9
oil
Clearance between pipe and
valve stem clearance
0.025~0.052mm
Thickness
of
crankshaft
bearing
bush
A black 1.500~1.494 mm
Valve stem roundness limit 0.03mm B brown 1.494~1.488mm
Measurement conditions:
Ambient temperature 20 ℃.
Lower casing Installation
Item
Data
Item
Data
Backlash
Pinion to spur gear 0.18~0.54mm
Optional gear
shim
0.10,0.12,0.15,0.18, 0.30,0.40,0.50
mm
Pinion to reverse gear
0.71 ~ 1.07 mm
Electrical System
Ignition and Ignition Control System
Item Data Item Data
Ignition
timing
At idle speed TDC 2º±0.5° Magneto resistance (Green-Green) 0.59±0.1Ω
Optional gear filler
plate
BTDC 25°±0.5º
Peak output
of electronic
igniter
Voltage
Secondary output voltage ≥ 34KV
Spark plug clearance 0.8~0.9mm Primary resistance 2.2±0.22Ω
Trigger
coil
Peak voltage ≥13 V@1000 r/min Secondary resistance 9.84±0.98KΩ
Resistance*
260~290 Ω
Rectifier
regulator
output peak
voltmeter
1500 r/min (no load) 41.9 V
Magneto
output
peak
voltage
1500 r/min (no load) 47.2 V 3500 r/min (no load) 99.8 V
3500 r/min (no load) 106 V
* Data for information only
Locking Torque
Specified Torque
Position Name
Thread
specification
Torque
Engine
Spark plug — — 18 Nm
Flywheel Nut M20 160 Nm
Cylind
er head
1
st
tightening
Bolt M9
23Nm
2
nd
tightening 47 Nm
1
st
tightening
Bolt M6
6 Nm
2
nd
tightening 12 Nm
Oil filter — — 18 Nm
Oil filter stud — — 40 Nm
Lock nut (rocker arm) Nut M6x0.75 14 Nm
Engine assembly Bolt M8 21 Nm
Exhaus
t cover
plate
1
st
tightening
Bolt M6
6 Nm
2
nd
tightening 12 Nm
Thermostat cover Bolt M6 7Nm
Crankc 1
st
tightening Bolt M8 15 Nm