W1 to  W3

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W1 /W1SS

W1S

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

-

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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          Last update:   10. februar 2011