Maintenance & Technical > KX250 / KX125

'99 KX250 Rehab (Budget Rebuild)

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ecdeyzel:

--- Quote from: Foxx4Beaver on July 21, 2015, 05:59:17 AM ---
--- Quote from: ecdeyzel on July 21, 2015, 01:22:41 AM ---Are there any other DIY methods anybody can suggest? Can I boil the cylinder block to remove the wors of the oil and gunked up carbon or will it affect the cylinder in a negative way?

I will post some pics soon of my progress.

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pipe cleaning brushes and degreaser work great for DIY...



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Yea, thats a great idea, thanks Foxx! And any suggestions for the other areas? Like this...



I managed to get the cover nice and clean, but doing it in the actual block is another story. Took me almost 2 hours just to get the cover nice and clean like that.

A shot before removing everything



Before cleaning



After on cylinder head





Shot of the cylinder




Can anybody tell me what this nut is for? I tried to remove it. It screws out, but the get tighter the more I remove it. I didn't want to force it, so just left it.

ecdeyzel:

--- Quote from: Actionman on July 21, 2015, 04:30:58 PM ---
--- Quote from: ecdeyzel on May 14, 2015, 11:26:42 PM ---Hey guys, while I was at home for lunch I quickly counted the spokes and both are 36. So thats good, and they are both 1.60, should work alright.

I pondered about the rim lock a bit and thought of this...I've been riding my DR650 pretty hard off road and run it at 1 bar. It doesn't have a rim lock and never had issues with tearing the tubes, so I am actually not to phased about the rim not having a spot for a rim lock.

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I drilled a 8mm hole opposite the rimlock on my 97 rm250. Instead of a rimlock i put a bolt through and added washers that were the same weight as my rimlock to balance out my wheel. It smoothed out my ride a lot (i ride about six miles on the highway to get to my trails). Before i did that the bars would move up and down like a jackhammer from imbalance. Just be sure to chamfer the new hole and drill it the same distance from both adjacent spokes and i think itll be fine as long as the rim isnt cracked anywhere else.

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Hey Actionman! Thanks for the advice on the rim. For now, I will try and run the front without a rim lock when the bike is up and running. If something goes wrong and I see that I definitely need a rim lock I will attempt drilling a hole. Figured a problem without running rim lock might be cheaper than if I have a problem after drilling a hole, so will try the cheaper option first.  :-P

sandblaster:
I run light weight rim locks from Motion Pro



Then, I balance my wheels....  :-o

Cleaning?
There are many methods discussed on this forum.
Boiling, baking, oven cleaner, soda blasting, sand blasting, acid washing, hot water pressure washing, scotch brite... ect...
I use vapor blasting








umberto:
Showoff.   :-D

Foxx4Beaver:

--- Quote from: ecdeyzel on July 21, 2015, 11:52:31 PM ---Yea, thats a great idea, thanks Foxx! And any suggestions for the other areas? Like this...



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I use my buddies solvent tank down the street for the internals.

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