19
P
OWER
B
LOWER
O
PERATOR
'
S
M
ANUAL
Adjusters
Idle Speed Adjuster (T)
Control throttle opening at idle.
Low Speed Mixture Adjuster (L)
Controls amount of fuel at low
speed and supplementary fuel for
smooth progression from idle to
high
speed.
High Speed Mixture Adjuster (H) Controls amount of fuel at full
throttle
Before Adjustment
Check that:
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- Spark arrestor screen and exhaust port are free of carbon
- Blower pipes are installed
Initial Adjustment
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2. Turn L adjuster midway between stops.
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then turn three turns clockwise.
Final Adjustment
IMPORTANT
Limiter caps prevent exceeding emission limits and over rich
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-
gine failure: Do not exceed recommended high speed engine rev
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-
ating choke twice to clear air from carburettor chambers.
3. Run at idle and accelerate to check for smooth transition from idle
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1/8 turn at a time until acceleration is smooth.
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NOTE
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-
tributor or dealer.
T
L
H
