Engine |
|
Type |
four-stroke, horizontal four-cylinder
in-line engine, liquid-cooled |
Bore/stroke |
67 x 70 mm |
Cubic capacity |
987 cm3 |
Max power |
90 PS (66 kW) at
8000 rpm |
Max torque |
86 Nm at 6000 rpm
|
Compression ratio |
10,2 : 1 |
Valves per cylinder |
2 |
Valve control |
DOHC, using drive chain and cup
tappets |
Carburation system |
electronic injection, Bosch
LE-Jetronic |
Engine lubrication |
wet sump |
|
|
Power transmission |
|
Clutch |
dry single plate |
Number of gears |
5 |
Gear selection |
dog-type gearbox (ratchet foot
lever) |
Gear ratios |
4,50 / 2,96 / 2,30 / 1,88 / 1,61
:1 |
Rear wheel ratio |
1 : 2,91 |
Bevel/crown wheel |
11 : 32 teeth |
|
|
Electrical system |
|
Alternator |
12 V
460W |
Ignition |
electronic
ignition Bosch LE-Jetronic |
Starter |
0,7 kW |
Spark plugs |
Bosch XR 5 DC, Beru 12-5 DU, Champion A
85YC |
|
|
Suspension |
|
Type of frame |
tubular space frame, engine serving as
load-bearing component |
Front suspension |
telescopic fork with hydraulic shock
absorber |
Rear suspension |
BMW Monolever - swinging arm
|
Spring travel |
185 / 110 mm |
Rims front |
2,50 - 18 MT H 2 |
Rims rear |
2,75 - 17 MT H 2 |
Tyres front |
100/90-V 18 or 100/90-VR
18 |
Tyres rear |
130/90-V 17 or
130/90-VR 17 |
Brakes front |
dual-disc brake Ø 285 mm |
Brakes rear |
single disc brake Ø 285 mm |
|
|
Dimensions and weights |
|
Length x width x height |
2220 x 920 x 1155 mm |
Wheel base |
1516 mm |
Ground clearance |
175 mm |
Tank capacity |
22 l |
Unladen weight, full tank |
253 kg |
Max permissible weight |
480 kg |
Fuel consumption |
4,4 l / 100 km ( at constant 90 km/h)
|
Acceleration |
0 - 100 km/h 4,1 s |
Top speed |
215 km/h |
|
|
|