Specification Desc./Quantity
Full loaded weight (rider only) 279 kg (615 lb)
Engine
ENGINE
Specification Desc./Quantity
Model V4
Type 65° longitudinal V-4, 4-stroke, 4 valves per cylinder, double
overhead camshafts.
Engine capacity 999 cm³ (60.96 cu.in)
Bore / stroke 78 mm / 52.26 mm (3.07 in / 2.06 in)
Compression ratio 13 : 1
Engine idle speed 1,500 ± 100 rpm
Engine revs at maximum speed 12,300 ± 100 rpm
Clutch Multiplate wet clutch with mechanical control lever on left side
of the handlebar Anti-juddering and slipper clutch systems
Electric starter
TIMING SYSTEM Morse chain on intake camshaft, cam to cam gear, bucket tap-
pets and valve clearance adjustments with calibrated pads
Acceptable values with control clearance between cam and
valve
intake: 0.10 - 0.15 mm (0.0039 - 0.0059 in) exhaust: 0.20 - 0.25
mm (0.0079 - 0.0098 in)
Lubrication system Wet sump with oil radiator
Oil pump Dual trochoidal pump (lubrication + cooling)
Oil filter With external cartridge filter
Cooling Fluid
Cooling system 3-way thermostatic valve, cooling radiator with electric fan and
expansion tank
Coolant pump Centrifugal bearingless aspirating pump with integrated ce-
ramic gasket
Air filter Paper
Alternatively:
Air filter In cotton
Transmission
GEAR RATIOS
Specification
Desc./Quantity
Primary drive ratio 44 / 73 (with gears)
1st gear ratio 15 /39 (secondary)
2nd gear ratio 16 /33 (secondary)
3rd gear ratio 20 / 34 (secondary)
4th gear ratio 22 /32 (secondary)
5th gear ratio 26 /34 (secondary)
6th gear ratio 27 /33 (secondary)
Final drive gear ratio 16 / 42
Capacities
CAPACITY
Specification
Desc./Quantity
Fuel capacity (reserve included) 17 l (3.74 UK gal)
Fuel tank reserve 3.6 l (0.79 UK gal)
Engine oil oil and filter change 4 l (0.88 UK gal)
Coolant 2.6 l (0.57 UK gal)
Seats 2
Maximum weight capacity 197 kg (434 lb)
Fork oil 427 +/- 5 cm³ (26.06 +/- 0.30 cu.in) (right stem)
430 +/- 5 cm³ (26.24 +/- 0.30 cu.in) (left stem)
Characteristics TUONO V4 R
CHAR - 12
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