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Yamaha YX 600S Radian

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Make Model

Yamaha YX 600 Radian

Year

1988 - 90

Engine

Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.

Capacity

599 cc / 36.5 cu-in
Bore x Stroke 58.5 x 55.7 mm
Cooling System Air cooled
Compression Ratio 10.0:1

Induction

4X BS30 Mikuni Carburetor type

Ignition 

TCI
Spark Plug D8EA (NGK) or X24ESU (NIPPON DENSO)
Starting Electric
Battery 12N 12A-4A/12V 12AH

Max Power

66 hp / 49.2 kW @ 9500 rpm 

Max Torque

51.9 Nm / 38,3 ft.-lbs @ 7500 rpm
Clutch Wet malt-plate

Transmission 

6 Speed 
Final Drive Chain
Primary Reduction Ratio 22/21 x 65/28 (2.431)
Secondary Reduction Ratio  45/16 (2.812)
Gear Ratio 1st (2.733) 2nd 37/19 (1.947) 3rd 34/22 (1.545) 4th 31/25 (1.240) 5th 29/28 (1.035) 6th 27/30 (0.900)
Frame Double cradle

Front Suspension

Telescopic forks, Coil spring, oil damper
Front Wheel Travel 140 mm / 5.5 in

Rear Suspension

Swing arm, dual shock Coil spring, oil damper
Rear Wheel Travel 98 mm / 3.9 in

Front Brakes

2x 266mm discs 2 piston caliper

Rear Brakes

Drum

Front Tyre

110/90-16-59H

Rear Tyre

130/90-16 67H
Caster Angle 27°
Trail 128 mm / 5.04 in
Dimensions Lngth 2075 mm / 81.7 in
Width 770 mm / 30.3 in
Height 1095 mm / 43.1 in

Dry Weight

186 kg /
Wet Weight 197 kg / 434 lbs

Fuel Capacity

12. Litres / 3.2 US gal
Reserve 2.5 Litres / 0.7 US gal

Consumption Average

44 mpg

Standing ¼ Mile  

12.7 sec / 103 8 mph

Top Speed

125 mph
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