Maintenance & Technical > KX500 Original

stripped oil drain plug

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cbmoor:
Stripped the top end of my KX5 tonight to install a new piston and found a little play in the conrod so carried on and stripped down the whole engine. But found the gearbox oil drain was stripped and now was wondering what is the best type of repair. The thread is 8x1.25 and I have a helicoil that could work but I have also got 8x1.00 inserts sleeves and was wondering if anyone else out there has had the same type of problem and what was the best repair that worked out for them. I would like to get this right first time as there is not much room for error cheers for any input

BDI:
Time-serts good  :-) helicoil bad  :x not to mention time-serts use a smaller hole then helicoil for the same size repair.

3Razors:
I'm in the process of doing a timesert 10m x 1.50 for my K5 drain plug.  Cheapest place I could find on online was about $60 plus 10 shipping.  It should be better than new with this setup.  I bought the bike used and the hole was already lightly stripped so I have been using a piece of rubber tubing inside the drain hole with a small bolt screwed inside the rubber tubing. Believe it or not it has held up the whole time.  Whenever I change the oil I just used another piece of rubber tubing.

cbmoor:
Ok thanks for the input I will go with the solid inserts, ordered the conrod kit and main bearings and new crankseals hopefully they arrive soon and be up and running later this week. :-)

sintax:

I know its already been said, but i'll say it again. Time-sert is the way to go. I just did one of these on my GF's KDX. Took me 45 min or so. Laid the bike down on its side, used a ton of grease to keep the alum flakes from ending up in the case. Just take your time with it, keep everything perpendicular to the case.

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