Honda CX500, GL500, CX650, GL650, Turbo Specs

CX500 and CX500 Turbo Specifications

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Power (at crank):
48hp/36kW/49PS
82hp/59.9kW
Power (at rear wheel): ? ? ? ? 76hp/56.6kW
0-100km/hr 6.0-6.2 seconds 4.9sec
Quarter Mile 13.99sec @ 150km/hr (93mph) 12.38sec @ 170km/hr (106mph)
Top Speed 206km/hr(128mph)

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Dimensions and Capacities

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Length
2,185mm (86″)
2,150mm (84.6″) 2,240mm (89″)
2,235mm (AU, S.Africa)
2,260mm (89″)
Width
865mm (34.1″)
875mm (34.4″) 755mm (29.7″) 720mm (28.3″)
Height 1,175mm (46.3″) 1,165mm (45.9″) 1,170mm (46.1″) 1,190mm (46.9″) 1,345mm (53″)
Wheelbase
1,455mm (57.3″)
1,495mm (58.9″)
Seat Height 810mm 800mm (31.5″) 790mm (31.1″) 795mm (31.3″) 790mm (31.1″)
Footpeg height
335mm (13.2″)
325mm (12.8″) ? ?
Ground clearance 150mm (5.9″)
145mm (5.7″)
165mm (6.5″) 150mm (5.9″)
Dry Weight 200kg (441lb) 205kg (452lb) 202kg (445lb) 208kg (459lb) 239kg (527lb)
Wet Weight 228kg (503lb) 260kg (573lb)
Engine Weight
65kg (143lb)
72kg (159lb) 78kg (172lb)

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Frame, Wheels and Tyre Specs

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Frame Type
Diamond
Rake 26.5 degrees
26.75 degrees
27 degrees
Trail 100mm (3.9″)
105mm (4.1″)
110mm (4.3″)
Front axle type In-line In-line In-line ’79-’80, leading axle ’81-’82 In-line In-line
Front suspension
Telescopic forks
Telescopic fork with TRAC anti-dive
Fork Diameter
33mm
33mm ’79-’80, 35mm ’81-’82 (USA)
37mm
Front fork oil capacity
135cc, fill from dry
250cc right, 265cc left post-disassembly 310cc (10.5 US oz) post-disassembly
Front suspension travel
139.5mm (5.5″)
150mm (5.9″) 130mm (5.1″)
Front suspension air pressure N/A for ’78-?
N/A for ’79-80
10-16psi for ’81+
11-17psi
Rear suspension
Twin shock absorbers, swingarm
Pro-Link monoshock, swingarm
Rear suspension travel
85mm (3.3″)
110mm (4.3″) 105mm (4.3″… hmm)
Rear suspension oil capacity
?
270cc (9.1 US oz) 540cc (18.3 US oz.. check)
Rear suspension air capacity
?
135cc (4.6 US oz) 180cc (6.1 US oz)
Rear suspension air pressure
N/A
Front wheel type 18″ Boomerang Comstar, silver
Front tyre size 3.25S 19-4PR
3.50S 19-4PR
100/90 18 56S 3.50H 18-4PR
Front tyre air pressure (cold) 24psi
28psi, any load
Rear wheel 16″ Reverse Comstar 18″ Boomerang Comstar, silver
Rear tyre 3.75S 18-4PR
130/90 16 67S
120/80 18 62S 120/90 17 64H
Rear tyre air pressure (cold) 28-36psi
28psi <90kg load, 32psi >90kg
29psi <90kg load, 36psi >90kg 36psi <90kg load, 40PSI >90kg

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Brake Specs

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Front brake type
Single disc
Dual disc, dual piston caliper
Front brake diameter ? ? ?
276mm (10.87″)
Front brake swept area ?
601cm²
952cm² 517cm² (check)
Rear brake type
Drum
Single disc
Rear brake diameter ? ? ?
276mm (10.87″)
Rear brake swept area ?
201cm²
476cm² (check) 283cm² (check)

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Engine Specifications

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo Specifications
Type
Naturally aspirated V-twin
Turbo V-twin
Displacement:
497cc
Bore:
78mm
Stroke:
52mm
Compression Ratio:
10:1
7.2:1
Cylinder Compression
171psi
100-142psi
Lubrication System
Forced pressure, wet sump
Oil Pump Delivery
9.3-9.5L/min @ 3,000rpm
35L/min @ 3,300rpm
Oil Capacity
After draining
3.0L (3.2 US qt) (not 2.5?)
2.5L (2.6 US qt) 3.0L (3.2 US qt)
After disassembly 3.0L (3.2 US qt) ? ? 3.5L (3.7 US qt)
Cooling system Radiator + mechanically driven fan Radiator + mechanically driven fan Radiator + mechanically driven fan ’79-? Radiator + electric fan Radiator + electric fan
Cooling system capacity
After draining ? ? ? 1.5L (1.6 US qt)
After disassembly
2.0L (0.52 US gal)
2.1L (2.2 US qt)
Radiator cap release pressure
0.9 bar/13psi
Fuel Delivery
Twin carburetors
Fuel Injection

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Valvetrain Specs

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Valvetrain:
Overhead valves, chain driven, pushrod
At 0mm lift:
Intake valve opens:
75° BTDC
? 77° BTDC
Intake valve closes:
115° ABDC
? 110° ABDC
Exhaust valve opens:
111° BBDC
? 98° BBDC
Exhaust valve closes:
71° ATDC
? 83° ATDC
At 1mm lift:
Intake valve opens:
6° BTDC
5° BTDC
Intake valve closes:
46° ABDC
30° ABDC
Exhaust valve opens:
46° BBDC
30° BBDC
Exhaust valve closes:
6° ATDC
5° ATDC
Intake valve clearance, cold:
0.08mm (0.003″)
0.10mm (0.004″)
Exhaust valve clearance, cold:
0.10mm (0.004″)
0.12mm (0.005″)

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Fuel System Specs

CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Fuel system type
Twin carburetor
Computerised Fuel Injection
Carburetor type
Constant Velocity (CV), 35mm
N/A
Carburetor ID VB26A VB23A VB27A N/A
Fuel pressure
N/A
36.3psi
Fuel pump type
N/A
Electric
Fuel capacity 17.5ltr/4.6gal 11ltr/2.9gal 19L/5gal (500EC) 20ltr/5.3gal
Fuel reserve level 3.5L (0.9 US gal) 5L (1.3 US gal)
Fuel type 91 RON 94 RON

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Drivetrain Specs

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CX500 Standard CX500 Deluxe CX500 Custom CX500EC Sports CX500TC Turbo
Clutch
Wet multi-plate
Transmission Ratios:
Primary reduction ratio:
2.242 (74/33)
2.056 (74/36)
1st
2.733 (41/15)
2.5 (40/16)
2nd
1.850 (37/20)
1.714 (36/21)
3rd
1.416 (34/24)
1.28 (32/25)
4th
1.148 (31/27)
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