Yamaha YX600 Radian
The YX600 Radian is a sport/touring motorcycle manufactured by the Yamaha Motor Company between the years of 1986–1990. Except for the suspension, the rest of the Radian was a parts-bin motorcycle and came equipped with a slightly detuned for mid and low-end torque version of air-cooled, inline-4 which came from the Yamaha XJ600 that was also along with the Radian used in the Yamaha FZ-600 Sport Motorcycle (precursor of Yamaha's FZR series of performance bikes), as well as smaller carburetors and frame from the 550 Maxim.[1][2] Cycle World obtained for the Radian a 1/4 mi. time of 12.76 @ 103.8 mph (167.0 km/h) and 0 to 60 mph (0 to 97 km/h) acceleration at 4.0 seconds.
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| Manufacturer | Yamaha Motor Company |
|---|---|
| Parent company | Yamaha |
| Production | 1986 — 1990 |
| Class | Naked bike (standard) |
| Engine | 598cc, air-cooled, DOHC, inline-4 |
| Top speed | 125 mph (201 km/h)[1] |
| Power | 66 hp (49 kW)@ 9,500rpm (claimed)[1] 56 hp (42 kW)@ 9,500rpm (rear wheel)[1] |
| Torque | 38 lb⋅ft (52 N⋅m) @ 7,500 rpm (claimed)[2] |
| Wheelbase | 54.7 in (1,390 mm) |
| Weight | 198 kg (436 lb)[1] (wet) |
| Fuel capacity | 12 l; 2.7 imp gal (3.3 US gal) |
| Oil capacity | 2,200 ml (2.3 US qt) |
| Fuel consumption | 4.9 L/100 km; 58 mpg‑imp (48 mpg‑US) |
Specifications
Stock 1989 Yamaha YX600 Radian
| Overall length | 2,075 mm (81.7 in) |
| Overall width | 770 mm (30.3 in) |
| Overall height | 1,095 mm (43.1 in) |
| Model | 1UJ (YX600S), 1UL (YX600SC) |
| Displacement | 598 cc |
| Bore x Stroke | 58.5 x 55.7 mm (2.3 x 2.2 in) |
| Compression ratio | 10.0 : 1 |
| Starting system | electric starter |
| Lubrication system | Wet sump |
| Engine oil capacity (total amount) | 2.9 L (2.5 Imp qt, 3.1 US qt) |
| Fuel tank capacity | 12 L (2.6 Imp gal, 3.2 US gal) |
| Fuel reserve amount | 2.5 L (0.5 Imp gal, 0.7 US gal) |
| Carburetor type/manufacturer | BS30 x 4/MIKUNI |
| Clutch type | Wet, multi-disc |
| Transmission - Primary reduction system | Chain, Gear |
| Transmission - Secondary reduction system | Chain drive |
| Transmission type | Constant mesh 6-speed |
| Frame type | Double cradle |
| Caster angle | 27° |
| Trail | 128 mm (5.04 in) |
| Tire size (front) | 110/90-16-59H |
| Tire size (rear) | 130/90-16 67H |
| Brake type (front) | Dual, disk brake |
| Brake type (rear) | Drum brake |
| Suspension (front) | Telescopic fork |
| Suspension (rear) | Swing arm |
| Shock absorber (front) | Coil spring, oil damper |
| Shock absorber (rear) | Coil spring, oil damper |
| Wheel travel (front) | 140 mm (5.5 in) |
| Wheel travel (rear) | 98 mm (3.9 in) |
| Ignition system | TCI |
| Generator system | AC generator |
| Battery type/capacity | 12N 12A-4A/12V 12AH |
References
- "The Yamaha YX600S Radian". Motorcycle Classics. July–August 2009. Retrieved July 16, 2017.
- "Yamaha YX600 Radin". Cycle World. January 1986. Retrieved January 17, 2018.
External links
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