Maintenance & Technical > KX500 Original

Leaky Pipe Fix

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Larry Wiechman:
 The o-rings had worn grooves in the exhaust port counterbore so deep that even new o-rings and a shot of high temp RTV couldn't keep the goo from leaking.
 
The Fix:


Bore out the counterbore and press in a stainless steel sleeve.

Danger4u2:
Man, nice work.  Did you glass bead blast?

BDI:
That's awsome :-) great work it's about time someone did something to fix this problem.

barryadam:
That looks fantastic.  Did you cut the outlet oversize or just press the insert into the worn port?  If so, did you mill the bottom flat as well?

I like the ss bore AND the end flange.

Didja make more while you were at it?  hmmm?   :-D

Larry Wiechman:

--- Quote from: Danger4u2 on August 12, 2009, 04:13:19 PM ---Man, nice work.  Did you glass bead blast?

--- End quote ---

Thanks!
 
The aftermath of glass bead blasting is real hard to clean up. Always seems to be a little bit of the dust or beads imbedded in the soft aluminum or stuck in a porosity. A very small amount will do a lot of damage. Tapped holes + glass beads = broken bolts. My workload of broken/stripped fastener repairs went through the roof after Friendly Local Dealer got a Snap-On benchtop blaster. OK, rant over.
 
The casting in the picture was cleaned by soda blasting. The process is about the same as glass beads, but the blast media (baking soda) is not reused. Clean up with hot soapy water.

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