Operation Manual

TECHNICAL & CONSUMER INFORMATION
E 53
MAINTENANCE
Fuel Unleaded gasoline with a
pump octane rating of 86
or higher
See page 39.
Engine oil SAE 10W-30 See page 32.
Spark plug type
(Resistor plugs reduce
interference with radio and
television reception.)
NGK - BPR5ES See page 35.
Maximum governed speed
2,850 rpm
See shop manual.
Throttle cable Adjust for proper choke
operation and maximum
governed speed.
See shop manual.
Blade bolt torque 5.0 ~ 6.0 kg-m,
49 ~ 59 N•m
See page 30.
TUNEUP
Spark plug gap 0.7 ~ 0.8 mm See page 35.
Idle speed 1,700 ± 150 rpm See shop manual.
Valve clearance (cold) Intake: 0.15 ± 0.02 mm
Exhaust:0.20 ± 0.02 mm
See shop manual.
Other specifications No other adjustments needed.
Sound power level (according
to Directive 2000/14/EC)
98 dB
Vibration test (according to
project EN1033/1993,
ENV25349/1993, ENV28041/
1993, ISO 5347/1987, and ISO
5348/1987
4.5 m/s
2
+0
–100