Originally Posted by RichardV6
That's the guy K thumbs . I notice I get a double hiss at the bottom of travel as interconnecting valve between two cylinders operates.

That must be the turbo dump valve...🤔


Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900