1978 Yamaha SR500
The 1978 1978 Yamaha SR500 packs a 499cc SOHC single engine with 32hp into a standard motorcycle package from Yamaha.
Specifications
Engine
- Type
- SOHC single
- Displacement
- 499 cc
- Cylinders
- 1
- Power
- 32 hp @ 6500 rpm
- Torque
- 37.0 Nm
- Compression
- —
- Bore × Stroke
- 87.0 × 84.0 mm
- Cooling
- Air-cooled
- Fuel System
- Mikuni carburetor
Chassis & Transmission
- Frame
- Steel semi-double cradle
- Front Suspension
- Telescopic fork
- Rear Suspension
- Twin shock
- Front Brake
- Single disc
- Rear Brake
- Drum
- Front Tyre
- —
- Rear Tyre
- —
- Transmission
- 5-speed
- Final Drive
- Chain
Performance
- Top Speed
- 145 km/h (90 mph)
- ¼ Mile
- —
Dimensions & Weight
- Dry Weight
- 158 kg (348 lbs)
- Wet Weight
- 172 kg (379 lbs)
- Seat Height
- 800 mm
- Wheelbase
- 1390 mm
- Ground Clearance
- —
- Fuel Capacity
- 12.0 L
History & Story
Yamaha's 1978 Yamaha SR500 arrived in 1978 as a standard motorcycle designed for the discerning rider. Produced in Japan, it quickly earned recognition as a capable standard motorcycle from the 1970s.
The 1978 Yamaha SR500 is motivated by a 499cc SOHC single single-cylinder unit delivering 32hp at 6500 rpm. Breathing through Mikuni carburetor and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.
Built around a steel semi-double cradle frame, the 1978 Yamaha SR500 suspends its 158 kg (348 lbs) on telescopic fork forks and twin shock rear units. Braking relies on single disc at the front and drum at the rear, with a 1390 mm wheelbase providing stability.
Performance-wise, the 1978 Yamaha SR500 achieves a claimed top speed of 145 km/h (90 mph). With a fuel capacity of 12.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 800 mm makes it comfortable for most riders.
Today, the 1978 Yamaha SR500 is considered a respected classic that attracts serious collector interest and continues to appreciate. Parts availability is rated as good, making ownership relatively straightforward. It remains an icon of Yamaha motorcycling from 1970s.
The 1978 Yamaha SR500 is motivated by a 499cc SOHC single single-cylinder unit delivering 32hp at 6500 rpm. Breathing through Mikuni carburetor and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.
Built around a steel semi-double cradle frame, the 1978 Yamaha SR500 suspends its 158 kg (348 lbs) on telescopic fork forks and twin shock rear units. Braking relies on single disc at the front and drum at the rear, with a 1390 mm wheelbase providing stability.
Performance-wise, the 1978 Yamaha SR500 achieves a claimed top speed of 145 km/h (90 mph). With a fuel capacity of 12.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 800 mm makes it comfortable for most riders.
Today, the 1978 Yamaha SR500 is considered a respected classic that attracts serious collector interest and continues to appreciate. Parts availability is rated as good, making ownership relatively straightforward. It remains an icon of Yamaha motorcycling from 1970s.
Known Issues
- Charging system rotor failures on early models
- Speedometer gear wear
Fun Facts
- The 1978 Yamaha SR500 is widely regarded as a milestone in motorcycle history
- The 1978 Yamaha SR500 was produced in Yamaha's Japan facilities
- The 1978 Yamaha SR500 featured a steel semi-double cradle frame typical of 1970s design philosophy
Collector Information
- Parts Availability
- Good
- Collector Rating
- 7/10
Resources & Parts
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