Honda CM 450 Custom - 1982 Specifications and Reviews

The 1982 Honda CM 450 Custom is a mid-sized naked bike designed for novice and casual riders seeking affordable, reliable transportation. Its air-cooled 447cc twin-cylinder engine delivers modest 37 horsepower with straightforward handling characteristics. Known for dependable everyday performance and low maintenance costs, it became a popular entry-level motorcycle for riders transitioning from smaller bikes.

1982
3 stars Average rating: 3 from 4 votes
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General information

CategoryNaked bike
Year1982
ModelHonda CM 450 Custom
 
 

Engine and Transmission Specifications

Greenhouse gases90.9 CO
Fuel consumption3.92 litres/100 km (25.5 km/l or 60.01 mpg)
Transmission type,final driveChain
Cooling systemAir
IgnitionCDI
Fuel controlOHC
Fuel systemCarburettor
Valves per cylinder2
Bore x stroke75.0 x 50.6 mm (3.0 x 2.0 inches)
Compression9.1:1
1/4 mile (0.4 km)13.700 seconds
Power37.00
Engine typeTwin, four-stroke
Capacity:447.00 ccm (27.28 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake (drum brake)
Front brakesSingle disc
Rear tyre dimensions4.60S16-4PR
Front tyre dimensions3.50S18-4PR
Rear suspensionAdjustable telehydraulic shocks
Trail114 mm (4.5 inches)
Rake (fork angle)59.0°

Physical measures and capacities

Reserve fuel capacity2.00 litres (0.53 gallons)
Fuel capacity13.00 litres (3.43 gallons)
Wheelbase1,450 mm (57.1 inches)
Overall width855 mm (33.7 inches)
Overall length2,145 mm (84.4 inches)
Overall height1,180 mm (46.5 inches)
Power/weight ratio0.2126 HP/kg
Dry weight174.0 kg (383.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric

Performance Profile & Rider Fit

37 hp
Peak Power
8.5s
0-60 mph

Best For

Track15%
City65%
Cornering40%
Daily Riding60%
Touring35%
Passenger35%

Rider Profile

Best ForThis is a friendly, low-stakes bike well suited to beginners and riders returning to smaller-displacement machines.
PurposeIt's a classic custom-styled cruiser meant for relaxed street riding rather than outright speed or long-distance touring.
Rider FitIts low seat height, modest weight, and relaxed cruiser ergonomics make it accessible to shorter or less physically strong riders.
CharacterExpect a laid-back, air-cooled twin with modest power delivery, classic 1980s cruiser looks, and easygoing, unintimidating manners.
Not Ideal ForIt's not the right choice for riders wanting high-speed performance, aggressive cornering ability, or serious off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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