| YAMAHA XJ 750 Seca | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Yamaha lunched in 1981 one of the most technically advanced motorcycles of its time. Yamaha built the big XJ 750 Seca around a sweetheart of an engine, an enlarged version of 1980’s cruiser surprise, the 650 Maxim. The 750 version of the Seca was understr | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 749 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 2.5x2.2 in OR 64 mm | - |
| Compression Ratio | |
| 9.2:1 | - |
| Horsepower | |
| 76/9000 KW(hp)/RPM | - |
| Torque | |
| 49/7500 lb-ft/RPM OR 66/7500 Nm/RPM | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| 4x34mm Mikuni Carburetors | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | 6-speed |
| Clutch | |
| Wet multi-plate | Compact dry clutch |
| Final Drive | |
| Shaft | Chain |
| chassis specs | |
| Frame | |
|---|---|
| Double cradle | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| Telescopic Forks | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| Swing Arm | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| Single 269mm Disc | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| Drum | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 86.4 in OR 2195 mm | - |
| Seat Height | |
| - | 31.5 in OR 800 mm |
| Weelbase | |
| 56.9 in OR 1445 mm | - |
| Weight | |
| 531 lbs OR 241 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 5 gallons OR 18.9 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 56.9 in OR 1445 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| 3.25-19 | 120/70-17 Michelin Power RS |
| Rear | |
| 120/90-18 | 240/45-17 Michelin Power RS |
