Spark plug gap 0.03 – 0.04 in
(0.8 – 0.9 mm)
Valve clearance
(cold)
Intake: 0.005 ± 0.001 in
(0.12 ± 0.03 mm)
Exhaust: 0.011 ± 0.001 in
(0.28 ± 0.03 mm)
Item English
3.07 x 2.06 in
0.31 in
Cylinder arrangement
Bore and stroke
Displacement
Compression ratio
Engine oil capacity
After draining
After draining and
oil filter change
After disassembly
After disassembly
Transmission oil
capacity
After draining
Type
Identification number
Main jet (standard)
Jet needle (standard)
Piston valve
FCR03A
# 130
NCYU
Needle clip position
(standard)
Slow jet (standard)
Pilot screw opening
Float level
Idle speed
Liquid cooled, 4-stroke
2rd groove
# 40
2 turns out
1,700 ± 100 rpm
Type
Metric
660 cm
3
690 cm
3
850 cm
3
670 cm
3
750 cm
3
78.0 x 52.2
mm
8.0mm
Engine
Carburetor
12.9 : 1
Clutch type
Transmission
Primary reduction
Gear ratio I
Gear ratio II
Gear ratio III
Gear ratio IV
Gear ratio V
Final reduction
Item English Metric
Drive train
Electrical
Wet, multi-plate type
5-speed, constant mesh
3.611
2.384
1.750
1.333
1.041
0.814
3.786
NGK
DENSO
NGK
DENSO
Gear shift pattern
Ignition
Starting system
Spark plug :
Standard
For extended high
speed riding
ICM
Startermotor, Kickstarter
Battery 12V-4 Ah
Light
Head light 12V-35 W
Fuse
Main fuse 15 A
Left foot-operated return
system 1-N-2-3-4-5
IMR8C-9H
VUH24D
IMR9C-9H
VUH27D
15.22 cu-in
0.70 US qt
0.73 US qt
0.90 US qt
0.71 US qt
0.79 US qt
249.4 cm
3
After disassembly
Cooling system,
capacity
After draining 1.19 US qt (1.13R)
1.27 US qt (1.20R)
Single disc brake
60.6 in
2
(391.1 cm
2
)
Overall length
Overall width
Overall height
Wheelbase
Seat height
Footpeg height
Ground clearance
Item English
85.5 in
32.6 in
49.6 in
58.3 in
37.7 in
17.0 in
13.6 in
Metric
Type
Dimension
Frame
Fork oil capacity
(except fork damper
per leg)
F. suspension
R. suspension
Tire size, front
Tire size, rear
F. brake, swept area
Tire pressure, front (cold)
R. brake, swept area
Fuel capacity
Caster angle
Trail length
Twin tube
Telescopic fork,
travel 11.0 in (280 mm)
stroke 12.4 in (315 mm)
Pro-link,
travel 12.3 in (312 mm)
80/100 – 21 51M
DUNLOP D742F
DUNLOP D756
100/100 – 18 59M
Single disc brake
51.8 in
2
(334.5 cm
2
)
27 54
2.19 US gal
4.6 in
15 psi (100kPa, 1.0 kgf/cm
2
)
Tire pressure, rear (cold)
15 psi (100kPa, 1.0 kgf/cm
2
)
11.5 US oz
340 cm
3
118 mm
8.3R
Fuel reserve capacity 0.40 US gal 1.5R
2,172 mm
827 mm
1,261 mm
1,481 mm
958 mm
432 mm
346 mm
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