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Dimensions |
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Overall length |
2,240 mm, C and U 2,210 mm |
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Overall width |
795 mm, C and U 775 mm |
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Overall height |
1,065 mm, C and U 1,120 mm |
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Wheelbase |
1,550 mm |
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Road clearance |
145 mm |
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Seat height |
720 mm |
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Dry weight |
195 kg, C and U 194 kg, Cal 195 kg |
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Curb weight: |
Front |
98 kg |
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Rear |
113 kg, C and U 112 kg, Cal 113 kg |
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Fuel tank capacity |
12.3 L |
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Performance |
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Climbing ability |
30° |
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Braking distance |
12.5 m from 50 km/h |
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Minimum turning radius |
2.9 m, C and U 3 m |
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Engine |
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Type |
4-stroke, DOHC, 4-cylinder |
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Cooling system |
Liquid-cooled |
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Bore and stroke |
55.0 x 52.4 mm |
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Displacement |
497 mL |
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Compression ratio |
11.0 |
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Maximum horsepower |
52.2 kW (71 PS) @ 11,500 r/min (rpm), U and C -, |
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Maximum torque |
46.1 N-m (4.7 kg-m, 34.0 ft-lb) @ 10,000 r/min (rpm), U and C -, |
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Carburetion system |
Carburetors, Keihin CVK30 x 4 |
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Starting system |
Electric starter |
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Ignition system |
Battery and coil (transistorized) |
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Timing advance |
Electronically advanced |
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Ignition timing |
From 12.5° BTDC @ 1,050 r/min (rpm) to 40° BTDC @ 10,000 r/min (rpm) Cal From 7.5° BTDC @ 1,250 r/min (rpm) to 35° BTDC @ 10,000 r/min (rpm) |
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Spark plug |
Standard |
NGK DR8ES, or ND X27ESR-U U NGK D9EA, or ND X27ES-U |
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Option |
NGK DR8ES-L, or ND X24ESR-U U NGK D8EA, or ND X24ES-U |
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Cylinder numbering method |
Left to right, 1-2-3-4 |
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Firing order |
1-2-4-3 |
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Valve timing: |
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Inlet |
Open |
37° BTDC |
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Close |
67° ABDC |
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Duration |
284° |
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Exhaust |
Open |
72° BBDC |
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Close |
32°ATDC |
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Duration |
284° |
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Lubrication system |
Forced lubircation (wet sump) |
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Engine oil: |
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Grade |
SE or SF class |
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Viscosity |
SAE 10W-40, 10W-50, 20W-40, or 20W-50 |
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Capacity |
3.0 L |
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Drive train |
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Primary reduction system: |
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Type |
Chain |
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Reduction ratio |
2.641 (27/23 x 63/28) |
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Clutch type |
Wet multi disc |
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Transmission: |
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Type |
6-speed, constant mesh, return shift |
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Gear ratios |
1st |
2.571 (36/14) |
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2nd |
1.777 (32/18) |
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3rd |
1.380 (29/21) |
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4th |
1.125 (27/24) |
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5th |
0.961 (25/26) |
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6th |
0.851 (23/27) |
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Final drive system: |
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Type |
Shaft drive |
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Reduction ratio |
2.690 (16/22 x 37/10) |
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Overall drive ratio |
6.054 @ Top gear |
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Final gear case oil: |
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Type |
API GL-5 Hypoid gear oil SAE 90 (above 5° C) SAE 80 (below 5° C) |
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Capacity |
190 mL |
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Frame: |
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Type |
Tubular, double cradle |
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Caster (rake angle) |
29.5°, U and C 29° |
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Trail |
107 mm, U and C 105 mm |
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Front tire: |
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Type |
Tubeless |
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Size |
100/90-18 56H |
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Rear tire: |
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Type |
Tubeless |
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Size |
150/80-15 70H |
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Front suspension: |
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Type |
Telescopic fork (pneumatic) |
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Wheel travel |
145 mm |
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Rear suspension: |
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Type |
Swing arm |
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Wheel travel |
108 mm |
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Brake type: |
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Front |
Single disc |
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Rear |
Drum |
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Electrical Equipment |
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Battery |
12 V 12 Ah |
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Headlight: |
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Type |
Semi-sealed beam |
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Bulb |
12 V 60/55 W (quartz-halogen) |
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Tail/brake light |
12 V 5/21 W x 2, C and U 12 V 8/27 W x 2 |
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Alternator: |
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Type |
Three-phase AC |
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Rater output |
20 A @ 10,000 r/min (rpm), 14 V |
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Voltage regulator: |
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Type |
Short-curcuit |
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Specifications are subject to change without notice, and may not apply to every country |
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C : Canadian model, Cal: California model, U: US model, W: Swiss model |
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