Author Topic: 750 K4 oil leak  (Read 1433 times)

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bnw

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750 K4 oil leak
« on: May 11, 2008, 07:54:11 am »
My new 750 K4 is leaking oil from the round disc in the lower crank case.  This is the disc partially covered by the flange on the oil pan,  It looks like an accumulator piston in an auto trans.  What is this disc?  Why is it leaking oil, and how do I fit this?

Offline mystic_1

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Re: 750 K4 oil leak
« Reply #1 on: May 11, 2008, 09:14:34 am »
Wow, never heard of a leak there.  That disc is just a cover.  It's a press-fit into the crankcase, I've never had one out, nor am I sure how you'd get it out short of splitting the crankcases.

mystic_1
"A ship in harbor is safe, but that is not what ships are built for."
- John Augustus Shedd

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Offline 754

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Re: 750 K4 oil leak
« Reply #2 on: May 11, 2008, 09:22:22 am »
might just need redealing of the pan..

 give the roll her in flour test.. ;D
Maker of the WELDLESS 750 Frame Kit
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Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

WHALEMAN

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Re: 750 K4 oil leak
« Reply #3 on: May 11, 2008, 06:58:15 pm »
There is an o-ring sealing this disc that does not seem to show on Honda parts books. I am sure an o-ring could be found that worked. The disc pushes out from inside.

Offline mystic_1

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Re: 750 K4 oil leak
« Reply #4 on: May 11, 2008, 08:45:29 pm »
Heh, cool, I've never had the guts to push that cover out, was worried about not being able to get it back in :)  Guess I just need to grow a pair lol.

Given this thing's location below the transmission, "pushing out from inside" is easier said than done lol.

mystic_1
"A ship in harbor is safe, but that is not what ships are built for."
- John Augustus Shedd

My build thread:  http://forums.sohc4.net/index.php?topic=68952.0