81MS 192 T
: Position the prestressed torsion
spring so that it rests against the
shoulder (arrow) of the
carburetor body.
217RA331 TG
: Install the circlip.
217RA206 TG
: Fit the throttle shutter (1) with the
dent (3) on the left and the
number (2) visible on the right.
217RA207 TG
1
3
: Insert the screw (1) in the flat side
of the shaft and tighten it down
moderately.
– Close the throttle shutter (2) and
centre it in the bore of the
carburetor body.
217RA208 TG
1
2
The notch (arrow) on the throttle
shutter must line up with the small
bore in the carburetor body.
– Tighten down the screw.
– Check correct functioning and
easy movement.
– Secure the screw with Loctite,
b 16
– Remove the throttle shaft,
b 14.3.6
Keep a finger over the hole (arrow)
to prevent parts popping out.
217RA360 TG
– Examine the pump piston (1),
sealing ring (2) and spring (3) and
replace if necessary.
1 2 3
217RA361 TG
s
Press the pump piston with spring
into the hole (arrow) before
installing the throttle shaft (1).
– Reassemble remaining parts in
reverse order.
217RA362 TG
14.3.7 Accelerator Pump