RCU Forums - View Single Post - YS91 AC lean on top end
Thread: YS91 AC lean on top end
View Single Post
Old 04-25-2003 | 10:41 PM
  #2  
Dave Shadel
Senior Member
 
Joined: Apr 2002
Posts: 5,385
Likes: 0
Received 1 Like on 1 Post
From: Gardnerville, NV
Default YS91 AC lean on top end
It needs some work. This engine was made long before the gas port mod in the piston and it has the symptoms of an engine that leaks past the ring and messes up the regulator function.

I think a trip to service is in order.

YS Service
1295 Industrial Court
Gardnerville, NV 89410

Phone 775-782-4562
Dave Shadel is offline  
Reply Like