Technical Data - Derbi GPR125 Workshop Manual

4-stroke
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1 - GENERAL INFORMATION

1.5 - TECHNICAL DATA

GENERAL
MACHINE DIMENSIONS
Distance between wheel shafts
Length
Wide
High
Weight
ENGINE
Diameter x stroke
Cubic capacity
Power
Type
Timing
Compression ratio
Cylinder material
Cylinder head material
Type of lubrication
Cooling
Idling
Gearchange
Final transmission
Polluting emissions reduction system
OTHER PARTS OF THE MOTORCYCLE
Type of chassis
Steering angle
Front suspension
Front suspension travel
Rear suspension
Rear suspension travel
Swinging arm
Front tyre
Rear tyre
Make and model of tyres
Front brake
Rear brake
POWER SUPPLY
Carburettor
TRANSMISSION
Clutch type
Primary transmission ratio
1st gear ratio
2nd gear ratio
3rd gear ratio
4th gear ratio
5th gear ratio
6th gear ratio
Final transmission ratio
Type of chain
17
1353 mm
1968 mm
720 mm
810 mm
135 Kg
58 mm. x 47 mm
124,2 cm
3
15 HP at 9.250 rpm
Single cylinder 4-stroke, 4 valves, Euro 3
Double overhead camshaft (DOHC) chain driven
12:1
Cast iron
Cast aluminium
Semi-wet crankshaft
Liquid
1680 ±50 rpm
Manual, 6 gears
Chain driven
Secondary air system and 2-way catalyser
Double beam of injected aluminium alloy
25º
41 mm Ø inverted hydraulic forks
110 mm
Single shock absorber
135 mm
Double asymmetrical aluminium arm
100/80x17" Tubeless type
130/70X17" Tubeless type
Pirelli Sport Demon
300mm Ø disk
220mmØ disk
Keihin CVK Ø30
Multi-disk in oil bath
(5 driving disks and 4 driven disks).
24/73=1/3,04
11/33=1/3
15/30=1/2
18/27=1/1,5
20/24=1/1,2
25/27=1/1,08
23/22=1,045
14/49=1/3,50
With coupling and 130 links

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