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 |
