Bimota YB9 SRI (1996)

The Bimota YB9 SRI is a rare motorcycle, with only 225 units produced in 1996. It has a four stroke, transverse four cylinder engine with DOHC 4 valves per cylinder and a capacity of 599cc. The compression ratio is 12.0:1 and it has a liquid cooling system with electronic injection. The ignition is integrated with injection using variable spark advance and it has an electric starting system. The maximum power output is 77.3 kW/106 hp @ 12500 rpm and the maximum torque is 64.3 Nm/6.6 kgf-m/47.3 lb-ft. @ 1000 rpm. The transmission is six speed, paired with a chain final drive. The bike has a unique frame with two diagonal beams in section bar made of aluminium with internal ribbing, supporting the cylinders with plates bolted to the beams, and a swing arm made of aluminium. The front suspension has a 41mm Paioli upside down fork with 22 possible settings and the rear suspension has a Paioli monoshock with preload, rebound, bump adjustment and can change wheelbase by +/- 5 mm. The front brakes have 2x 320mm discs and 4 piston calipers, while the rear brakes have a single 230mm disc and 2 piston caliper. The bike weighs 175 kg/385.8 lbs with a fuel capacity of 20 litres/5.3 US gal. The average consumption is 5.1 l/100 km/46.6 mpg, and its 60-0/100-0 braking distance is 12.9 m/36.8 m or 46.3 ft/120.7 ft. The standing 1/4 mile time is 11.6 sec, reaching speeds of 195.5 km/h/121.5 mph, while its top speed is 240.5 km/h/149.4 mph. In the 1996 Motoplus road test, the Bimota YB9 SRI was praised for its handling and power, making it a desirable motorcycle for collectors.

Technical specifications:

Make Model: Bimota YB9 SRI

Year: 1996
Production: 225 units
Engine: Four stroke, transverse four cylinder, DOHC 4 valves per cylinder.
Capacity: 599 cc / 36.6 cub. in.
Bore x Stroke: 62 x 49.6 mm
Compression Ratio: 12.0:1
Cooling System: Liquid cooled
Induction: Electronic injection
Ignition: Integrated with injection using variable spark advance
Starting: Electric
Max Power: 77.3 kW / 106 hp @ 12500 rpm
Max Power Rear Tyre: 95.hp @ 12400 rpm
Max Torque: 64.3 Nm / 6.6 kgf-m / 47.3 lb-ft. @ 1000 rpm
Transmission: 6 Speed
Final Drive: Chain
Frame: Two diagonal beams in section bar made of aluminium with internal ribbing. The cylinders are supported by plates bolted to the beams and the swing arm is made of aluminium
Front Suspension: 41mm Paioli upside down forks, 22 possible settings in compression and 24 in extension adjustable.
Rear Suspension: Paioli monoshock preload, rebound and bump adjustable. It is also possible to adjust the wheelbase by +/- 5 mm.
Front Brakes: 2x 320mm discs 4 piston calipers
Rear Brakes: Single 230mm disc 2 piston caliper
Front Tyre: 120/70 ZR17
Rear Tyre: 180/55 ZR17
Dry Weight: 175 kg / 385.8 lbs.
Fuel Capacity: 20 Litres / 5.3 US gal.
Consumption Average: 5.1 l/100 km / 46.6 mpg
Braking 60 – 0 / 100 – 0: 12.9 m / 36.8 m / 46.3 ft / 120.7 ft
Standing 1/4 Mile: 11.6 sec / 195.5 km/h / 121.5 mph
Top Speed: 240.5 km/h / 149.4 mph
Road Test: 1996 Motoplus