Yamaha Discussions about Yamaha ATVs.

1986 yfm 225 moto 4 vavle clearance

Thread Tools
 
Search this Thread
 
  #1  
Old 01-26-2011 | 01:43 PM
Austindsb's Avatar
Thread Starter
|
Weekend Warrior
Joined: Oct 2010
Posts: 5
Likes: 0
Default 1986 yfm 225 moto 4 vavle clearance

i need the valve clearance for a 1986 yamaha moto 4 that is bored .50 over (70.55mm) any help on this would be awesome
 
  #2  
Old 02-13-2011 | 10:13 AM
the flash's Avatar
Weekend Warrior
Joined: Feb 2011
Posts: 2
Likes: 0
Default

Valve clearance when cold should be set at 0.05~0.09mm (0.002~0.004 in) for the intake and 0.11~0.15mm (0.004~0.006 in) for the exhaust.

Hope this helps. This is for a factory spec cylinder though don't know what this would do with a bored out cylinder?
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
wendal
Yamaha
28
08-03-2024 10:03 PM
fredrikrosen
Chinese Quads
14
10-29-2016 07:56 PM
dunerv8
Technical and How-To Articles
0
09-14-2015 10:11 AM
zPuls3
1) Engine problems..
5
09-12-2015 08:54 AM
mrmickman123
Technical and How-To Articles
0
08-30-2015 10:37 PM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


Quick Reply: 1986 yfm 225 moto 4 vavle clearance



All times are GMT -5. The time now is 03:26 AM.