Monster 400 - Technical specification

 
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Engine

Type
L-Twin cylinder, 2 valve Desmodromic, air cooled
Displacement
398cc
Bore x Stroke
70.5 x 51mm
Compression ratio
10:1 
Power
42hp - 31kw @ 7500rpm *
Torque
3.4kgm - 33Nm @ 7500rpm *
 
* The power/torque values indicated are measured using an engine dynamometer according to homologation regulation and they correspond to the homologated data, as quoted in the Bike Registration Document.
Fuel injection
2 x 38 mm Mikuni Carburettors
Exhaust
2 aluminium mufflers

Transmission

Gearbox
5 speed with straight gears
Primary drive
Straight cut gears, ratio 2.28
Ratio
1a 40/16, 2a 36/21, 3a 32/24, 4a 29/27, 5a 28/29
Final drive
Chain; Front sprocket 15; Rear sprocket 46
Clutch
Wet multiplate with hydraulic control
 

Chassis

Frame
Tubular steel trellis frame
Front suspension
43mm upside-down fork
Front wheel
Three spoke light alloy 3.50 x 17
Front Tyre
120/60 ZR17
Rear suspension
Progressive linkage with Sachs adjustable monoshock. Aluminium swing-arm
Rear wheel
Three spoke light alloy 4.50 x 17
Rear tyre
160/60 ZR17
Front wheel travel
120mm / 4.7in
Rear wheel travel
144mm / 5.6in
Front brake
320 mm disc, 4-piston caliper
Rear brake
245mm disc, 2-piston caliper
Instrumentation
Speedometer, rev counter, warning light for low oil pressure, indicators for high beam, turn signals
 

Dimensions and weight

Dry weight
174kg / 383lb
Seat height
770mm / 30.3in
Wheelbase
1430mm / 56.3in
Rake
23°
Fuel tank capacity
16l (of which 3l reserve) / 4.2 US gal (of which 0,8 US gal reserve)
 

Warranty

Warranty
2 years unlimited mileage
 

Emissions and Consumption

Standard
Na