Key performance

27 ch
Power
🔧
399 cc
Displacement
⚖️
187 kg
Weight
🏎️
147 km/h
Top speed
14.0 L
Fuel capacity
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Technical specifications

Changements 1981 1977
Power
27.0 ch @ 8000 tr/min (19.7 kW) 27.0 ch @ 8500 tr/min (19.7 kW)
Engine type
In-line four, four-stroke Twin, four-stroke
Compression ratio
9.5:1 9.4:1
Bore × stroke
52.0 x 47.0 mm (2.0 x 1.9 inches) 64.0 x 62.0 mm (2.5 x 2.4 inches)
Valve timing
Double Overhead Cams/Twin Cam (DOHC) Overhead Cams (OHC)
Gearbox
6-speed 5-speed
Front brakes
Dual disc Single disc
Front tyre
3.25-19 3.25-18
Rear tyre
3.75-18 3.50-18
Fuel capacity
16.50 L 14.00 L
Weight
210.00 kg 187.00 kg

Engine

Displacement
399 cc
Power
27.0 ch @ 8500 tr/min (19.7 kW)
Engine type
Twin, four-stroke
Cooling
Air
Compression ratio
9.4:1
Bore × stroke
64.0 x 62.0 mm (2.5 x 2.4 inches)
Valves/cylinder
2
Valve timing
Overhead Cams (OHC)

Chassis

Gearbox
5-speed
Final drive
Chain   (final drive)

Brakes

Front brakes
Single disc
Rear brakes
Expanding brake
Front tyre
3.25-18
Rear tyre
3.50-18

Dimensions

Fuel capacity
14.00 L
Weight
187.00 kg

Indicators & positioning

Weight-to-power ratio
0.14 ch/kg
🔧
Volumetric power
67.7 ch/L
In category Classic · 200-798cc displacement (1691 motorcycles compared)
Power 27 ch Top 59%
17 ch median 35 ch 63 ch
Weight 187 kg Lighter than 58%
138 kg median 190 kg 350 kg
P/W ratio 0.14 ch/kg Top 72%
0.09 median 0.19 0.30 ch/kg

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