00' yz250 bottom end

[bwarlick2]

ok i got a 2000 yz250 for 500 bucks i know i would have some problems now im doing a top and bottom end job does anyone know how to split cases or what i need to look out for when doing this? i have only done top ends on banshees but never a bottom end on this yz250 can anyone help?

 

[Tom68]

Whilt your waiting for an answer, might pay to download a manual.

 

[bwarlick2]

where can i download a manual? the only manual i can find is the yamaha one and its about 75 bucks! do you know where i can download one?

 

[tcuda499]

75 bucks is well worth the cost, cheaper than pulling it apart and than sending it to a shop to put it back together. :nener:

 

[hellbertos]

Agreed... get a manual. Sometimes you can find Clymer service manuals on ebay for 20-30bux. $75 is worth it if you are opening up your bottom end for the first time. I just split my first cases recently and I was very glad to have the manual there. Very helpful.

You'll need a case splitter to do the job properly. Trust me, you'll want it so you aren't tempted to get the screw driver out and pry it apart. You can get specialized moto ones from on-line moto retailers or go to harbor freight for a generic splitter.

What to look out for? I'm a rookie but I can tell you right now, you'll want to keep everything in order and do it slowly. There are a lot of parts in and around hte cases. Easy to mess it up.

 

[2strokerfun]

Here's a free manual:

http://www.yamahaownershandbook.com.au/index.php

go to "support" tab at top--pick view owners manuals
Enter "motorcycle"; "yz250" and pick year at left
click on your manual. takes a few minutes to download.

Thank IndyMX, who I got this site from

 

[bwarlick2]

i got the cases split now im trying to press out the crank is there any way i can get it out with out a press? does anyone know any tricks

 

[Dirtymotonut]

I just did mine and heated up the case with a torch around the crank then beat it out with a rubber hammer came out easy sort of!

 

[hellbertos]

Mine took similar coaxing w/ a rubber mallet. I didn't need to heat it up. I just worked it w/ some firm hits from the mallet and it eventually broke free. It didn't take a ton of force but several solid shots were needed.

 

[Tazman822]

From blackduc98 on another thread
http://www.dirtrider.net/forums3/showthread.php?t=166259&highlight=split+case

Bottom end rebuild in 26 minutes:
http://www.youtube.com/watch?v=kYX-bOG9vR4
http://www.youtube.com/watch?v=vVKeT8Mh2dQ
http://www.youtube.com/watch?v=ti_UkR3XjyE

Top end in less than 10 minutes:
http://www.youtube.com/watch?v=-FFIWtqU5Zc

and a few more useful videos:
http://www.youtube.com/user/RockyMountainATVMC

Rocky Mountain sells a few tools that are similar to MotionPro but less expensive. I bet one of these would be sweet for removing that pesky bottom bearing off the steering stem:

http://www.youtube.com/watch?v=q38HUzr043c

 

[inotocracy]

You got a 2000 YZ250 for $500? Damn, whats wrong with it??