The Yamaha XJ900R Seca was first introduced in 1983 and was produced until 1984. It features a four-stroke, transverse four-cylinder DOHC engine, with a capacity of 853 cc and a compression ratio of 9.2:1. It has four 35mm Mikuni carburetors, CDI ignition, and an electric starter. The motorcycle has a maximum power output of 97 horsepower and a maximum torque of 80.2 Nm at 5000 rpm. The clutch is wet and has five springs, while the transmission is a five-speed manual. The final drive is a shaft.
The Yamaha XJ900R Seca has a steel tubular frame, with air-assisted telescopic forks at the front and twin strut gas-assisted, five spring preload, and 12 damping adjustable rear suspension. The front brakes are dual 254mm discs, and the rear brake is a single 254mm disc. The motorcycle has a 27-degree rake and a 120mm trail. It measures 2260mm in length, with a wheelbase of 1480mm and a seat height of 780mm.
The Yamaha XJ900R Seca has a wet weight of 244 kg and a fuel capacity of 22 liters. It can reach a top speed of 213km/h and do a standing quarter-mile in 11.8 seconds, reaching a speed of 112.3 mph. The motorcycle has a unique classic design that still captures the imagination of riders today.
Technical specifications:
Make Model: Yamaha XJ 900R Seca
| Year | 1983 – 84 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. |
| Capacity | 853 cc / 52 cu-in |
| Bore x Stroke | 67 60.5 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.2:1 |
| Induction | 4x 35mm Mikuni carburetor |
| Ignition | CDI |
| Starting | Electric |
| Max Power | 97 hp / 70.8 Nm @ 9000 rpm |
| Max Torque | 80.2 Nm / 59.3 lb-ft @ 5000 rpm |
| Clutch | Wet, 5 springs |
| Transmission | 5 Speed |
| Final Drive | Shaft |
| Frame | Steel tubular |
| Front Suspension | Air assisted telescopic forks, |
| Rear Suspension | Twin strut gas assisted, 5 spring preload and 12 damping adjustable, |
| Front Brakes | 2x 254mm discs |
| Rear Brakes | Single 254mm disc |
| Front Tyre | 100/90-18 |
| Rear Tyre | 120/90-18 |
| Rake | 27 degrees |
| Trial | 120 mm / 4.5 in |
| Length | 2260 mm / 88.9 in |
| Wheelbase | 1480 mm / 58.2 in |
| Seat Height | 780mm / 30.7 in |
| Ground clearance | 145mm / 5.7 in |
| Wet Weight | 244 kg / 537.9 lbs |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Standing 1/4 Mile | 11.8 sec / 112.3 mph |
| Top Speed | 213 km/h / 132.5 mph |