RCU Forums - View Single Post - YS91FZ problems
Thread: YS91FZ problems
View Single Post
Old 07-23-2003 | 08:02 PM
  #5  
Dave Shadel
Senior Member
 
Joined: Apr 2002
Posts: 5,385
Likes: 0
Received 1 Like on 1 Post
From: Gardnerville, NV
Default YS91FZ problems

A series of holes drilled through the top of the piston behind the ring for better ring seal.