CHECKING THE THROTTLE SLIDE
The rollers (1) on the throttle slide should be easy to turn
and not have any flat areas.
Check the throttle slide shim (2) for damage.
ASSEMBLING THE KEIHIN FCR-MX 39/41
– Mount the idle-air jet (3) and the main air jet (4).
– Place the O-ring (5) in the groove and attach the intake
trumpet to the carburetor with the 2 screws.
– Insert the fuel connection in the carburetor and fix with
the screw (6).
NOTE: The connecting piece should be easy to
turn when mounted.
– Mount and actuate the choke slide (7) and the hot start
knob (8) several times, checking for smooth operation.
Also make sure that the choke and the hot start knob