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Specifications
Technical Information
135
Specifications
CRF150R
Item English Metric
Dimension
Overall length 72.1 in 1,832 mm
Overall width 30.3 in 770 mm
Overall height 44.6 in 1,133 mm
Wheelbase 49.6 in 1,260 mm
Seat height 32.8 in 832 mm
Footpeg height 14.9 in 379 mm
Ground clearance 11.9 in 301 mm
Frame
Type Semi double cradle
F. suspension
Telescopic fork
travel 9.5 in (241 mm)
stroke 10.8 in (275 mm)
R. suspension
Pro-link,
travel 10.7 in (272 mm)
Front tire
AC
70/100 – 17 40M
DUNLOP MX71F
CM
70/100 – 17 40M
BRIDGESTONE
M23
Rear tire
AC
90/100 – 14 49M
DUNLOP MX71
CM
90/100 – 14 49M
BRIDGESTONE
M22
Tire type bias-ply, tube
Tire pressure,
front (cold)
15 psi (100 kPa, 1.0 kgf/cm
2
)
Tire pressure,
rear (cold)
15 psi (100 kPa, 1.0 kgf/cm
2
)
F. brake, swept
area
Single disc brake
55.5 in
2
(358.1
cm
2
)
R. brake, swept
area
Single disc brake
46.6 in
2
(300.7
cm
2
)
Fuel
recommendation
unleaded gasoline, pump octane
number of 91 or higher
Fuel capacity 1.14
US gal
4.3 ℓ
Caster angle 27°2’
Trail length 3.1 in 78 mm
Fork oil capacity 12.04
US oz
356 cm
3
Item
English Metric
Engine
Type Liquid cooled, 4-stroke
Cylinder arrangement
Single 19° inclined from
vertical
Bore and stroke
2.60 x 1.72 in 66.0 x 43.7 mm
Displacement 9.13 cu-in 149.7 cm
3
Compression ratio 11.7 : 1
Valve clearance
Intake: 0.006 ± 0.001 in
(0.16 ± 0.03 mm)
Exhaust: 0.010 ± 0.001 in
(0.26 ± 0.03 mm)
Engine oil capacity
0.59 US qt 0.56 ℓAfter draining
After draining and
oil filter change 0.62 US qt 0.59 ℓ
After disassembly 0.74 US qt 0.70 ℓ
Transmission oil capacity
0.60 US qt 0.57 ℓAfter draining
After disassembly 0.69 US qt 0.65 ℓ
Carburetor
Type Piston valve
Identification number FCR08D
Main jet (standard) # 140
Jet needle (standard) NMQT
Needle clip position
(standard)
3rd groove
Slow jet (standard) # 38
Pilot screw opening 2 1/8 turns out
Float level 0.28 in 7.0 mm
Idle speed 2,100 ± 100 rpm
Cooling system
Cooling capacity
0.80 US qt 0.76 ℓAfter disassembly
Item English Metric
Drive train
Clutch type Wet, multi-plate type
Transmission 5-speed, constant mesh
Primary reduction 4.117
Gear ratio I 2.214
Gear ratio II 1.647
Gear ratio III 1.318
Gear ratio IV 1.105
Gear ratio V 0.956
Final reduction 3.333
Gear shift pattern
Left foot-operated return
system 1-N-2-3-4-5
Electrical
Ignition ICM
Starting system Kickstarter
Spark plug :
Standard
NGK CR8EH-9
DENSO U24FER9
Optional NGK CR9EH-9
DENSO U27FER9
Spark plug gap
0.031 – 0.035 in
(0.8 – 0.9 mm)
31KSE7100_NA.book 135 ページ ２０１９年４月９日 火曜日 午後１時１３分
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