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Dimensions,
weight, capacities
Wheelbase
mm/in 1475 / 58.07
Overall length
mm/in 2250 / 88.58
Overall width
mm/in 825 / 32.48
Overall height
mm/in 1245 / 49.01
Saddle height
mm/in. 935 / 36.81
Min. ground
clearance mm/in. 330 / 13
Trail mm/in. 104 /
4.1
Wet weight
Kg/lb. 111,1 / 244.9
Fuel tank capacity
10,2
U.S. Gallons 2.69
Imp. Gallons 2.24
Transmission oil
0,65
U.S. Quarts 0,69
Imp. Quarts 0,57
Engine
Characteristics -
Type Single cylinder, two stroke
Bore mm/in 54 /
2.12
Stroke mm/in 54,5
/ 2.14
Displacement cm /cu.in.
124,82 / 7.61
Compression ratio
(at closed port) 8,8:1
Starting Kick
starter
Cooling By liquid
Water radiator N°/No 2
Timing system -
Type Reed valve in the crankcase and “H.T.S.” valve with electronic
control on the exhaust port
Valve timing
Exhaust
175°
Intake Reed valve
Transfer
114°
Lubrication
Engine - By an
automatic mixer
Transmission -
primary drive By the oil contained in the crankcase
Ignition Type -
C.D.I. electronic, analogic type, with adjustable advance
Spark plug type .
."CHAMPION" QN84/"NGK" BR 9EG
Spark plug gap
mm/in 0,6 / 0.024
Fuel system
Carburetor
manufacturer and type “DELL’ORTO” PHBH 28 BS
Venturi diameter
mm/in 28 / 1.1
Clutch Type - Wet,
multi-plate type; mechanic control
Driving disc no 7
Driven disc no 6
Primary drive
Engine sprocket
Teeth 22
Clutch gear Teeth
72
Transmission ratio
3.272
Transmission Type
Constant mesh gear type
Speed gears no.6
Internal ratios
1st . . . . .2,692
(35/13)
2nd . . . . .1,800
(27/15)
3rd . . . . .1,333
(24/18)
4th . . . . .1,100
(22/20)
5th . . . . .0,954
(21/22)
6th . . . . .0,869
(20/23)
Secondary drive
Transmission
sprocket Teeth 13
Rear wheel
sprocket Teeth 49
Transmission ratio
3,769
Driving chain
Manufacturer and type “REGINA" 135RX-5/8"x1/4",“D.I.D.” 520
DS-5/8"X1/4"
Overall ratios
1st . . . . . . .
. . .33,211
2nd . . . . . . .
. . 22,204
3rd . . . . . . .
. . .16,447
4th . . . . . . .
. . .13,569
5th . . . . . . .
. . .11,775
6th . . . . . . .
. . .10,727
Chassis Frame Type
- Double tube cradle with steel round tubes; rear frame with steal
square tubes
Front suspension
Type - "Upside-Down" telescopic hydraulic fork with advanced axle
Fork legs dia
mm/in40 / 1.57
Travel on legs
axis mm/in. . . . . . .260 / 10.24
Front fork
manufacturer "MARZOCCHI"
Rear suspension
Type - Progressive "Soft Damp" type with single hydraulic shock
absorber; spring
preload adjustment
Wheel travel mm/in
290 / 11.42
Shock absorber
manufacturer "SACHS"
Front brake Type -
"BREMBO", fixed disc type with floating caliper
Disc dia. mm/in
260 / 10.24
Rear brake Type "BREMBO",
disc type with floating caliper
Disc dia mm/in
220 / 8.66
Front rim Material
Light alloy
Size 1,60"x21"
Rear rim Material
Light alloy
Size.2,15"x18"
Front tire Type
“PIRELLII” MT 21
Size 90/90 - 21"
Rear tire Type
“PIRELLII” MT 81
Size 120/90 - 18"
Electrical
equipment
Voltage 12 V
Lamps wattage
Head
light 55/60 W
Pilot light
3 W
Tail
light 5 W
Stop light
21 W
Turn signals
10 W
Instruments light
2 W
Warning light
1,2/2 W
Battery
12 V - 3 Ah
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