Yamaha XS 500 (1977-78)

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The Yamaha XS 500 (1977-78) is a motorcycle with a four-stroke, parallel twin-cylinder engine and a capacity of 498cc. It has a bore x stroke of 73 59.6mm, a compression ratio of 9.6:1, and uses a wet sump lubrication system. The bike’s induction is through 2x 38mm Mikuni carburetors, and the ignition is battery and coil powered. The XS 500 also features an electric and kick starting system, with a maximum power output of 48 hp/36.5 kW @ 8500 rpm and a maximum torque of 4.5 kgf-m /32.5 lb-ft @ 6500 rpm. The bike has a five-speed gearbox and a chain final drive.

The XS 500 is built on a full cradle frame that is 100% circular steel pipes and has a duplex design. The motorcycle’s front suspension is a telescopic fork, while the rear suspension is dual shocks with a preload adjustment option. The braking system on this bike consists of a single 267mm disc brake on the front and a single disc brake on the rear. The front tire measures 3.25-19, while the rear tire measures 3.50-18. The bike’s seat height is approximately 812mm/32 inches, and it has a wet weight of 207.7kg/458lbs, with a fuel capacity of 12.8 liters/3.4 US gallons.

The XS 500 has an average fuel consumption of 46 mpg and can reach a top speed of 105 mph/169 km/h. The bike’s braking distance from 60-0/100-0 is not available, but its standing quarter-mile time is 14.36 seconds.

Technical specifications:

Make Model: Yamaha XS 500 / TX500

Year: 1977 – 78


Engine: Four stole, parallel twin cylinder. DOHC
Capacity: 498 cc / 30.5 cu-in
Bore x Stroke: 73 59.6 mm
Cooling System: Air cooled
Compression Ratio: 9.6:1
Lubrication: Wet sump
Induction: 2x 38mm Mikuni carburetor
Ignition: Battery and coil
Starting: Electric & kick
Max Power: 48 hp / 36.5 kW @ 8500 rpm
Max Torque: 4.5 kgf-m / 32.5 lb-ft @ 6500 rpm
Transmission: 5 Speed
Final Drive: Chain
Frame: Full cradle frame – Duplex type” and is 100% of circular steel pipes!
Front Suspension: Telescopic fork.

Rear Suspension: Dual shocks swing arm, preload adjustable!
Front Brakes: Single 267mm disc
Rear Brakes: Single disc
Front Tyre: 3.25-19
Rear Tyre: 3.50-18
Seat Height: 812 mm / 32 in
Wet Weight: 207.7 kg / 458 lb
Fuel Capacity: 12.8 Litres / 3 4 US gal
Consumption Average: 46 mpg
Braking 60 – 0 / 100 – 0: – / 139 ft
Standing 1/4 Mile: 14.36 sec
Top Speed: 105 mph / 169 km/h

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