1980 Honda CBX Road Test - page 6

Make and model 1980 Honda CBX
Price, suggested retail (as of 9/7/79) Not available
 
PERFORMANCE
Standing start 1/4-mile 12.16 seconds @ 111.11 mph
Engine rpm @ 60 mph, top gear 4272
Average fuel consumption rate 12.0 km/l (28.3 mpg)
Cruising range, main/reserve 240/60 km (113.2/36.8 miles)
Load capacity (GVWR less curb weight) 203.6 kg (449 lbs.)
Maximum speed in gears @ engine redline (1) 56.8, (2) 79.1, (3) 99.5, (4) 115.4, (5) 133.5 mph
 
ENGINE
Type Four-stroke, in-line six, air-cooled with dual chain-driven overhead cams and four valves per cylinder
Bore and stroke 64.5 x 53.4mm (2.54 x 2.10 in.)
Piston displacement 1047cc (63.9 cu. in.)
Compression ratio 9.3:1
Carburetion (6) 28mm slide/butterfly Keihin
Exhaust system (2) Three-into-one
Ignition Magnetically triggered, battery-powered capacitor discharge
Air filtration Washable foam and metal screen
Oil filtration Disposable paper element
Oil capacity 5.5 liters (5.8 qts.)
Bhp @ rpm 71.59 @ 9000
Torque @ rpm 47.24 @ 6000
 
TRANSMISSION
Type Five-speed, constant-mesh, wet-plate clutch
Primary drive Hy-Vo chain (23/23 sprockets, 1.00:1) and straight-cut gear (26/59, 2.27:1)
Final drive 3/8 x 5/8 in. chain, 18/42 sprockets, 2.33:1
Gear ratios, overall (1) 12.91, (2) 9.26, (3) 7.36, (4) 6.35, (5) 5.49
 
CHASSIS
Type Mild steel tubular backbone truss
Wheelbase 1485mm (58.5 in.)
Rake/trail 27.50/120mm (4.7 in.)
Brake, front Hydraulic, (2) 276mm disc with single-piston caliper
rear Hydraulic, (1) 296mm disc with single-piston caliper
Wheel, front Composite, five-spoke, 2.15 x 19 in.
rear Composite, five-spoke, 2.50 x 18 in.
Tire, front 3.50 V 19 Dunlop Gold Seal K127
rear 4.50 V 18 Dunlop Gold Seal F11
Seat height 810mm (31.9 in.)
Ground clearance 172mm (6.8 in.)
Fuel capacity, main/reserve 15.0/5.0 liters (4.0/1.3 US gal.)
Curb weight, full tank 274.8 kg (606 lbs.)
Test weight 351.0 kg (774 lbs.)
 
ELECTRICAL
Power source A.C. generator, 350 watts
Charge control Solid-state regulator
Headlight beams, high/low 60/55 watts
Tail/stop lights (2) 3/32 cp
Battery 12V 18AH
 
INSTRUMENTS
Includes speedometer, odometer and resettable tripmeter, tachometer, voltmeter. Indicators for turn signals, high beam, neutral, low oil pressure
Speedometer error 30 mph indicated, actual 29.68
60 mph indicated, actual 60.32
 
CUSTOMER SERVICE CONTACT
Customer Service Department
American Honda Motor Co., Inc.
100 W. Alondra Blvd.
Gardena, California 90247
(213) 321-8680
 
Engine
Speed	BHP	Torque

2000	10.94	28.73
2500	16.81	35.31
3000	21.66	37.92
3500	26.12	39.20
4000	33.52	44.02
4500	38.54	44.98
5000	44.34	46.58
5500	48.78	46.58
6000	53.97	47.24
6500	57.27	46.27
7000	59.10	44.34
7500	65.61	45.95
8000	68.03	44.66
8500	70.72	43.69
9000	71.59	41.78
9500	70.34	37.49
10,000	70.98	37.27
10,500	66.81	33.42

Honda CBX Test Conditions:
Barometer 29.80
Ternperature 84°F Wet 116°F Dry
Correction Factor 1.092
Date of Test 9/4/79
As Tested on the Webco Dyno

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