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General
features
Dimensions, weight, capacities
Wheelbase mm/in. 1470 / 57.9
Overall
length mm/in. 2185 / 86
MAX. /
Overall width mm/in. 820 / 32.28
Overall
height mm/in. 1300 / 51.18
Saddle
height mm/in. 980 / 38.6
Min.
ground clearance mm/in. 355 / 13.98
Trail
mm/in. 111 / 4.37
Wet
weight Kg/lb. 101,5 / 223.8
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. 66.4 / 2.61
Stroke
mm/in. 72 / 2.83
Displacement cm 3 /cu.in. 249,3 / 15.21
Compression ratio (at closed ports) 8,4:1
Starting Kick-starter
Cooling
By liquid Water radiator N° 2
Timing
system
Type
Reed valve in the cylinder and "H.T.S." valve with mechanic control
on the exhaust port
Valve
timing
Exhaust
184°
Intake
Reed valve
Transfer 116°
Lubrication
Engine
Fuel-oil pre-mixture of 50:1
Transmission- primary drive By the oil contained in the crankcase
Ignition Type C.D.I. electronic, with variable advance (digital
control)
Spark
plug type "NGK" BR 8EG Spark plug gap mm/in0,6÷0,7 / 0.0236÷0.0275
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 no8
Driven
disc no 7
Primary
drive
Engine
sprocket Teeth 27
Clutch
gear Teeth 69
Transmission ratio 2.555
Transmission Type Constant mesh gear type
Speed
gears no 5
Internal ratios
1st
2,142 (30/14)
2nd
1,750 (28/16)
3rd
1,437 (23/16)
4th
1,210 (23/19)
5th
1,053 (20/19)
TRASMISSIONE SECONDARIA / Secondary drive
Transmission sprocket Teeth 13
Rear
wheel sprocket Teeth 48
Transmission ratio 3,692
Driving
chain Manufacturer and type "D.I.D." 520DS-5/8"x1/4"; "REGINA" RX
Overall
ratios
1st
20,220
2nd
16,513
3rd
13,564
4th
11,422
5th 9,932
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
Rear
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 (62)-MT 32 Size 110/90-19"
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