Choke Breaker and Unloader Opening Adjustment

UNLOADER OPENING
1. Lightly press the choke valve with a finger to fully close it.

Choke Valve Clearance Check:

2. Starting with the choke valve in this position, fully open the throttle valve and measure the choke valve to choke bore clearance.

CLEARANCE: 0.075-0.083 in.
(1.9-2.1 mm)

Choke Valve Clearance Adjustment:

3. If the clearance is out of specification, bend the throttle lever, at the illustrated portion, to adjust the clearance to the standard value.

CHOKE BREAKER
NOTE: Check and adjust with the bimetal assembly removed.
1. Lightly press the choke valve with a finger to fully close it.

Choke Valve Clearance Check:

2. Push the choke breaker rod toward the diaphragm and measure the choke valve to choke bore clearance.

CLEARANCE:
1st stage: 0.055-0.063 in.
(1.4-1.6 mm)
2nd stage: 0.114-0.122 in.
(2.9-3.1 mm)

Choke Breaker Rod Adjustment:

3. If the clearance is out of specification, adjust by bending the throttle lever as illustrated.