Honda NT650 Bros (1987-89)

The Honda NT 650 Bros MKI was produced from 1987-89 and featured a liquid-cooled, 647cc V-twin engine capable of producing 56.1 hp and 56.9 Nm of torque. The bike had a 5-speed transmission and a chain final drive. The front suspension consisted of 41mm telescopic forks, while the rear suspension was a pro-arm single shock with preload and rebound damping adjustment. The front brakes were single 316mm discs with 2 piston calipers, while the rear brakes were a single 276mm disc with 1 piston caliper. The bike had a 27-degree rake, a 1430mm wheelbase, and a seat height of 773mm. The dry weight was 165 kg, while the wet weight was 184.2kg with a fuel capacity of 12 litres. The average fuel consumption was 46.6 mpg, and the standing quarter-mile was completed in 13.6 seconds with a top speed of 107 mph.

---

Technical specifications:

Make Model: Honda NT 650 Bros MKI

Year: 1987-89

Engine: Four stroke, 52 degreesV-Twin cylinder, SOHC, 3 valve per cylinder

Capacity: 647 cc / 39.4 cu-in

Bore x Stroke: 79 x 66 mm

Cooling System: Liquid cooled

Compression Ratio: 9.2:1

Induction: 2x36mm equal pressure flat slide carburetors

Ignition: Digital transistorized

Starting: Electric

Max Power: 56.1 hp / 40.9 kW @ 7897 rpm

Max Torque: 56.9 Nm / 43 lb-ft @ 6053 rpm

Clutch: Wet Plate

Transmission: 5 Speed

Final Drive: Chain

Front Suspension: 41mm Telescopic forks

Rear Suspension: Pro-arm single shock, preload and rebound damping adjustment.

Front Brakes: Single 316mm discs 2 piston calipers

Rear Brakes: Single 276mm disc 1 piston caliper

Front Tyre: 110/80-17

Rear Tyre: 150/70-17

Rake: 27 degrees

Trail: 112 mm / 4.4 in

Wheelbase: 1430 mm / 56.3 in.

Seat Height: 773 mm / 30.6 in

Dry Weight: 165 kg / 363.7 lbs

Wet Weight: 184.2 kg / 406 lbs

Fuel Capacity: 12 Litres / 3.2 US gal

Consumption Average: 46.6 mpg

Standing 1/4 Mile: 13.6 sec / 93 mph

Top Speed: 107 mph