Key performance

73 ch
Power
🔧
674 cc
Displacement
⚖️
239 kg
Weight
🏎️
197 km/h
Top speed
23.0 L
Fuel capacity
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Technical specifications

Changements 1992 1983
Displacement
248 cc 674 cc
Power
38.9 ch @ 13500 tr/min (28.4 kW) 73.0 ch @ 9500 tr/min (53.3 kW)
Torque
26.4 Nm @ 10000 tr/min
Cooling
Liquid Air
Compression ratio
12.5:1 9.4:1
Bore × stroke
49.0 x 33.0 mm (1.9 x 1.3 inches) 62.0 x 55.8 mm (2.4 x 2.2 inches)
Valves/cylinder
4 2
Fuel system
Carburettor. Four 29mm Mikuni
Valve timing
Double Overhead Cams/Twin Cam (DOHC)
Lubrication
Wet Sump
Ignition
Digita;
Starter
Electric
Frame
Tubular Steel
Gearbox
6-speed 5-speed
Final drive
Chain   (final drive) Shaft drive (cardan)   (final drive)
Clutch
Wet Plate
Front suspension
Hydraulic Telefork
Rear suspension
2 Kayabo shocks, piggyback damper reservoirs, variable preload
Front brakes
Single disc. Floating Disc, 4 Pot Caliper Dual disc
Rear brakes
Single disc. Fixed Disc, 2 Pot Caliper Single disc
Front tyre
110/70-17 3.25-19
Rear tyre
140/70-17 4.25-17
Seat height
740.00 mm
Wheelbase
1435.00 mm
Ground clearance
165.00 mm
Length
2060.00 mm
Width
685.00 mm
Height
1160.00 mm
Fuel capacity
17.00 L 23.00 L
Weight
239.00 kg
Dry weight
160.00 kg

Engine

Displacement
674 cc
Power
73.0 ch @ 9500 tr/min (53.3 kW)
Engine type
In-line four, four-stroke
Cooling
Air
Compression ratio
9.4:1
Bore × stroke
62.0 x 55.8 mm (2.4 x 2.2 inches)
Valves/cylinder
2
Valve timing
Double Overhead Cams/Twin Cam (DOHC)

Chassis

Gearbox
5-speed
Final drive
Shaft drive (cardan)   (final drive)

Brakes

Front brakes
Dual disc
Rear brakes
Single disc
Front tyre
3.25-19
Rear tyre
4.25-17

Dimensions

Fuel capacity
23.00 L
Weight
239.00 kg

Indicators & positioning

Weight-to-power ratio
0.31 ch/kg
🔧
Volumetric power
108.3 ch/L
In category Sport · 337-1348cc displacement (4160 motorcycles compared)
Power 73 ch Top 76%
27 ch median 123 ch 209 ch
Weight 239 kg Lighter than 12%
171 kg median 202 kg 255 kg
P/W ratio 0.31 ch/kg Top 81%
0.19 median 0.61 1.08 ch/kg

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