Serial Numbers

Model Year Introduced Frame # Engine #
CB500 K0 1971 06/01/1971 CB500-1000001 CB500E-1000001
CB500 K1 1972 04/01/1972 CB500E-2000001 CB500-2000001
CB500 K2 1973 04/10/1973 CB500E-2100001 CB500-2100001
Model Guide Table
1971 CB500 K0
The CB500K0 was available in Candy Jet Green, Candy Garnet Brown, and Star Light Gold. Features included a 2-tone gas tank w/black panel, 4-4 exhaust, and a 5-speed transmission.
1972 CB500 K1
The CB500 was unchanged for this model year. Available colors were: Candy Jet Green with Black, Candy Garnet Brown with Black, or Candy Gold with Black.
1973 CB500 K2
The colors for 1973 were: Candy Bucchus Olive with Black, Flake Sunrise Orange with Black, or Maxim Brown Metallic with Black. The Instruments were enlarged and tilted toward the rider more.
Price, suggested retail West Coast, POE $1,540
front 3.25 in. x 19 in.
rear 3.50 in. x 18 in.</td>
front 1.5 (x2) in. x 10.5 in.
rear 1.19 in. x 7.08 in.
Brake swept area 71.0 sq. in.
Specific brake loading 8.65 lb/sq. in., at test weight
type In-line four-cylinder SOHC
Bore and stroke 2.17 in. x 1.97 in., 56.Omm x 50.6mm
Piston displacement 30.0 cu. in., 498cc
Compression ratio 9.0:1
Carburetion 22mm Keihin
Air filtration </td> Paper filter
Ignition Battery and coil
Fuel capacity 3.7 gal.
Oil capacity 6.4 pts.
Lighting 12v, 110 watts
Battery 12v, 12ah
Gear ratios, overall
1st 15.3
2nd 10.6
3rd 8.24
4th 6.73
5th 5.84
Mph/1000 rpm, top gear 12.6
Wheelbase 55.5 in.
Seat height 31.7 in., with rider
Ground clearance 6.5 in., with rider
Curb weight 449 lbs., with full tank of gas
Test weight 614 lbs., with rider
Instruments Speedometer, Tachometer, Odometer, Trip Odometer
Sound level, Calif. Std 79.0 dB(A)
Standing start 1/4-mile 14.31 seconds 94.43 mph
Top Speed 105 mph (est)
Fuel consumption 41 mpg