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Honda CX500 and CX500 Turbo Specifications

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CX500 and CX500 Turbo Specifications

CX500 variants and CX500 Turbo Performance Specs

	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

	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)				1.036 (29/28)
5th	0.931 (27/29)				0.867 (34/11)
Final Drive ratio	3.091 (34/11)
Maximum Speed in 1st	36mph
Maximum Speed in 2nd	53mph
Maximum Speed in 3rd	69mph
Maximum Speed in 4th	86mph
Maximum Speed in 5th	106mph

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

	CX500 Standard	CX500 Deluxe	CX500 Custom	CX500EC Sports	CX500TC Turbo
Ignition	Capacitive Discharge (early) Transistorised (later)	Capacitive Discharve ('79-?)	Capacitive Discharge (early) Transistorised (later)	Transistorised	Transistorised
Ignition timing 'F' mark	15° BTDC at 1,100rpm				25° BTDC at 1,100rpm
Maximum advance	37° +/- 3° BTDC
RPM from 'F' to max advance	1,750-6,000
Starter motor	Electric only
Alternator	Three phase 12V - 170W @ 5000rpm			252W @ 5000rpm	Three phase 12V - 340W @ 5000rpm
Battery	12V, 14ah
Spark plugs, standard riding	NGK D8EA (US), DR8ES-L (Canada)			NGK DR8ES-L	NGK DPR8EV-9
Spark plugs, extended high speed riding	?	NGK D9EA		NGK DR8ES	NGK DPR9EV-9
Spark plugs, below 5° C	?	NGK D7EA		?	NGK DPR7EV-9
Spark plug gap	0.6-0.7mm (0.024-0.028")				0.8-0.9mm (0.031-0.035")
Fuses	?	20A main, 10A sub			30A main, 15A sub-fuses

CX500 Standard/Deluxe, CX500 Custom, CX500EC Sports and CX500 Turbo Fuel Light Bulb Specifications

	CX500 Standard	CX500 Deluxe	CX500 Custom	CX500EC Sports	CX500TC Turbo
All are 12v
Headlight (high/low)	40/50W	65/50W, sealed beam		60/55W	60/55W H4 bulb (Phillips 12342/99 or equiv.)
Tail/brakelight	8/27W (3/32cp, #1157)			21/5W (23/8W AU)	8/27W (3/32cp, SAE #1157)
Turn signal or indicator	23/23W (32/32cp, front #1034, rear #1073)			21W (23W AU)	23W (32cp, SAE #1073)
Speedo/Tacho light		3.4W (2cp, SAE #57)	?		3.4W	3.4W (2cp, SAE #158)
Neutral indicator	3.4W (2cp, #57)			3.4W	3.4W (2cp, SAE #158)
Turn signal indicator	3.4W (2cp, #57)			3.4W	3.4W (2cp, SAE #158)
High beam indicator	3.4W (2cp, #57)			3.4W	3.4W (2cp, SAE #158)
Running light	?	8W (3cp, #1034)
Oil pressure warning light	3.4W (2cp, #57)	?		3.4W	3.4W (2cp, SAE #158)
Fuel system warning light	N/A				3.4W (2cp, SAE #158)
Fuel reserve light	N/A				3.4W (2cp, SAE #158)
Position light	?				4W
Parking light	8W (3cp, #1034)	?		?	?