Cycle Magazine 1981 Honda CBX Road Test

1981 Honda CBX Road Test - page 7

Test Specifications
Honda CBX

Make and model Honda CBX

Price, suggested retail (as of 2/9/81) $5595

PERFORMANCE

Standing start 1/4-mile 12.02 @ 111.52

Engine rpm @ 60 mph, top gear 4244

Average fuel consumption rate 41.8 mpg (17.7 km/l)

Cruising range, main/reserve 209/33.4 mi.

Load capacity (GVWR less curb weight) 183.7 kg (405.1 lbs.)

Maximum speed in gears @ engine redline (1) 57.2, (2) 79.7, (3) 100.2, (4) 116.2, (5) 134.4

ENGINE

Type Four-stroke in-line six, air-cooled, 24-valve, with dual overhead camshafts, chain-driven

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) Keihin 28mm constant-vacuum

Exhaust system Six into two

Ignition Battery-powered, pointless, inductive

Air filtration Paper element, disposable

Oil filtration Paper element, disposable

Oil capacity 5.5 liters (5.8 qts.)

Bhp @ rpm NA

Torque @ rpm NA

TRANSMISSION

Type Five-speed, constant-mesh, wet clutch

Primary drive Hy-Vo chain with sprockets and spur gears, 2.27:1

Final drive #530 0-ringed chain, 2.33:1

Gear ratios, overall (1) 12.9 (2) 9.26 (3) 7.36 (4) 6.35 (5) 5.49

CHASSIS

Type Mild-steel tubular backbone trestle, with engine as stressed member

Suspension, front Center-axle air/spring fork

rear Swing arm, compound linkage to single air shock with adjustable damping

Wheelbase 1535mm (60.4 inches)

Rake/trail 29.5°/ 120mm (4.72 in.)

Brake, front Hydraulic, dual ventilated discs, twin piston calipers

rear Hydraulic, single disc

Wheel, front Composite, five-spoke, 2.50 x 19 in.

rear Composite, five-spoke, 2.75 x 18 in.

Tire, front 3.50 V 19 Dunlop Gold Seal

rear 130/90 V 18 Dunlop Gold Seal

Seat height 815mm (32.1 in.)

Ground clearance 155mm (6.1 in.)

Fuel capacity, main/reserve 19.0/3.01 liters (5.0/0.8 gal.)

Curb weight, full tank 308.4 kg (680.0 lbs.)

Test weight 377.3 kg (832.0 lbs.)

ELECTRICAL

Power source Alternator, 350 watts

Charge control Solid state regulator

Headlight beams, high/low 60/55 watts

Tail /stop lights 5/21 watts

Battery 12V 18 AH

INSTRUMENTS

Includes Speedometer, odometer, tripmeter, tachometer, ampmeter, indicators for high beam, turn signal, rear shock pressure, oil pressure and neutral

Speedometer error

30 mph indicated, actual 29.61

60 mph indicated, actual 59.80

CUSTOMER SERVICE CONTACT
Customer Relations Department
U.S Honda Motor Co. Inc.
100 W. Alondra Blvd.
Gardena, CA 90247

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The Schenk dynamometer, long residing at Webco, Inc., in Venice, California, is in the process of being moved and reinstalled at a new location. Consequently, this motorcycle could not be dyno-tested at this time. Figures for this motorcycle will appear in Cycle in an upcoming issue.

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Make and model	Honda CBX
Price, suggested retail (as of 2/9/81)	$5595

PERFORMANCE
Standing start 1/4-mile	12.02 @ 111.52
Engine rpm @ 60 mph, top gear	4244
Average fuel consumption rate	41.8 mpg (17.7 km/l)
Cruising range, main/reserve	209/33.4 mi.
Load capacity (GVWR less curb weight)	183.7 kg (405.1 lbs.)
Maximum speed in gears @ engine redline	(1) 57.2, (2) 79.7, (3) 100.2, (4) 116.2, (5) 134.4

ENGINE
Type	Four-stroke in-line six, air-cooled, 24-valve, with dual overhead camshafts, chain-driven
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) Keihin 28mm constant-vacuum
Exhaust system	Six into two
Ignition	Battery-powered, pointless, inductive
Air filtration	Paper element, disposable
Oil filtration	Paper element, disposable
Oil capacity	5.5 liters (5.8 qts.)
Bhp @ rpm	NA
Torque @ rpm	NA

TRANSMISSION
Type	Five-speed, constant-mesh, wet clutch
Primary drive	Hy-Vo chain with sprockets and spur gears, 2.27:1
Final drive	#530 0-ringed chain, 2.33:1
Gear ratios, overall	(1) 12.9 (2) 9.26 (3) 7.36 (4) 6.35 (5) 5.49

CHASSIS
Type	Mild-steel tubular backbone trestle, with engine as stressed member
Suspension, front	Center-axle air/spring fork
rear	Swing arm, compound linkage to single air shock with adjustable damping
Wheelbase	1535mm (60.4 inches)
Rake/trail	29.5°/ 120mm (4.72 in.)
Brake, front	Hydraulic, dual ventilated discs, twin piston calipers
rear	Hydraulic, single disc
Wheel, front	Composite, five-spoke, 2.50 x 19 in.
rear	Composite, five-spoke, 2.75 x 18 in.
Tire, front	3.50 V 19 Dunlop Gold Seal
rear	130/90 V 18 Dunlop Gold Seal
Seat height	815mm (32.1 in.)
Ground clearance	155mm (6.1 in.)
Fuel capacity, main/reserve	19.0/3.01 liters (5.0/0.8 gal.)
Curb weight, full tank	308.4 kg (680.0 lbs.)
Test weight	377.3 kg (832.0 lbs.)

ELECTRICAL
Power source	Alternator, 350 watts
Charge control	Solid state regulator
Headlight beams, high/low	60/55 watts
Tail /stop lights	5/21 watts
Battery	12V 18 AH

INSTRUMENTS
Includes	Speedometer, odometer, tripmeter, tachometer, ampmeter, indicators for high beam, turn signal, rear shock pressure, oil pressure and neutral
Speedometer error
30 mph indicated, actual	29.61
60 mph indicated, actual	59.80

CUSTOMER SERVICE CONTACT
Customer Relations Department U.S Honda Motor Co. Inc. 100 W. Alondra Blvd. Gardena, CA 90247
-----------------------
The Schenk dynamometer, long residing at Webco, Inc., in Venice, California, is in the process of being moved and reinstalled at a new location. Consequently, this motorcycle could not be dyno-tested at this time. Figures for this motorcycle will appear in Cycle in an upcoming issue.