Register free!
Search
 
     

The Green Industry's Resource Center


Click for Weather
Reply
 
Thread Tools Display Modes
  #1  
Old 07-19-2013, 05:28 PM
MisterBreeze MisterBreeze is offline
LawnSite Member
 
Join Date: Dec 2010
Location: Union County, NC
Posts: 74
Stihl FS90. valve adjustment

I would like to do a valve adjustment on my FS 90. I bought the feeler gauge and found that adjusting each valve to the specified thickness did not work. I played with it and found an acceptable adjustment but is still not running its best. Any other ideas? Next stop will be the repair shop
Reply With Quote
  #2  
Old 07-19-2013, 06:06 PM
BigFish's Avatar
BigFish BigFish is offline
LawnSite Bronze Member
 
Join Date: Jul 2008
Location: chesapeake, va
Posts: 1,644
Google "4 mix valve adjustment"
__________________
" But let me tell you something ,folks: You can't fix stupid! There's not a pill you can take, there's not a class you can go to. Stupid is forever!"

......AMF!
Reply With Quote
  #3  
Old 07-19-2013, 06:06 PM
dieselss dieselss is online now
LawnSite Senior Member
 
Join Date: Apr 2012
Location: highland in
Posts: 582
Well what's it doing? And how are you adjusting the valves? Pretty straight foward job to do tho
Reply With Quote
  #4  
Old 07-19-2013, 06:10 PM
ArtLikeLandscapes ArtLikeLandscapes is offline
LawnSite Member
 
Join Date: Jun 2013
Location: South GA / North FL
Posts: 108
Did you do it while the engine was cold? Did you do the decoking of the valves?
Reply With Quote
  #5  
Old 07-19-2013, 06:28 PM
BigFish's Avatar
BigFish BigFish is offline
LawnSite Bronze Member
 
Join Date: Jul 2008
Location: chesapeake, va
Posts: 1,644
Quote:
Originally Posted by BigFish View Post
Google "4 mix valve adjustment"
http://www.google.com/url?sa=t&rct=j...49478099,d.cGE
__________________
" But let me tell you something ,folks: You can't fix stupid! There's not a pill you can take, there's not a class you can go to. Stupid is forever!"

......AMF!
Reply With Quote
  #6  
Old 07-19-2013, 06:53 PM
Stillwater Stillwater is offline
LawnSite Platinum Member
 
Join Date: Mar 2006
Location: The United States
Posts: 4,250
Are you running the right gas most don't....
Reply With Quote
  #7  
Old 07-19-2013, 07:49 PM
ricky86 ricky86 is online now
LawnSite Bronze Member
 
Join Date: Aug 2008
Location: Monmouth Cty N.J.
Posts: 1,263
Quote:
Originally Posted by MisterBreeze View Post
I would like to do a valve adjustment on my FS 90. I bought the feeler gauge and found that adjusting each valve to the specified thickness did not work. I played with it and found an acceptable adjustment but is still not running its best. Any other ideas? Next stop will be the repair shop
You mean the adjustment procedure they tell you is wrong???????
Or the problem wasn't the valve lash?
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not 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

Forum Jump





Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012, LawnSite.comô - Moose River Media
All times are GMT -4. The time now is 01:13 PM.

Page generated in 0.07720 seconds with 9 queries