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W1 /W1SS |
W1S
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W2SS |
W1SA |
W3 |
W2TT |
|
ENGINE |
|
Type |
4-stroke,
2-cylinder, overhead valve (OHV), air-cooled |
|
Displacement,
cm³: |
624 |
624 |
654 |
624 |
624 |
624 |
|
Bore and Stroke,
mm |
74.0×72.6
|
74.0×72.6 |
74.0×72.6 |
74.0×72.6 |
74.0×72.6 |
74.0×72.6 |
|
Compression ratio |
8.7 : 1 |
9 : 1 |
9 : 1 |
9 : 1 |
9 : 1 |
9 : 1 |
|
Ignition |
Battery and coil |
Battery and coil |
Battery and coil |
Battery and coil |
Battery and coil |
Battery and coil |
|
Lubrication
|
Forced lubrication, dry sump |
Forced lubrication, dry sump |
Forced lubrication, dry sump |
Forced lubrication, dry sump |
Forced lubrication, dry sump |
Forced lubrication, dry sump |
|
Starting |
Kick |
Kick |
Kick |
Kick |
Kick |
Kick |
|
Fuel system |
1 x Mikuni VM31
|
2 x Mikuni VM28
|
|
2 x Mikuni VM28SC
|
2 x Mikuni VM28SH
|
|
|
DRIVETRAIN |
|
Transmission |
4-speed, return |
4-speed, return |
4-speed, return |
4-speed, return |
4-speed, return |
4-speed, return |
|
Clutch |
Wet multiple plates, manual |
Wet multiple plates, manual |
Wet multiple plates, manual |
Wet multiple plates, manual |
Wet multiple plates, manual |
Wet multiple plates, manual |
|
Final
drive |
Chain |
Chain |
Chain |
Chain |
Chain |
Chain |
|
Gear
ratios: |
1. |
2.54 |
2.54 |
|
2.54 |
2.54 |
|
|
2. |
1.71 |
1.71 |
|
1.71 |
1.71 |
|
|
3. |
1.22 |
1.22 |
|
1.22 |
1.22 |
|
|
4. |
1.00 |
1.00 |
|
1.00 |
1.00 |
|
|
5. |
- |
- |
- |
- |
- |
- |
|
Primary
ratios:
|
2.26 |
2.26 |
|
2.26 |
2.26 |
|
|
Secondary ratios:
|
2.16 |
2.33 |
|
2.33 |
2.16 |
|
|
Final drive:
|
4.88 |
5.27 |
|
5.27 |
4.88 |
|
|
FRAME |
W1 /W1SS |
W1S |
W2SS |
W1SA |
W3 |
W2TT |
|
Frame |
Double-cradle, high-tensile steel |
Double-cradle, high-tensile steel |
Double-cradle, high-tensile steel |
Double-cradle, high-tensile steel |
Double-cradle, high-tensile steel |
Double-cradle, high-tensile steel |
|
Caster: (Deg) |
29 |
29 |
29 |
29 |
29 |
29 |
|
Rake mm: |
100 |
100 |
|
105 |
100 |
|
|
Tyres: |
Front: |
3.25-18 4PR
|
3.25-19 4PR
|
3.25-18 4PR
|
3.25-19 4PR
|
3.25-18 4PR |
3.25-18 4PR
|
|
Rear: |
3.50-18 4PR
|
4.00-18 4PR
|
3.50-18 4PR |
4.00-18 4PR |
4.00-18 4PR |
4.00-18 4PR |
|
SUSPENTION |
|
Front: |
Telescopic
fork |
Telescopic fork |
Telescopic
fork |
Telescopic fork |
Telescopic fork |
Telescopic
fork |
|
Rear: |
Swingarm |
Swingarm |
Swingarm |
Swingarm |
Swingarm |
Swingarm |
|
BRAKES |
|
Brakes |
Front: |
Drum |
Drum |
Drum |
Drum |
Double disc |
Drum |
|
Rerar: |
Drum |
Drum |
Drum |
Drum |
Drum |
Drum |
|
DIMENSIONS
|
|
Overall Lenght mm
|
2125 |
2145 |
2115 |
2135 |
2150 |
- |
|
Overall width mm
|
880 |
865 |
880 |
850 |
860 |
- |
|
Overall height mm
|
1060 |
1100 |
1070 |
1100 |
1120 |
- |
|
Wheelbase mm
|
1415 |
1420 |
1425 |
1420 |
1420 |
- |
|
Ground clearance
mm
|
140 |
145 |
150 |
145 |
140 |
- |
|
Dry weight
kg
|
181 |
199 |
181 |
199 |
215 |
- |
|
Fuel capacity
L
|
15 |
15 |
|
15 |
15 |
- |
|
Oil capacity L
|
3.0 |
3.0 |
2.5 |
2.5 |
3.0 |
- |
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PERFORMANCE
|
|
Maximum power
|
50 / 6500
Hp/rpm
|
53 / 7000 Hp/rpm
|
53 /
7000
Hp/rpm
|
53 / 7000
Hp/rpm
|
53 / 7000 Hp/rpm
|
53 / 7000 Hp/rpm
|
|
Maximum torque
|
56 / 5500
Nm/rpm
|
56 / 5500
Nm/rpm
|
56 / 5500
Nm/rpm
|
56 / 5500
Nm/rpm
|
56 / 5500
Nm/rpm
|
56 / 5500
Nm/rpm
|
|
1/4
mile
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