Yamaha YX 600 Radian - 1986 Specifications and Reviews
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.
1986
General information | |
| Category | Naked bike |
| Year | 1986 |
| Model | Yamaha YX 600 Radian |
Engine and Transmission Specifications | |
| Clutch | wet plate |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Lubrication system | wet sump |
| Starter | Electric |
| Ignition | TCI full transistor ignition |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Fuel system | Carburettor. 4 mikuni BS30´s 30mm Constant Vacuum |
| Bore x stroke | 58.5 x 55.7 mm (2.3 x 2.2 inches) |
| Compression | 10.0:1 |
| Max RPM | 12000 |
| Torque | 35.61 |
| Power | 52.43 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 599.00 ccm (36.55 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,385 mm (54.5 inches) |
| Ground clearance | 145 mm (5.7 inches) |
| Overall width | 770 mm (30.3 inches) |
| Overall length | 2,075 mm (81.7 inches) |
| Overall height | 1,095 mm (43.1 inches) |
| Alternate seat height | 765 mm (30.1 inches) If adjustable, highest setting. |
| Seat height | 765 mm (30.1 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 197.8 kg (436.0 pounds) |
| | |
Yamaha YX 600 Radian dimensions and frame | |
| Exhaust system | 4 into 2 system |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Double disc |
| Rear tyre dimensions | 130/90-16 |
| Front tyre dimensions | 110/90-16 |
| Rear suspension travel | 98 mm (3.9 inches) |
| Rear suspension | 2 shock absorbers, adjustable for spring preload |
| Front suspension travel | 140 mm (5.5 inches) |
| Front suspension | 36mm shocks |
| Trail | 128 mm (5.0 inches) |
| Rake (fork angle) | 27.0° |
| Frame type | double downtube full cradle, box section steel wingarm |
| | |
Speed and acceleration | |
| 60-140 km/h (37-87 mph), highest gear | 6.480 seconds |
| 1/4 mile (0.4 km) | 12.530 seconds |
| 0-100 km/h (0-62 mph) | 3.760 seconds |
| Top speed | 125.0 km/h (77.7 mph) |
Other specs | |
| Color options | blue, red, black |
| Fuel consumption pr. 10 km (6.2 miles) | 5.10 litres (1.35 gallons) |
| Reserve fuel capacity | 2.50 litres (0.66 gallons) |
| Fuel capacity | 12.00 litres (3.17 gallons) |



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