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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: jay1622 on June 18, 2016, 01:13:06 PM
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Any chance of a coolant seal break-in?
On my fifth start-up post rebuild, but first time allowing the engine to get hot enough for the fan to engage, I ended up getting a few drops of coolant out of the weep hole. The oil/water pump portion of the rebuild went smoothly and I used the updated impeller, seals and stuff. The shaft of the impeller drive gear had signs of discoloration, but was in no way worn or pitted. If it was a low-fairingless K, I'd say screw it and see how bad it gets.
Thoughts?
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You still have a problem it's not going to fix it's self. Apparently they can be really finicky to repair. There are posts on the problem.
Regards Martin.
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I gave up trying to reseal my pump and installed a used K1200LT pump from eBay
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Any chance of a coolant seal break-in?
On my fifth start-up post rebuild, but first time allowing the engine to get hot enough for the fan to engage, I ended up getting a few drops of coolant out of the weep hole. The oil/water pump portion of the rebuild went smoothly and I used the updated impeller, seals and stuff. The shaft of the impeller drive gear had signs of discoloration, but was in no way worn or pitted. If it was a low-fairingless K, I'd say screw it and see how bad it gets.
Thoughts?
Is it leaking more or less than before?
I've mentioned my trials with a pump seal on this and other forums. After two tries and then finding out that the updated ceramic seal requires a different sized spacer bushing than the original, I'm leak-free.
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No telling as the bike wasn't running when I bought it.
I installed a new shaft and went with another set of seals (oil and water). I believe I pushed (separated) the coolant seal on my last rebuild. Time will tell on this one.