8-23
12. Remove the carburetor, and then remove
the float chamber by removing the
screws.
1. Float chamber 2. Screw (× 4)
13. Remove the float and needle valve.
1. Float 2. Needle valve 3. Main jet
14. Change the main jet and the jet needle
clip position. (See page 8-20.)
NOTE:
Optional main jets can be obtained at a Yamaha
dealer.