99FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
: Position gasket (1) with pump 
diaphragm (2) on the end 
cover (3) so that the 
protrusions (arrows) match and 
are secured via the pins (4)
– Position the end cover (1) on the 
carburetor housing from below so 
that the gasket and pump 
diaphragm remain secured to the 
end cover
: Orient end cover (1) so that the 
protrusion (arrow) is on the same 
side as the idle speed screw LA 
and fit until the pins of the end 
cover align with the holes in the 
carburetor housing
5904RA358 TG
1
3
2
4
4
5904RA359 TG
1
– Check that the pump diaphragm 
and gasket are correctly seated
: Hold end cover (1) in position, 
screw in and tighten screw (2) 
– Reassemble remaining parts in 
reverse order
11.4.4 Throttle shaft lever
– Remove the carburetor, b 11.3
– Troubleshoot carburetor, b 3.6
: Remove screw (1)
: Remove lever (2)
5904RA360 TG
2
1
5904RA361 TG
1
2
Installation
: Orient lever (2) so that the hook 
engages the choke 
lever (arrows)
: Slide the lever (2) onto the 
throttle shutter shaft so that it 
aligns with the flat faces (3) 
: Screw in the screw (1) and 
tighten
Checking operation
In the "warm start" position, 
lever (1) must engage the 
notch (arrow) of lever (2) and align 
with the contact surface of the cam.
5904RA362 TG
123
5904RA363 TG
2
1