Husqvarna YTH180 Owner's Manual page 25

SERVICE AND ADJUSTMENTS
ACCELERATION TEST -
• Move throttle control lever from slow (
position. If engine hesitates or dies, turn idle mixture
screw out (counterclockwise) 1/8 turn. Repeat test and
continue to adjust, if necessary, until engine acceler-
ates smoothly.
High speed stop is factory adjusted. Do not adjust-damage
may result.
IMPORTANT: NEVER TAMPER WITH THE ENGINE
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE
T H E F A C T O R Y H I G H S P E E D S E T T I N G C A N B E
DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
N E A R E S T A U T H O R I Z E D
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E T O
ADJUSTMENTS.
CASING STOP SCREW
CLAMP
SCREW
THROTTLE
CABLE
) to fast (
S E R V I C E C E N T E R /
M A K E A N Y N E C E S S A R Y
SPEED CONTROL
LEVER
FIG. 36
)
STOP
SCREW
IDLE SPEED
ADJUSTING
SCREW
25
SPEED
CONTROL
LEVER
FIG. 37
IDLE FUEL
ADJUSTING
NEEDLE
MAIN FUEL
ADJUSTING
NEEDLE
FIG. 38