Instructions / Assembly

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35
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2) TORQUE OF IMPORTANT BOLTS
Items
80/100 180-3/210/225
Specica-
tions
Torque
Valve
Specications
Torque Valve
N
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m Kg
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m N
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m Kg
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m
Connection-Rod Bolt M6×25 12 1.2 M6×1.25 (special) 13 1.3
Cylinder Head Bolt M8×55 32 3.2
M10×1.25 35 3.5
Flywheel Nut M12×1.5 55 5.5
M14×1.5 (special) 85 8.5
Lock Nut Of Rocker
Arm Shaft
M6×0.5 10 1.0
M6×0.75 10 1.0
Rocker Arm Stud M6×1 24 2.4
M8×1.25 (special) 24 2.4
Crankcase Bolt M6×25 11 1.1
M8×1.25 28 2.8
2. 300 390 420
1) MAIN SPECIFICATION
Model
Specication
300 390 420 440
L×W×H
430×392×425mm 480×320×440mm 480×320×440mm 480×320×440mm
Dry Weight 26kg 32kg 32.5kg 32.5kg
Engine Type 4-Stroke, OHV, Single Cylinder
Displacement 301ml 389ml 420ml 438ml
Compression Ratio 8.2:1 8.0:1 8.2:1 8.5:1
Bore × Stroke 80×60mm 88×64mm 90×66mm 92×66mm
Maximum Output Power
6.0kW/3,600r/min 7.6kW/3,600r/min 8.5kW/3,600r/min 8.5kW/3,600r/min
Maximum Torque 18N·m /2,500r/min 23N·m /2,500r/min 25N·m /2,500r/min 27N.m/2,500r/min
Cooling System Forced Air-Cooled
Ignition System Transistorized Magneto Ignition(TCI)
Spark Plug F6TC BP6ES (NGK) / F6RTC (NHSP)
Lubrication System Forced Splash
PTO Shaft Rotation Counterclockwise
SPECIFICATIONS