 May 2015 11:10 #672740 by dom2570
Replied by dom2570 on topic Kz750h3 starter question

JR wrote:

It was oil. I did some research and discovered that if your crankcase breather becomes obstructed, oil can be forced into the starter at the starter gear through the gaskets.


Now thats interesting.

Thanks for replying


More like a messy pain in the ass! I just got the starter NOS like 2 years ago. I knew something had to have gone wrong with it, the last one lasted 30 years!
The combination of the carbon buildup and oil make it into a really black goop. I wish I would have taken more pictures. It was a very strange issue.

I don't have the bike running 100% yet, but once I do, I will open it back up and make sure the orings are still doing their job and keeping the oil out.

Whip it like a mule!
Last edit: 19 May 2015 11:10 by dom2570.

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