KX Riders

Maintenance & Technical => KX250 / KX125 => Topic started by: TwiceDead on May 24, 2013, 05:41:40 AM

Title: Mysterious Case hole? How to deal with this on rebuild?
Post by: TwiceDead on May 24, 2013, 05:41:40 AM
Hey guys, just finished repairing the clutch side of my case that had a nice crack in it.  Was getting ready to clean up the ignition side of the case and weld this small hole.  Until I came to my senses and noticed that it could actually be for oil drainage of somesort?  Is this supposed to be here... it looks cast in place.  I could see that they probally didn't want oil to collect in the ignition side to much, but wouldn't this cause a good amount to leak over time?

BTW guys, I am a diesel mechanic.  The smallest engine I have ever overhauled was a ford 351 before this, its almost like a totally new avenue for me!  Any help would be appreciated!

(https://dl.dropboxusercontent.com/u/10715533/kx250pic/doctored/100_0882.JPG)
Title: Re: Mysterious Case hole? How to deal with this on rebuild?
Post by: sandblaster on May 24, 2013, 06:31:30 AM
What is the year and model?
Title: Re: Mysterious Case hole? How to deal with this on rebuild?
Post by: TwiceDead on May 24, 2013, 06:34:08 AM
2000 kx250

Thanks for your quick reply!  I was thinking if this was supposed to be here, i'd stick a straw in there or maybe some small red straws from a can of lubricant or something!
Title: Re: Mysterious Case hole? How to deal with this on rebuild?
Post by: sandblaster on May 24, 2013, 06:54:04 AM
Yes, it is suppose to be there...

Title: Re: Mysterious Case hole? How to deal with this on rebuild?
Post by: TwiceDead on May 24, 2013, 09:46:31 AM
thanks sand blaster!  Another step closer!  You guys are the best!
Title: Re: Mysterious Case hole? How to deal with this on rebuild?
Post by: motopunk on May 24, 2013, 09:52:18 AM
Hey guys, just finished repairing the clutch side of my case that had a nice crack in it.  Was getting ready to clean up the ignition side of the case and weld this small hole.  Until I came to my senses and noticed that it could actually be for oil drainage of somesort?  Is this supposed to be here... it looks cast in place.  I could see that they probally didn't want oil to collect in the ignition side to much, but wouldn't this cause a good amount to leak over time?

BTW guys, I am a diesel mechanic.  The smallest engine I have ever overhauled was a ford 351 before this, its almost like a totally new avenue for me!  Any help would be appreciated!

(https://dl.dropboxusercontent.com/u/10715533/kx250pic/doctored/100_0882.JPG)

this is a drainhole for the case that water comes behind the ignition-cover and so it can go out on this indirectly way and does not damage the coils on the statorplate...

... the 95 that i had a long long time ago didnīt had this hole ... and in the first days i had this bike, it was a sparkplug-eater!  than i found out, there was a lot of water behind ignition-cover, dried it and after that, we added this hole and i believe, it runs still with the same plug...  :-D
Title: Re: Mysterious Case hole? How to deal with this on rebuild?
Post by: TwiceDead on May 24, 2013, 12:59:26 PM

this is a drainhole for the case that water comes behind the ignition-cover and so it can go out on this indirectly way and does not damage the coils on the statorplate...

... the 95 that i had a long long time ago didnīt had this hole ... and in the first days i had this bike, it was a sparkplug-eater!  than i found out, there was a lot of water behind ignition-cover, dried it and after that, we added this hole and i believe, it runs still with the same plug...  :-D

Good thing I didn't weld it over!  I'm crazy when I get started with this machine, gona make a kickstand too I think while I'm at it.  Its a real Idea Machine!