Maintenance & Technical > KX500 Original

stripped oil drain plug

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cbmoor:
Got the oil plug repaired my mate had some of those time inserts and we used one of them. Went for a 10 x 1.25 and made a new drain plug and shortened that!  The original plug is to long because if there is any metal debris in the oil, the original bolt pulls it through the alloy casing and strips the thread as that what's happened to mine. As the crank cases were apart it was a very easy repair and those time inserts come with all that is required and the whole job took 20 min.  :-)

maxfli11:
Just curious. I'm about to have to fix mine. If you do an M10-1.5 time sert, where do you get a new plug and gasket? If i read that right the original plug is M8 1.25?

Foxx4Beaver:

--- Quote from: maxfli11 on June 03, 2019, 11:00:21 AM ---Just curious. I'm about to have to fix mine. If you do an M10-1.5 time sert, where do you get a new plug and gasket? If i read that right the original plug is M8 1.25?

--- End quote ---

When I did mine, roughly 4 years ago...I went heli-coil, and was able to use the original size bolt...just had to drill the drain hole slightly larger. But...I did it with the cases split, so that I could trim the heli-coil to the correct length before "setting" it into place, so it wasn't sticking up higher than the case...otherwise it never would've drained completely, thus leaving any contaminates behind.

Bcsnowbiker:
In the past I have used self tapping oversize drain screw available from your local auto parts store. Much cleaner simpler fix imo.
Use lots of grease when tapping and no need to split the cases.
Only downside is that you will now have a standard bolt on your metric bike.
When I just split my cases recently on my kx5 I found I have a helicoil in the drainplug that ends well into the cases 😖

Foxx4Beaver:

--- Quote from: Bcsnowbiker on June 04, 2019, 05:13:38 PM ---Use lots of grease when tapping and no need to split the cases.

--- End quote ---

My cases were split for complete bearing replacement, so it was the perfect time to do it, strictly for the reason so it could be trimmed. 

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