Posted by Tim on April 02, 2003 at 18:31:18:
In Reply to: Yamaha valves posted by Chad on April 02, 2003 at 18:05:26:
I had the same problem . . . It took me about a year to get my valves working correctly. Keep them clean and the casing. Try not to mix any oils. I've had my horn for several years now and they work great. Be patient!