Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valves
per cylinder
Capacity
904 cc / 55.2 cub. in.
Bore x Stroke
92 x 68 mm
Compression Ratio
10.4:1
Cooling System
Liquid cooled
Induction
Weber fuel injection
Ignition
Electronic
Starting
Electric
Max Power
85.3 kW / 117 hp @ 9000 rpm
Max Torque
85.3Nm / 8.7 kgf-m / 62.9 lb-ft.@ 8000 rpm
Transmission
6 Speed
Final Drive
Chain
Frame
Pair of upside down
boomerang shaped plates that envelope the engine on either side. They are
made of aluminium alloy and are machined not cast. The engine, unlike the
preceding series, has no load bearing functions. At the far ends of the
engine are the hinged swing arms, made of anticordal alloy.
Front Suspension
Swinging arm with Marzocchi single shock
stepless preload 10-way compression and 25-way preload damping adjustment
Rear Suspension
Marzocchi single shock stepless preload
10-way compression and 25-way preload damping adjustment
Front Brakes
2x 320mm discs 4 piston
calipers
Rear Brakes
Single 245mm disc 1 piston caliper
Front Tyre
120/70-17
Rear Tyre
180/55-17
Dry Weight
188 kg / 414.5 lbs
Fuel Capacity
16 Litres / 4.2 US gal
The "EF" series of the Tesi marks the final
edition of the bike. The only changes from the "ES" was the colouring. The "EF"
with frame number 1/25 was the only bike to have a half fairing in place of
the full fairing.