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Name/Year: |
Type: |
Produced From: |
Z650-B1 to B4 1977 to 1980 |
KZ650B (US), Z650B (Europe) |
1976/77 to 1980 |
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GENERAL |
Model |
Z650 B1 1977 |
Z650 B2/B2A 1978 |
Z650 B3 1979 |
Z650 B4 1980 |
Category |
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Information |
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ENGINE |
Type |
4 Stroke - Air Cooled - Inline Four |
Displacement |
652 cc (39.79 cubic inches) |
Bore x stroke (mm) |
62 mm x 54 mm (2.4 x 2.1 inches) |
Compression ratio |
9.5:1 |
9.5:1 |
9.5:1 |
9.5:1 |
Valves |
DOHC 2 valves/cylinder |
Fuel system |
Mikuni VM24SS |
Mikuni VM24SS |
Mikuni VM24SS |
Mikuni VM24SS |
Ignition |
Battery coil |
Transistor |
Transistor |
Transistor |
Ignition timing: Degrees
@
rpm |
From
10 BTDC @
1600rpm - 35 BTDC
@
3200rpm |
From
10 BTDC @
1600rpm - 35 BTDC
@
3200rpm |
From
10 BTDC @
1600rpm - 35 BTDC
@
3200rpm |
From
10 BTDC @
1600rpm - 35 BTDC
@
3200rpm |
Spark plugs: |
NGK B7ES, ND W22ESU, Champion N-4
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NGK B7ES, ND W22ESU, Champion N-4
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NGK B7ES, ND W22ESU, Champion N-4
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NGK B7ES, ND W22ESU, Champion N-4
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Starting |
electric/kick |
electric/kick |
electric/kick |
electric/kick |
Cooling |
Air |
Air |
Air |
Air |
Lubrication |
Forced, wet sump |
Forced, wet sump |
Forced, wet sump |
Forced, wet sump |
Engine oil: Grade/Viscosity / Capasity |
SAE/ 10W40, 10W50, 20W40, 20W50/ 3.5 L |
SAE/ 10W40, 10W50, 20W40, 20W50/ 3.5 L |
SAE/ 10W40, 10W50, 20W40, 20W50/ 3.5 L |
SAE/ 10W40, 10W50, 20W40, 20W50/ 3.5 L |
Exhaust |
4 x 2 |
4 x 2 |
4 x 2 |
4 x 2 |
TRANSMISSION |
Transmission |
5-speed, return shift |
5-speed, return shift |
5-speed, return shift |
5-speed, return shift |
Primary Drive |
Chain and gear |
Chain and gear |
Chain and gear |
Chain and gear |
Primary reduction ratio |
2.550, 27/23 x 63/29 |
2.550, 27/23 x 63/29 |
2.550, 27/23 x 63/29 |
2.550, 27/23 x 63/29 |
Gear rations
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1ª
|
2.333 35/15 |
2.333 35/15 |
2.333 35/15 |
2.333 35/15 |
2ª
|
1.631 31/19 |
1.631 31/19 |
1.631 31/19 |
1.631 31/19 |
3ª
|
1.272 28/22 |
1.272 28/22 |
1.272 28/22 |
1.272 28/22 |
4ª
|
1.040 26/25 |
1.040 26/25 |
1.040 26/25 |
1.040 26/25 |
5ª
|
0.888 24/27 |
0.888 24/27 |
0.888 24/27 |
0.888 24/27 |
6ª
|
- |
- |
- |
- |
Finale drive |
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Chain |
Chain |
Chain |
Chain |
Secondary reduction gear ratio |
|
2.63
(42/16) |
2.63
(42/16) |
2.63
(42/16) |
2.63
(42/16) |
Overall drive ratio |
|
5.95
@
top gear |
5.95
@
top gear |
5.95
@
top gear |
5.95
@
top gear |
Clutch |
|
Wet multi disc |
Wet multi disc |
Wet multi disc |
Wet multi disc |
CHASSIS |
Frame type |
Tubular double cradle, high tensile steel. |
Wheel travel |
Front |
|
140 mm |
140 mm |
140 mm |
Rear |
|
80
mm |
80
mm |
90
mm |
Tyre |
Front |
3.25H-19 4PR |
3.25H-19 4PR |
3.25H-19 4PR |
3.25H-19 4PR |
Rear |
4.00-18 4PR |
4.00-18 4PR |
4.00H-18 4PR |
4.00H-18 4PR |
Caster (Rake)/Trail |
27 deg. / 108 mm |
27 deg. / 108 mm |
27 deg. / 108 mm |
27 deg. / 108 mm |
SUSPENSION
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|
Z650 B1 1977 |
Z650 B2 1978 |
Z650 B3 1979 |
Z650 B3 1979 |
Front |
Type |
Telescopic |
Telescopic |
Telescopic |
Telescopic |
Forks |
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Rear |
Type |
Swing arm |
Swing arm |
Swing arm |
Swing arm |
Shock |
Dual |
Dual |
Dual 5 way damping adjustment |
Dual 5 way damping adjustment |
BRAKES |
Front |
Disc/Drum |
Single disc 245 mm |
Single disc 250 mm |
Single disc 250 mm |
Single disc 250 mm |
Calliper |
1-piston caliper |
1-piston caliper |
1-piston caliper |
1-piston caliper |
Rear |
Disc/Drum |
Drum 180 x 40 mm |
Drum 180 x 40 mm |
Drum 180 x 40 mm |
Drum 180 x 40 mm |
Calliper |
- |
- |
- |
- |
DIMENSIONS |
Overall length |
2170 mm,
2220 mm ♣, 85,4 in |
2170 mm,
2220 mm ♣, 85,4 in |
2170 mm,
85,4 in |
2170 mm,
2220 mm ♣, 85,4 in |
Overall width |
850 mm |
850 mm |
850 mm |
785 mm,
850 mm ♣ |
Overall height |
1145 mm |
1145 mm |
1145 mm |
1140 mm,
1145 mm ♣ |
Seat height |
820 mm,
31,9 in |
820 mm,
31,9 in |
820 mm,
31,9 in |
820 mm,
31,9 in |
Wheelbase |
1420 mm 55,9 in |
1420 mm 55,9 in |
1420 mm 55,9 in |
1420 mm 55,9 in |
Road clearance |
145 mm |
145 mm |
145 mm |
145 mm |
Fuel capacity - reserve |
16,8 litre - 2,4 litre 4,4 gal US |
16,8 litre - 2,4 litre 4,4 gal US |
16,8 litre - 2,4 litre 4,4 gal US |
16,8 litre - 2,4 litre 4,4 gal US |
Dry weight |
211 kg, 465 lbs |
211 kg, 465 lbs |
211 kg, 465 lbs |
211 kg, 465 lbs |
Weight incl. oil, gas, etc. |
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PERFORMANCE |
Top speed: |
195 km/h, (122 mph) |
195 km/h, (122 mph) |
195.0 km/h (121.2 mph) |
195.0 km/h (121.2 mph) |
Standing ¼ Mile: |
12.4 s |
12.4 s |
13.5 sec |
13.5 sec |
Maximum power: |
64 hp @ 8500 rpm |
64 hp @ 8500 rpm |
62 hp @ 8000 rpm |
64 hp @ 8500 rpm |
Maximum
torque: |
5.8 kg-m
@ 7000 rpm |
5.8 kg-m
@ 7000 rpm |
5.8 kg-m
@ 7000 rpm |
5.8 kg-m
@ 7000 rpm |
YEAR |
FRAME NUMBER |
ENGINE NUMBER |
COLOR |
1977 KZ650B1 |
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Candy
Super Red, Candy
Emerald Green |
1978 KZ650B2 |
KZ650B-027501- |
KZ650BE046001- |
Luminous Dark Blue, Luminous
Burnt Red |
1978 KZ650B2/A |
KZ6500-508016- /L |
KZ650BE046873-
/L |
Luminous Dark Blue, Luminous
Burnt Red |
1979
KZ650B3 |
KZ650B-046201- |
KZ650BE092001- |
Candy
Emerald Green, Candy Persimmon Red |
1980 KZ650B4 |
KZ650B-049701- |
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- |
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♣ Other than European and Australian models |
/L Lincoln Factory USA |
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