Naked Motorcycles
1986Yamaha YX 600 Radian
40 fields on record
The 1986 Yamaha YX 600 Radian is a lightweight naked bike powered by a 599cc inline-four engine delivering 52 horsepower, making it ideal for novice and intermediate riders seeking an affordable, manageable commuter. Known for its forgiving handling and practical design, the Radian suits everyday riders who prioritize reliability and ease of use over outright performance.
- Capacity
- 599.0 ccm
- Engine
- In-line four
- Gearbox
- 6-speed
- Wet weight
- 197.8 kg
- Seat height
- 765 mm
- Power
- 52.4 HP (38.5 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's built as a versatile 1980s standard naked, equally at home commuting, weekend backroad riding, or light sport use.
- Built for
- The Radian delivers classic Japanese four-cylinder charm with smooth power delivery, a free-revving nature, and simple, honest handling.
- Not ideal for
- It's not the right choice for riders wanting off-road capability, modern touring comfort, or serious high-speed sport performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 599.0 ccm
- Power
- 52.4 HP (38.5 kW)
- Torque
- 35.6 Nm (3.6 kgf-m)
- Engine type
- In-line four
- Power/weight ratio
- 0.2649 HP/kg
- Bore x stroke
- 58.5 x 55.7 mm
- Compression
- 10.0:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 2
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- wet plate
Performance
- Top speed
- 125.0 km/h (77.7 mph)
Dimensions & weight
- Wheelbase
- 1385 mm
- Overall length
- 2075 mm
- Overall width
- 770 mm
- Overall height
- 1095 mm
- Seat height
- 765 mm
- Wet weight
- 197.8 kg
- Fuel capacity
- 12.00 litres
- Ground clearance
- 145 mm
- Reserve fuel capacity
- 2.50 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- double downtube full cradle, box section steel wingarm
- Front suspension
- 36mm shocks
- Rear suspension
- 2 shock absorbers, adjustable for spring preload
- Front wheel travel
- 140 mm
- Rear wheel travel
- 98 mm
- Rake (fork angle)
- 27.0°
- Trail
- 128 mm
Brakes & wheels
- Front brakes
- Double disc
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 110/90-16
- Rear tyre
- 130/90-16
Other
- Color options
- blue, red, black
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Yamaha YX 600 Radian?
The 1986 Yamaha YX 600 Radian has a Capacity of 599.0 ccm (36.55 cubic inches).
What engine power does the Yamaha YX 600 Radian have?
The 1986 Yamaha YX 600 Radian has a Power of 52.4 HP (38.5 kW).
How many gears does the Yamaha YX 600 Radian have?
The 1986 Yamaha YX 600 Radian has a Gearbox of 6-speed.
What is the torque of the Yamaha YX 600 Radian?
The 1986 Yamaha YX 600 Radian has a Torque of 35.6 Nm (3.6 kgf-m or 26.3 ft.lbs).
How much does the Yamaha YX 600 Radian weigh?
The 1986 Yamaha YX 600 Radian has a Wet weight of 197.8 kg (436.1 pounds).
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