53MS 210, MS 230, MS 250
– Remove the carburetor box cover 
– b 11.1.
: Take out the screw.
– Swing the handle molding up and 
lift it away.
VA
135RA156
– Move the Master Control lever to 
the normal "RUN" position.
: Pull the interlock lever out of its 
seat.
VA
135RA157
: Remove the throttle rod from the 
throttle trigger.
: Use a 4 mm (5/32") drift to drive 
out the cylindrical pin (1).
: Remove the throttle trigger (2) 
and torsion spring (3).
: Take the torsion spring off the 
throttle trigger.
: Fit the throttle trigger so that the 
seat for the throttle rod points 
upward.
: Use a 4 mm (5/32") drift to push 
home the cylindrical pin.
VA
208RA047
: Push the throttle rod into the 
throttle trigger.
VA
208RA048
: Press the interlock lever into the 
slots. The torsion spring must be 
under the interlock lever and 
engage the notch.
VA
135RA161
: Press the interlock lever (1) 
downward.
: Push the throttle trigger upward 
and move the Master Control 
lever (2) to the "Choke" position.
2 1
VA
135RA162
9.6 Throttle Trigger/
Interlock Lever