21-2 GS500K5/UK5/FK5/FUK5 (’05-MODEL)
SPECIFICATIONS
DIMENSIONS AND DRY MASS
Overall length ...................................................................................... 2 080 mm (81.9 in)
Overall width ....................................................................................... 800 mm (31.5 in)
Overall height ...................................................................................... 1 060 mm (41.7 in) .........................................GS500/U
1 150 mm (45.3 in) .........................................GS500F/FU
Wheelbase .......................................................................................... 1 405 mm (55.3 in)
Ground clearance................................................................................ 150 mm (5.9 in) ...........................................GS500/U
120 mm (4.7 in) ...........................................GS500F/FU
Seat height.......................................................................................... 790 mm (31.1 in)
Dry mass............................................................................................. 174 kg (383 lbs)..........................................GS500/U
180 kg (396 lbs)..........................................GS500F/FU
ENGINE
Type..................................................................................................... Four-stroke, air-cooled, DOHC
Number of cylinders ............................................................................ 2
Bore .................................................................................................... 74.0 mm (2.913 in)
Stroke.................................................................................................. 56.6 mm (2.228 in)
Displacement ...................................................................................... 487 cm
3
(29.7 cu. in)
Compression ratio............................................................................... 9.0 : 1
Carburetor ........................................................................................... BSR34, twin
Air cleaner........................................................................................... Non-woven fabric element
Starter system..................................................................................... Electric
Lubrication system .............................................................................. Wet sump
Idle speed ........................................................................................... 1 200 ± 100 r/min
DRIVE TRAIN
Clutch.................................................................................................. Wet multi-plate type
Transmission ....................................................................................... 6-speed constant mesh
Gearshift pattern ................................................................................. 1-down, 5-up
Primary reduction ratio........................................................................ 2.714 (76/28)
Gear ratios, Low ................................................................................. 2.461 (32/13)
2nd.................................................................................. 1.777 (32/18)
3rd .................................................................................. 1.380 (29/21)
4th................................................................................... 1.125 (27/24)
5th................................................................................... 0.961 (25/26)
Top.................................................................................. 0.851 (23/27)
Final reduction ratio............................................................................. 2.437 (39/16)
Drive chain .......................................................................................... D.I.D. 520VM, 110 links
CHASSIS
Front suspension................................................................................. Telescopic, coil spring, oil damped
Rear suspension ................................................................................. Link type, coil spring, oil damped
Front suspension stroke...................................................................... 120 mm (4.7 in)
Rear wheel travel ................................................................................ 115 mm (4.5 in)
Caster ................................................................................................. 25° 05’
Trail...................................................................................................... 97 mm (3.82 in)
Steering angle..................................................................................... 35°
Turning radius ..................................................................................... 2.7 m (8.9 ft)
Front brake.......................................................................................... Disc brake
Rear brake .......................................................................................... Disc brake
Front tire size ...................................................................................... 110/70 17M/C 54H, tubeless
Rear tire size....................................................................................... 130/70 17M/C 62H, tubeless
ELECTRICAL
Ignition type......................................................................................... Electronic ignition (transistorized)
Ignition timing...................................................................................... 5° B.T.D.C. at 1 200 r/min .............................P-03, 28, 33
12° B.T.D.C. at 1 200 r/min .............................Others
Spark plug........................................................................................... NGK DPR8EA-9 or DENSO X24EPR-U9
Battery................................................................................................. 12 V 39.6 kC (11 Ah)/10 HR
Generator............................................................................................ Three-phase A.C. generator
Fuse .................................................................................................... 20 A
Headlight............................................................................................. 12 V 60/55 W
Position light........................................................................................ 12 V 4 W.......................GS500/U...................Except P-03, 24, 28, 33
12 V 5 W.......................GS500F/FU
Turn signal light ................................................................................... 12 V 21W
Brake light/Taillight .............................................................................. 12 V 32/3 cp (× 2 pcs.) ...................................P-03, 28, 33
12 V 21/5 W (× 2 pcs.)....................................Others
Speedometer light............................................................................... 12 V 1.7 W
Tachometer light.................................................................................. 12 V 1.7 W
Neutral indicator light .......................................................................... 12 V 1.7 W
High beam indicator light .................................................................... 12 V 1.7 W
Turn signal indicator light .................................................................... 12 V 1.7 W
Oil pressure indicator light .................................................................. 12 V 1.7 W