2000 timberwolf yfb250fw middle drive seal - Yamaha Forum : Your Yamaha Motor Products Community & Resource
LinkBack Thread Tools Display Modes
post #1 of 3 (permalink) Old 12-05-2011, 02:55 PM Thread Starter
Junior Member
Join Date: Dec 2011
Posts: 3
2000 timberwolf yfb250fw middle drive seal

Looking for some help on how change the front seal on the middle drive. I have a severe oil leak coming from the seal for the front drive shaft. All the drawings I have seen look as if it is pressed in from the inside. This means that I have to dis-assemble the entire drive assembly?
tman is offline  
Sponsored Links
post #2 of 3 (permalink) Old 12-09-2011, 07:49 PM
Sand Expert
itsmygame's Avatar
Join Date: Oct 2008
Location: Calimesa, CA
Posts: 844
I've been around the block afew times and have never seen a seal mounted from the inside. It goes agaisnt there basic principle. To keep fluid in. Have someone that knows more to make sure. If it is acessable from the outside then I would pull it. If the oil leak is that bad, whats to lose.
itsmygame is offline  
post #3 of 3 (permalink) Old 12-15-2011, 06:51 AM Thread Starter
Junior Member
Join Date: Dec 2011
Posts: 3
It was definitely pressed in from the inside behind a pressed in bearing. I have completed the project and fixed the issue but there was definitely some poor design around that! By pulling the swing arm and then using a low profile box end wrench to get the u-joint nut off I was then blocked by the cross over frame rail. I cut out the rail removed the middle drive (repaired and re-installed it) then welded the frame rail back into place. This was by far easier than pulling the complete engine
tman is offline  


Quick Reply

Register Now

In order to be able to post messages on the Yamaha Forum : Your Yamaha Motor Products Community & Resource forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
timberwolf issue (big I think) yamalav General Bike Discussion 7 12-05-2011 08:47 AM
right side fairing and middle Wilblast General Bike Discussion 4 04-05-2011 02:13 PM
Vstar middle gear flyboy107 Search for the Stars 1 12-28-2010 12:15 PM
crankshaft oil seal michael yz 125 Mechanical / How To 2 08-28-2008 08:46 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome