Service Repair Manual

CARBURETOR
Unloader Opening
1.
Lightly press the choke valve with a finger to fully close it.
2.
In this state, fully open the throttle valve and measure the
choke valve to choke bore clearance.
Standard value
. . . . . . . . .
1.9-2.1 mm (0.075-0.083 in.)
3.
If the clearance is out of specification, bend the throttle lever
at illustrated portion to adjust the clearance to the standard
value.
Choke Breaker
CAUTION
Check and adjust with the bimetal assembly removed.
1.
Lightly press the choke valve with a finger to fully close it.
2. Push the choke breaker rod toward the diaphragm and
measure the choke valve to choke bore clearance.
Standard value
1st stage
. . . . . . 1.4-1.6 mm (0.055-0.063 in.)
2nd stage
. . . . . . . 2.9-3.1
mm (0.114-0.122 in.)
3.
If the clearance is out of specification, adjust by bending the
throttle lever at illustrated portion.
31-131