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General
features
Dimensions, weight, capacities
Wheelbase mm/in. 1460 / 57.48
Overall
length mm/in. 2165 / 85.24
Overall
width mm/in. 820 / 32.28
Overall
height mm/in. 1300 / 51.18
Saddle
height mm/in. 980 / 38.58
Min.
ground clearance mm/in. 370 / 14.57
Trail
mm/in. 104 / 4.1
Wet
weight Kg/lb. 94,8 / 209
Fuel
tank capacity 8,5
U.S.
Gallons 2.24
Imp.
Gallons 1.87
Transmission oil 0,80
U.S.
Quarts 0.84
Imp.
Quarts 0.70
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 ports) 8,8: 1
Starting Kick starter
Cooling
By liquid
Water radiator N°2
Timing
system
Type Reed valve in the
crankcase and "H.T.S." valve with mechanic control on the exhaust
port
Valve
timing
Exhaust
184°
Intake
Reed valve
Transfer 128°
Lubrication
Engine
- Fuel-oil pre-mixture of 33:1
Transmission- primary drive
By the oil
contained in the crankcase
Ignition
Type
C.D.I. electronic, with variable advance (digital
control)
Spark
plug type "CHAMPION" QN84/"NGK" BR 9EG
Spark
plug gap mm/in 0,6 / 0.0236
Fuel
system Carburetor manufacturer and type
"MIKUNI" TMX 38
Venturi diameter mm/in. 38 / 1.49
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 71
Transmission ratio 3.227
Transmission Type Constant mesh gear type
Speed
gears no 6
Internal ratios
1st
2,357 (33/14)
2nd
1,866 (28/15)
3rd
1,579 (30/19)
4th
1,350 (27/20)
5th
1,181 (26/22)
6th
1,000 (21/21)
Secondary drive
Transmission sprocket Teeth 13
Rear
wheel sprocket Teeth 50
Transmission ratio 3,846
Driving
chain Manufacturer and type "REGINA" 135RX-5/8"x1/4"; "D.I.D."
520V6-5/8"x1/4"
Overall
ratios
1st
29,258
2nd
23,170
3rd
19,599
4th
16,757
5th
14,669
6th 12,412
Chassis
Frame Type Steel single tube cradle (round tubes);rear frame in
light alloy
Front
suspension
Type
"Upside-Down" telescopic hydraulic fork with advanced axle;
compression and rebound stroke adjustment
Fork
legs dia. mm/in. 45 /1.77 Travel on legs axis mm/in. 300 / 11.8
Front fork manufacturer "MARZOCCHI"
Rear
suspension Type Progressive "Soft Damp" type with single hydraulic
shock absorber; spring preload adjustment, compression and rebound
adjustment (compression stroke: double adjustment)
Wheel
travel mm/in. 320 / 12.6
Shock
absorber manufacturer "SACHS"
Front
brake Type "BREMBO", fixed disc type with hydraulic control and
floating caliper, Disc dia. mm/in 260 / 10.24
Rear
brake Type "BREMBO", floating disc type with hydraulic control and
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”x19”
Front
tire Type "PIRELLI" 51R-MT 32A Size 80/100-21"
Rear
tire Type "PIRELLI" NHS (57)-MT 32 Size 100/90-19"
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