TRANSMISSION
SD
S3D
Type
single speed
3-speed
Ground Speeds
2.8 mph (4.5 km/h)
1st: 1.8 mph (2.9
km/h)
2nd: 2.7 mph (4.3
km/h)
3rd: 3.4 mph (5.4
km/h)
MAINTENANCE
Fuel
Unleaded gasoline with a pump
octane rating of 86 or higher
Engine Oil
SAE 10W-30, API SH or SJ
Transmission lubricant (SD)
Grease (NLGI #2)
See shop manual.
Spark Plug Type
(Resistor plugs reduce
interference with radio and
television reception.)
Regular:
NGK – BP6ES
DENSO – W20EP-U
Resistor:
NGK - BPR6ES
DENSO - W20EPS-U
Maximum Governed Speed
3,100 +0/-150 rpm
See shop manual.
Throttle Cable
Adjust for proper choke
operation and maximum
governed speed.
See shop manual.
Blade Bolt Torque
36 ~ 43 ft-lb
(5.0 ~ 6.0 kg-m, 49 ~ 59 N
•
m)
TUNEUP
Spark Plug Gap
0.028 ~ 0.031 in (0.7 ~ 0.8 mm)
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.
SPECIFICATIONS
47