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Characteristics
Specification
Bore / stroke
Engine capacity
Compression ratio
Electric
Engine idle speed
Clutch
Lubrication system
Air filter
Cooling
Timing system diagram
Values valid with control clearance between rocker and valve
Transmission
Specification
Primary drive
Gearbox
Gear ratios, 1st gear
Gear ratios, 2nd gear
Gear ratios, 3rd gear
Gear ratios, 4th gear
Gear ratios, 5th gear
Gear ratios, 6th gear
Final drive
Capacities
Specification
Engine oil
Gearbox oil
Transmission oil
Fuel (reserve included)
Fuel reserve
Maximum weight allowed - standard version
Maximum weight allowed - NTX version
Electrical system
Specification
Spark plug
Alternatively:
Spark plug
Electrode gap
Battery
Alternator (permanent magnet type)
Main fuses
Auxiliary fuses
Front daylight running lights
CHAR - 12
TRANSMISSION
Ratio
CAPACITIES
Seats
ELECTRICAL SYSTEM
STELVIO 4V - 1200
Desc./Quantity
95 x 81.2 mm (3.74 x 3.20 in)
1151 cm³ (70 cu.in)
11 : 1
starter
1100 ± 100 rpm
hydraulically controlled single-plate dry clutch with incorpora-
ted flexible coupling
Pressure-fed, controlled by valves and trochoidal pump
cartridge-type dry filter
air and oil cooled with independent trochoidal pump and oil
pressure control valve
single overhead camshaft with bucket tappets and rocker-op-
erated valves
intake: 0.15 mm (0.0059 in)
outlet: 0.20 mm (0.0079 in)
Desc./Quantity
Helical gears, ratio 26/35 = 1:1.346
Mechanical, 6 speeds with foot lever on the left hand side of
the engine
17/38 = 1:2.2353
20/34 = 1:1.7
23/31 = 1:1.3478
26/29 = 1:1.1154
31/30 = 1:0.9677
29/25 = 1:0.8621
with U-joint
12/44 = 1:3.6667
Desc./Quantity
Oil change and oil filter replacement: 3,500 cm³ (214 cu.in)
500 cm³ (30.5 cu.in)
380 cm³ (23.2 cu.in)
18 ± 1.5 l (3.96 ± 0.33 UK gal)
4 l (0.88 UK gal)
475 kg (1047 lb)
495 kg (1091 lb)
Desc./Quantity
NGK PMR8B (long life)
NGK CR8EKB (long life)
0.6 - 0.7 mm (0.024 - 0.028 in)
12 V - 18 Ampere/hour
12 V - 550 W
30A - 40A
3 A - 15 A
12V - 5W
2
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