Replacement Part List

Adjustment Specifications
Engine Specifications
Part
Specification
Item
Specification
Carburetor idling
1700 ± 150 rpm
Model
192F
Valve clearance
(cold)
Intake: .006 in ± .001 in.
(0.15mm ± 0.02mm)
Exhaust: .008 in ± .001 in.
(0.20mm ± 0.02mm)
Ignition system
Non-transistorized ignition
(TCI)
Spark plug type
BPR6ES (NGK)
RN9YC (Champion)
WR7DC (Bosch)
W20EPR-U (Denso)
Shaft Rotation
Counterclockwise
Spare plug clearance
.027-.031 in. (0.7-0.8 mm)
Bolt Torque Value
Timing Distribution
Bolt
Torque Value
Intake Open
BTDC 10°
Cylinder head bolt
18 ft. lb. (24 NM)
Intake Closed
ABCD 20°
Flywheel bolt
50 - 60 ft. lb. (70-80 NM)
Exhaust Open
BBDC 30°
Crankcase bolt
18 ft. lb. (24 NM)
Exhaust Closed
ATDC 10°
Tie-rod bolt
9 ft. lb. (12 NM)
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