ADJUSTMENTS
TO ADJUST REMOTE THROTTLE CONTROL
If the engine does not start or if it runs roughly, the remote throttle control may need adjustment. See your authorized Briggs & Stratton dealer or follow the instructions below.
THROTTLE
STOP
CASING
SWIVELCLAMP
SCREW
[1]Move throttle control to FAST. (Swivel should be against throttle stop.)
[2]If not, loosen casing clamp screw. Move casing and wire in direction shown by arrow until swivel is against throttle stop.
[3]Tighten casing clamp screw.
CARBURETOR ADJUSTMENT
WARNING
The manufacturer of the equipment on which this engine is installed specifies top speed at which the engine will be operated. DO NOT EXCEED this speed.
Differences in fuel, temperature, altitude or load may require minor carburetor adjustment. Air cleaner and air cleaner cover must be assembled to carburetor before starting engine.
The carburetor on this engine is low emission. It is not adjustable except for idle speed. Governed idle speed is1750 rpm, set at the factory.
TO ADJUST CARBURETOR
Double Barrel
IDLE
SPEED
SCREW
CARBURETOR
THROTTLE
LEVER
Single Barrel
IDLE
SPEED
SCREW
CARBURETOR
THROTTLE
LEVER
[1]Start engine and warm up approximately 5 minutes before adjusting.
[2]With engine running, place throttle control in SLOW position.
[3]Rotate carburetor throttle lever against the idle speed screw and hold it.
[4]Turn idle speed screw to obtain 1500 rpm.
[5]Release carburetor throttle lever. Move throttle control to FAST position. Engine should accelerate smoothly.
Note: Engines operated at about 3000 feet (900 meters) or higher above sea level may require a high altitude carbure- tor main jet. If erratic performance is observed, contact a Briggs & Stratton Authorized Service Dealer for cost to install/purchase a high altitude carburetor main jet.
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