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Specifications
Technical Information 135
Overall length
Overall width
Overall height
Wheelbase
Seat height
Footpeg height
Ground clearance
Item
CRF150R
English
72.1 in
30.3 in
44.6 in
49.6 in
32.8 in
14.9 in
11.9 in
Metric
Type
Dimension
Frame
F. suspension
R. suspension
Front tire
Semi double cradle
Telescopic fork
travel 9.5 in (241 mm)
stroke 10.8 in (275 mm)
Pro-link
travel 10.7 in (272 mm)
70/100 – 17 40M
CM
AC
DUNLOP K490G
70/100 – 17 40M
BRIDGESTONE
M23
90/100 – 14 49M
CM
AC
DUNLOP K695
90/100 – 14 49M
BRIDGESTONE
M22
Rear tire
bias-ply, tube
15 psi (100 kPa, 1.0 kgf/cm
2
)
15 psi (100 kPa, 1.0 kgf/cm
2
)
Tire type
Tire pressure, front (cold)
Tire pressure, rear (cold)
F. brake, swept area
R. brake, swept area
Fuel capacity
Caster angle
Trail length
Fork oil capacity
Single disc brake
55.5 in
2
(358.1 cm
2
)
Single disc brake
46.6 in
2
(300.7 cm
2
)
Fuel recommendation
unleaded gasoline, pump
octane number of 91 or
higher
27°2’
1.14 US gal
3.1 in
12.04 US oz
4.3R
78 mm
356 cm
3
Item English
2.60 x 1.72 in
0.28 in
0.80 US qt 0.76R
Cylinder arrangement
Bore and stroke
Displacement
Compression ratio
Valve clearance Intake:
Exhaust:
0.006 ± 0.001 in
(0.16 ± 0.03 mm)
0.010 ± 0.001 in
(0.26 ± 0.03 mm)
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
FCR08D
# 140
NMQT
Needle clip position
(standard)
Slow jet (standard)
Pilot screw opening
Float level
Idle speed
Liquid cooled, 4-stroke
Single 19° inclined from
vertical
0.59 US qt
0.62 US qt
0.74 US qt
0.60 US qt
0.69 US qt
3rd groove
# 38
2 turns out
2,100 ± 100 rpm
Type
Metric
0.56R
0.59R
0.70R
0.57R
0.65R
66.0 x 43.7
mm
7.0 mm
Engine
Carburetor
Cooling System
Coolant capacity
After disassembly
11.7 : 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
4.117
2.214
1.647
1.318
1.105
0.956
3.333
Gear shift pattern
Ignition
Starting system
Spark plug :
Standard
ICM
Kickstarter
Left foot-operated return
system 1-N-2-3-4-5
NGK CR8EH-9
DENSO U24FER9
Spark plug gap
0.031 – 0.035 in
(0.8 – 0.9 mm)
Optional NGK CR9EH-9
DENSO U27FER9
1,832 mm
770 mm
1,133 mm
1,260 mm
832 mm
379 mm
301 mm
9.13 cu-in 149.7 cm
3
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