Tue. Apr 21st, 2026

Yamaha XJ 750 Seca

The Yamaha XJ 750 Seca, a model from the early 1980s, was part of Yamaha’s XJ series known for its inline-four engines and versatile performance. The XJ 750 Seca, in particular, represented a sporty and capable offering in the standard bike category. Powered by an air-cooled, inline-four engine with a displacement of 748cc, the XJ 750 Seca delivered a well-rounded mix of power and efficiency. Its design showcased a balance between a sporty aesthetic and practical features, with a full fairing, stepped seat, and a distinctive rectangular headlight. The combination of a double-cradle frame, telescopic front fork, and rear swingarm suspension contributed to a comfortable yet dynamic riding experience.

The XJ 750 Seca appealed to riders who sought a versatile motorcycle capable of handling both city commuting and highway cruising. With a sport-touring emphasis, it featured a comfortable riding position and amenities like a windscreen for added touring convenience. The XJ 750 Seca was well-regarded for its reliability and user-friendly nature, making it a popular choice for riders looking for a balanced and approachable motorcycle with a touch of sportiness. While no longer in production, the Yamaha XJ 750 Seca remains a nostalgic icon, embodying the spirit of the era and Yamaha’s commitment to creating motorcycles that offered both performance and practicality.

Yamaha XJ 750 Seca parameters

The Yamaha XJ 750 Seca, produced in the early 1980s, was a sporty standard motorcycle known for its inline-four engine and versatile performance. Here are the key parameters for the Yamaha XJ 750 Seca:

Yamaha XJ 750 Seca Parameters:

  1. Engine:
    • Type: Air-cooled, 4-stroke, DOHC, inline-four
    • Displacement: 748 cc
    • Bore x Stroke: 62.0 mm x 55.4 mm
    • Compression Ratio: 9.2:1
    • Fuel System: Four Mikuni BS34 carburetors
  2. Performance:
    • Maximum Power: Approximately 90 hp (67 kW) @ 9,000 rpm
    • Maximum Torque: Approximately 58.7 Nm (43.3 lb-ft) @ 7,500 rpm
    • Transmission: 5-speed constant mesh
  3. Chassis:
    • Frame Type: Double-cradle steel
    • Suspension:
      • Front: Telescopic fork
      • Rear: Dual shock absorbers with adjustable preload
    • Brakes:
      • Front: Dual hydraulic disc brakes
      • Rear: Single hydraulic disc brake
  4. Wheels and Tires:
    • Front Tire: 3.25-19
    • Rear Tire: 4.00-18
    • Wheelbase: 1,485 mm (58.5 inches)
  5. Dimensions:
    • Length: 2,175 mm (85.6 inches)
    • Width: 780 mm (30.7 inches)
    • Height: 1,145 mm (45.1 inches)
    • Seat Height: 780 mm (30.7 inches)
    • Ground Clearance: 140 mm (5.5 inches)
    • Fuel Capacity: 22 liters (5.8 gallons)
  6. Weight:
    • Dry Weight: Approximately 226 kg (498 lbs)
  7. Other Features:
    • Full fairing
    • Rectangular headlight
    • Digital instrumentation
    • Electric start

Please note that these specifications are general and may not reflect variations between different model years or regions.

Yamaha XJ 750 Seca