K5 Water Pump Seal Reprise - K-Bikes.com - Excellence in Motion
 
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post #1 of 2 (permalink) Old Apr 24th, 2014, 1:50 pm Thread Starter
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Join Date: Oct 2010
Location: Yorktown, VA, USA
Posts: 163
Angry K5 Water Pump Seal Reprise

Yes, me again regarding the water pump seal.

I chalked up my first attempt to doing something wrong even though I can't figure out what that would be. So I tried again.

Still a leak from the weep hole, actually a steady drip.

I followed all the published procedures to the letter ensuring that the seal was not damaged when installing. The pump shaft has no pitting and shows no wear.

Anyone else run into this problem?

Do I need to buy the BMW installation tool?

Is there a heat-cycle need for the seal to seat?

Suggestions? I'm running out of options and don't want to keep putting in seals.

Nick
1993 K75S
1991 R100RT
1982 Yamaha XJ650RJ Seca
1978 R100S

Last edited by stokester; Apr 24th, 2014 at 1:52 pm. Reason: Added info...
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post #2 of 2 (permalink) Old Apr 27th, 2014, 6:15 am
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Join Date: May 2007
Location: Belton, Tx, USA
Posts: 140
Paul Glaves reported a 50% success rate on his pump rebuild attempts. Based on that, I took my pump to a trusted dealer mechanic and he did the work and I installed the pump. The trick is finding a mechanic that is proficient in doing the pumps.

Ron Cooper

91 K75RT
75RT is offline  
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