SPESIFICATIONS

A1 / A1SS

Name:

250 A1 Samurai and A1SS Samurai
Type:

A1, A1SS

From:

 1967 - 1972

GENERAL

  1966-68 A1 / A1SS 1969 A1 / A1SS 1970-71 A1 / A1SS A1R
Model Kawasaki A1  / A1SS Kawasaki A1  / A1SS Kawasaki A1  / A1SS Kawasaki A1R 1968
Category Street bike / super bike. Street bike / super bike. Street bike / super bike. Racer

ENGINE

Type 2-stroke,2-cylinder,rotary valve, air-cooled 2-stroke,2-cylinder,rotary valve, air-cooled 2-stroke,2-cylinder,rotary valve, air-cooled 2-stroke,2-cylinder,rotary valve, air-cooled
Displacement 247 ccm 247 ccm 247 ccm 247 ccm
Bore and Stroke mm (in.) 52 x 58 mm 52 x 58 mm 52 x 58 mm 52 x 58 mm
Compression ratio 7,0 : 1 7,0 : 1 - 8,0 : 1
Valve system rotary valve rotary valve rotary valve rotary valve
Fuel system 2 x Mikuni VM22SC 2 x Mikuni VM22SC 2 x Mikuni VM22SC 2 x Mikuni M26R
Ignition Battery and coil, Conventional or CDI Battery and coil, Conventional or CDI Battery and coil, Conventional or CDI -
Starting Kick Kick Kick Kick
Lubrication Superlube Oil Injection Superlube Oil Injection Superlube Oil Injection Superlube and gasoline mix (20:1)

DRIVETRAIN

Transmission

5-speed, constant-mesh

5-speed, constant-mesh 5-speed, constant-mesh 5-speed, constant-mesh

Final drive

chain

chain chain chain ----

Primary reduction ratio

       

Gear ratios:

1st

2.50     2.06

2nd

1.53     1.47

3rd

1.13     1.18

4th

0.92     1.00

5th

0,78:1     0.89 : 1

Clutch

Wet multiple plates, manual

Wet multiple plates, manual Wet multiple plates, manual Wet multiple plates, manual

FRAME

Type

       
Caster 38 / 39 38 / 39    
Rake / Trail 86 mm 86 mm    

Wheel travel:

Front

       

Rear

       

Tyre:

Front

3.00-18 3.00-18 3.00-18 2.75-18 (4PR)

Rear

3.25-18 (4PR) / 3.50-18 (4PR) 3.25-18 (4PR) / 3.50-18 (4PR) 3.25-18 (4PR) / 3.50-18 (4PR) 3.00-18 (4PR)

SUSPENSION

Front:

Type

Hydraulically damped telescopic fork Hydraulically damped telescopic fork Hydraulically damped telescopic fork Hydraulically damped telescopic fork

Rear:

Type

Hydraulically damped swinging arm Hydraulically damped swinging arm Hydraulically damped swinging arm Hydraulically damped swinging arm

Spring preload

- - - -

BRAKES

Front:

Type

Twin leading shoe drum Twin leading shoe drum Twin leading shoe drum Twin leading shoe drum

Calliper

- - - -

Rear:

Type

Internal expanding drum Internal expanding drum Internal expanding drum Internal expanding drum

Calliper

-

- - -

DIMENSIONS

Overall lengt mm (in.)

1995 / 1900 mm 1990 mm 1990 mm 1915 mm

Overall width mm (in.)

810 / 830 mm 810 / 830 mm 810 / 830 mm 580 mm

Overall height mm (in.)

1075 / 1060 mm 1095 / 1080 mm 1095 / 1080 mm 945 mm

Wheelbase mm (in.)

1295 mm 1300 mm 1300 mm 1295 mm

Ground clearance mm (in.)

160 / 170 mm 165 / 170 mm 165 / 170 mm 124 mm

Seat height mm (in.)

- - - -

Dry weight

145 kg / 147 kg 145 kg / 147 kg 159.0 kg 109 kg

Fuel capacity l

13.5 liter 13.5 liter 13.5 liter 20 liter

PERFORMANCE

Maximum power

31 hp @ 8000 rpm

31 hp @ 8000 rpm 31 hp @ 8000 rpm 43 hp @ 9500 rpm

Maximum torque

2.92 kgm @ 7500 rpm 2.92 kgm @ 7500 rpm 2.92 kgm @ 7500 rpm 3.0 kgm @ 8500 rpm
Performance 1/4 mile 14.9 @ 140 kph   15.58 @ 132 kph  
Top Speed 166 km/h 166 km/h 160 km/h 201 km/h
 
YEAR FRAME NUMBER ENGINE NUMBER COLOUR
1967 A1 Samurai A1-00001 - 9373 A1E00001- Candytone Red, Candytone Blue
1968 A1 Samurai A1-09374 - A1E00000- Candytone Red, Candytone Blue
1969 A1 Samurai A1-00000- A1E00000- Candytone Red, Candytone Blue
1970 A1ASamurai A1-13519- A1E15311- Pearl Candytone Red
1971 A1B Samurai A1-17477- A1E21044- Pearl Ivory
Source Kawasaki -ID guide 1965 -1975
1967 A1SS Samurai A1-00001 - A1E00001- Candytone Red, Candytone Blue
1968A1SS Samurai - - Candytone Red, Candytone Blue
1969 A1SS Samurai A1-00000- A1E00000- Candytone Red, Candytone Blue
1970 A1SS Samurai A1-68053 - A1E15561- Pastel Yellow, Pastel White
1971 A1SS Samurai A1-69822- A1E21067- Pearl Ivory

A7 /A7SS

  Name:

3
50 A7 Avenger / A7 SS  Avenger
Type:

A7, A7SS, A7A A7SSA, A7B, A7SSB

From:

 1967 - 1972

GENERAL

  1967-68 A7 / A7SS 1969 A7 / A7SS 1970 A7A / A7SSA 1970 A7B / A7SSB
Model Kawasaki A7  / A/SS Kawasaki A7/  / A7SS Kawasaki A7A  / A7SSA Kawasaki A7B / A7SSB
Category Street bike / super bike. Street bike / super bike. Street bike / super bike. Street bike / super bike.

ENGINE

Type 2-stroke,2-cylinder, air-cooled 2-stroke,2-cylinder, air-cooled 2-stroke,2-cylinder, air-cooled 2-stroke,2-cylinder, air-cooled
Displacement 338 ccm 338 ccm 338 ccm 338 ccm
Bore and Stroke mm (in.) 62.0 x 56.0 mm (2.4 x 2.2 inches) 62.0 x 56.0 mm (2.4 x 2.2 inches) 62.0 x 56.0 mm (2.4 x 2.2 inches) 62.0 x 56.0 mm (2.4 x 2.2 inches)
Compression ratio 7,0 : 1 7,0 : 1 7,0 : 1 7,0 : 1
Valve system rotary valve rotary valve rotary valve rotary valve
Fuel system 2 x Mikuni VM26SC 2 x Mikuni VM26SC 2 x Mikuni VM26SC 2 x Mikuni M26SC
Ignition Battery and coil, Conventional or CDI Battery and coil, Conventional or CDI Battery and coil, Conventional or CDI Battery and coil, Conventional or CDI
Starting Kick Kick Kick Kick
Lubrication Injectolube Oil Injection Injectolube Oil Injection Injectolube Oil Injection Injectolube Oil Injection

DRIVETRAIN

Transmission

5-speed, constant-mesh

5-speed, constant-mesh 5-speed, constant-mesh 5-speed, constant-mesh

Final drive

chain

chain chain chain

Primary reduction ratio

       

Gear ratios:

1st

2.50      

2nd

1.53      

3rd

1.13      

4th

0.92      

5th

0,78:1      

Clutch

Wet multiple plates, manual

Wet multiple plates, manual Wet multiple plates, manual Wet multiple plates, manual

FRAME

Type

       
Caster 38 / 39 38 / 39 38 / 39  38 / 39
Rake / Trail 86 mm 86 mm 86 mm  86 mm

Wheel travel:

Front

       

Rear

       

Tyre:

Front

3.25-18 (4PR) 3.25-18 (4PR) 3.25-18 (4PR) 3.25-18 (4PR)

Rear

3.50-18 (4PR) 3.50-18 (4PR) 3.50-18 (4PR) 3.50-18 (4PR)

SUSPENSION

Front:

Type

Hydraulically damped telescopic fork Hydraulically damped telescopic fork Hydraulically damped telescopic fork Hydraulically damped telescopic fork

Rear:

Type

Hydraulically damped swinging arm Hydraulically damped swinging arm Hydraulically damped swinging arm Hydraulically damped swinging arm

Spring preload

- - - -

BRAKES

Front:

Type

Twin leading shoe drum Twin leading shoe drum Twin leading shoe drum Twin leading shoe drum

Calliper

- - - -

Rear:

Type

Internal expanding drum Internal expanding drum Internal expanding drum Internal expanding drum

Calliper

-

- - -

DIMENSIONS

Overall lengt mm (in.)

1995 / 1900 mm 1990 mm 1990 mm 1990 mm

Overall width mm (in.)

810 / 830 mm 810 / 830 mm 810 / 830 mm 810 / 830 mm

Overall height mm (in.)

1075 / 1060 mm 1095 / 1080 mm 1095 / 1080 mm 1095 / 1080 mm

Wheelbase mm (in.)

1295 mm 1295 mm 1300 mm 1300 mm

Ground clearance mm (in.)

160 / 170 mm 165 / 170 mm 165 / 170 mm 165 / 170 mm

Seat height mm (in.)

- - - -

Dry weight

145 kg / 147 kg 145 kg / 147 kg 154 kg 154 kg

Fuel capacity l

13.5 liter 13.5 liter 13.5 liter 13.5 liter

PERFORMANCE

Maximum power

42 hp @ 8000 rpm

42 hp @ 8000 rpm 42 hp @ 8000 rpm 42 hp @ 8000 rpm

Maximum torque

       
Performance 1/4 mile 13.8s (factory claim)      
Top Speed 177 kph (factory claim)   170.0 km/h (105.6 mph)  170.0 km/h (105.6 mph)
 
YEAR FRAME NUMBER ENGINE NUMBER COLOUR
1968 A7  A7-00001-  A7E00001- Candytone Red, Candytone Blue 
1969 A7  A7-00000  A7E00000-  Candytone Red, Candytone Blue  
1970 A7A  A7-18653  A7E17453 Pearl Candytone Red, Pearl Candytone Blue  
1971 A7B  A7-24200-  A7E23043-  Pearl Ivory 
Source Kawasaki -ID guide 1965 -1975
1968 A7SS  A7-00001-   A7E00001-  Candytone Red, Candytone Blue  
1969 A7SS  A7-00000   A7E00000-   Candytone Red, Candytone Blue  
1970 A7SSA  A7-18753-  A7E17557-  Pastell Yellow, Pastell White 
1971 A7SSB  A7-24165-   A7E22895-   Pearl Ivory 

 

 

 

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          Last update:   10. februar 2011