At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
Engine Type
Longitudinal V 60° twin;, 4-stroke. Anti-vibration double countershaft (AVDC patent)
Fuel
95 RON unleaded petrol
Cooling
Liquid cooled, with 3 way pressurised circuit; double radiator; circuit capacity 2.6 litres
Bore & Stroke
97 x 67.5 mm
Displacement
997.62cc
Compression Ratio
11.4:1
Distribution
4 valves per cylinder, double overhead camshaft operated by a mixed gear/chain system
Feeding
Integrated system for electronic engine management. Indirect multi-point injection. 51 mm diameter throttle bodies.
Ignition
Electronic digital with TSI Twin Spark Ignition per cylinder integrated with injection
Start-up
Electric
Battery
12V
Alternator
400W
Lubrication
Dry sump with separate oil reservoir, double trochoidal pump with oil cooling radiator
Primary Transmission
Straight tooth gear, transmission ratio: 60/31
Gearbox
6 ratio transmission
End Transmission
Chain; transmission ratio: 42/17
Clutch
Multiple disk in oil bath with power-assisted hydraulic control (PPC patent)
Frame
Aluminium alloy box-type sloping double beam, removable aluminium alloy saddle mount. Ohlins Racing double chamber steering damper & single block attachment.
Front Suspension
Showa 43mm upside-down fork with adjustment for preload, compression and rebound dampening. 120mm wheel travel.
Rear Suspension
Aluminium alloy swingarm with differential section members. APS (Aprilia Progressive System) linkage. Boge hydraulic monoshock with adjustment for preload, compression & rebound dampening. Wheel travel 135mm.
Front Brakes
Brembo double stainless steel floating disks, 320mm diameter; caliper with 4 pistons 34mm diameter; 4 pads in sintered material metal braid brake tubes.
Rear Brakes
Brembo stainless steel disc, 220mm diameter. Caliper with 2 pistons, 32mm diameter; metal braid brake tubes & pads in sintered material.
Wheels
Forged aluminium alloy; Front: 3.50 x 17"; Rear: 6.00 x 17"
Tyres
Tubeless radial; Front: 120/70 ZR17 Rear: 190/50 ZR17 (alternative: 180/55 ZR17)
Fuel Capacity
18 litres (reserve 4 litres)
Dry Weight
183kg (Front 50%, Rear 50%)
Dimensions
Length: 2070 mm
Height: 1200 mm
Width: 800 mm
Wheelbase: 1415 mm.
Seat Height: 820 mm
Source: John Sample Group
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