Categories: Gilera

Gilera Northwest 600 (1991)

The Gilera Northwest 600 was a motorcycle produced in 1991 with a four-stroke, single cylinder, DOHC engine and a capacity of 558 cc. With liquid cooling and a compression ratio of 10.5:1, the bike had a maximum power of 49.5 hp at 7250 rpm and a maximum torque of 51 Nm at 5500 rpm. It had a 5-speed transmission and used chain final drive. The front suspension comprised Morzocchi forks with 150mm wheel travel while the rear suspension used Boge shocks with variable preload and 150 mm wheel travel. The bike had front brakes with two 270mm discs with four-piston calipers and a single 240mm disc with two-piston caliper at the rear. It had front and rear tyres of size 120/60-17 and 160/60-17, respectively, and weighed 173 kg when wet. The bike had a fuel capacity of 12 litres and consumed an average of 17.5 km/lit. It had a braking distance of 13.1m at 60-0km/h and 37.32m at 100-0km/h, and a top speed of 170.9 km/h. Motosprint 1992 Performance Bike also provided a positive road test of the Gilera Northwest 600.


Technical specifications:

Make Model: Gilera Northwest 600

Year: 1991 –

Engine: Four stroke, single cylinder, DOHC, 4 valves

Capacity: 558 cc / 34.0 cu-in



Bore x Stroke: 98 x 74 mm

Cooling System: Liquid cooled

Compression Ratio: 10.5:1

Induction: 2X 30mm Teikei E30PV2A

Ignition: Nippondenso electronic

Starting: Electric & kick

Max Power: 49.5 hp / 36.5 kW @ 7250 rpm

Max Power Rear Tyre: 46 hp / 33.5 kW @ 7000 rpm

Max Torque: 51 Nm / 37 lb-ft @ 5500 rpm

Transmission: 5 Speed

Final Drive: Chain

Front Suspension: 41mmMorzocchi forks 150mm wheel travel

Front Wheel Travel: 150 mm / 5.9 in


Rear Suspension: Boge shocks variable preload

Rear Wheel Travel: 150 mm / 5.9 in

Front Brakes: 2x 270mm discs 4 piston calipers

Rear Brakes: Single 240mm disc 2 piston caliper

Front Tyre: 120/60-17

Rear Tyre: 160/60-17

Dry Weight /: 141 kg / 310 lbs

Wet Weight: 173 kg / 377 lbs

Fuel Capacity: 12 Litres / 3.17 US gal

Consumption Average: 17.5 km/lit


Braking 60 – 0 / 100 – 0: 13.1 m / 37.32m

Standing 1/4 Mile: 13.5 sec / 152.2 km/h

Top Speed: 170.9 km/h / 106 mph

Road Test: Motosprint 1992 Performance Bike
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