Whether you’re a collector, mechanic, or weekend rider, the 1973 Honda lineup captures a practical, hands-on moment in motorcycle history where small-displacement bikes met broad consumer demand across streets and trails. Looking through these models is an easy way to see how Honda balanced economy, utility, and simple fun in one year.
There are 27 1973 Honda Motorcycle Models, ranging from C70 Passport, Z50A Mini Trail K4. For each entry, you’ll find below Displacement (cc), Type, Market(s) to help you compare specs and origins — scroll through the list you’ll find below.
How can I verify a model’s originality or year-specific details?
Check stamped VIN/frame numbers against Honda decoding guides and compare engine casting numbers; period-correct paint, badges, and accessories (and their mounting points) also reveal replacements, and photos or factory brochures from 1973 help confirm original finishes and trim.
Were there meaningful differences between markets for the 1973 models?
Yes — many models had market-specific trims, gearing, lighting or emissions tweaks, and sometimes different names; European, Japanese domestic, and North American versions often varied in final drive ratios, lighting equipment, and available colors to meet local laws and tastes.
1973 Honda Motorcycle Models
| Model | Displacement (cc) | Type | Market(s) |
|---|---|---|---|
| CB750 Four K3 | 736 | Standard | US, EU, JP, INT |
| CB500 Four K2 | 498 | Standard | US, EU, JP, INT |
| CB450 K6 | 444 | Standard | US, EU, INT |
| CL450 Scrambler K5 | 444 | Dual-Sport | US, INT |
| CB350G Super Sport | 326 | Standard | US |
| CB350 Four F0 | 347 | Standard | US, EU, JP, INT |
| CL350 Scrambler K5 | 326 | Dual-Sport | US |
| SL350 Motosport K2 | 326 | Dual-Sport | US |
| CR250M Elsinore | 248 | Off-Road | US, EU, JP, INT |
| MT250 Elsinore | 248 | Dual-Sport | US, EU, INT |
| XL250 Motosport | 248 | Dual-Sport | US, EU, JP, INT |
| CB200 | 198 | Standard | US, EU, INT |
| CB175 Super Sport K7 | 174 | Standard | US |
| CL175 Scrambler K7 | 174 | Dual-Sport | US |
| TL125 Bials | 122 | Trials | JP, EU, US |
| SL125 Motosport K2 | 122 | Dual-Sport | US |
| CB125S | 122 | Standard | US, EU, INT |
| CL125S Scrambler | 122 | Dual-Sport | US |
| ST90 Trailsport | 89 | Mini Bike | US |
| CT90 Trail 90 K5 | 89 | Dual-Sport | US, INT |
| SL70 Motosport 70 K1 | 72 | Mini Bike | US |
| CT70 Trail 70 K2 | 72 | Mini Bike | US, EU, JP |
| XR75 | 75 | Off-Road | US |
| Z50A Mini Trail K4 | 49 | Mini Bike | US, EU, JP |
| QA50 | 49 | Mini Bike | US |
| Chaly CF50/CF70 | 49 | Scooter | JP, EU |
| C70 Passport | 72 | Scooter | INT |
Images and Descriptions
CB750 Four K3
The iconic superbike enters its third major revision. The K3 model refined the formula that changed motorcycling, offering four-cylinder power and a front disc brake. It remains a cornerstone for collectors of vintage Japanese motorcycles.
CB500 Four K2
A lighter, more nimble version of the 750 Four, the CB500 offered a balanced and smooth ride. The 1973 K2 model is highly sought after for its refined performance and classic styling, making it a perfect middleweight classic.
CB450 K6
Known as the “Black Bomber,” this was a sophisticated DOHC twin. The K6 iteration continued its legacy of performance, offering a sporty ride for those who preferred a twin-cylinder engine over Honda’s newer four-cylinder bikes.
CL450 Scrambler K5
The scrambler version of the CB450 twin, featuring high-mounted exhaust pipes and a rugged aesthetic. The 1973 K5 model offered distinctive style and on/off-road capability, appealing to riders wanting a versatile and powerful twin.
CB350G Super Sport
The G model featured a front hydraulic disc brake, a significant upgrade for Honda’s popular middleweight twin. This 1973 model was a top seller, known for its reliability, economy, and fun-to-ride character.
CB350 Four F0
The smallest of Honda’s four-cylinder line, the CB350F was praised for its smooth, jewel-like engine and sophisticated feel. This 1973 model is a favorite among restorers for its unique styling, including a swooping four-into-one exhaust.
CL350 Scrambler K5
The final year for the popular 350 Scrambler. The K5 featured the classic high-pipe design and off-road-ready styling. It’s a beloved model for its go-anywhere attitude and represents the end of an era for Honda’s mid-size scramblers.
SL350 Motosport K2
A more dedicated dual-sport than the CL Scrambler, the SL350 featured better ground clearance and suspension. The 1973 K2 model was the last and most refined version, perfect for exploring back roads and trails.
CR250M Elsinore
A revolutionary two-stroke motocross bike that changed the sport overnight. The 1973 Elsinore was lightweight, powerful, and reliable, allowing amateur racers to be competitive right out of the crate. A landmark motorcycle in off-road history.
MT250 Elsinore
The street-legal, enduro version of the legendary CR250M motocrosser. Introduced in 1973 for the ’74 model year, it combined the Elsinore’s potent two-stroke engine with lights and instrumentation for true on/off-road versatility.
XL250 Motosport
Honda’s first four-stroke single-cylinder dual-purpose machine. The 1973 model was praised for its torquey, reliable engine and capable chassis, setting the standard for a new generation of “enduro” bikes and starting the XL legacy.
CB200
Introduced in 1973 for the ’74 model year, the CB200 was a stylish and capable lightweight twin. It featured a front disc brake, electric start, and sporty styling, making it an attractive and modern commuter bike.
CB175 Super Sport K7
The final year for the high-revving CB175 twin. The K7 model was the culmination of years of refinement, offering a peppy and engaging ride. It remains a popular choice for vintage lightweight restoration projects.
CL175 Scrambler K7
Like its street-oriented sibling, 1973 was the last year for the CL175 Scrambler. It combined the peppy twin-cylinder engine with high pipes and semi-knobby tires for light off-road adventures and distinctive style.
TL125 Bials
Honda’s first production trials competition motorcycle. Developed with champion Sammy Miller, the 1973 TL125 was lightweight and nimble, with a torquey four-stroke engine perfect for navigating challenging terrain. A highly collectible and significant model.
SL125 Motosport K2
A fun and capable single-cylinder dual-sport bike. The 1973 K2 model was the final and best version, offering good looks and a reliable four-stroke engine perfect for new riders or trail exploration.
CB125S
A new single-cylinder replacement for the older CB100. The 1973 CB125S was simple, reliable, and economical, featuring a modern design and a front disc brake on some versions. It became a hugely successful and long-running model.
CL125S Scrambler
The scrambler variant of the new single-cylinder 125. For 1973, it featured a high-mounted exhaust and fender, offering a lightweight and easy-to-ride option for those wanting a bit of off-road style and capability.
ST90 Trailsport
A larger, more robust version of the CT70. The 1973 ST90 featured a T-bone frame, folding handlebars, and a 3-speed semi-automatic transmission, making it a versatile and easily transportable recreational bike for campgrounds and trails.
CT90 Trail 90 K5
The venerable Trail 90, famous for its dual-range transmission and rugged, utilitarian design. The 1973 K5 model continued its reign as the ultimate do-it-all machine for hunters, ranchers, and adventurous commuters.
SL70 Motosport 70 K1
A mini-motorcycle styled after the larger SL-series bikes. The 1973 SL70 offered a manual clutch and four-speed gearbox, making it the perfect first “real” motorcycle for many young riders dreaming of off-road glory.
CT70 Trail 70 K2
An incredibly popular and iconic mini-bike. The 1973 K2 version featured folding handlebars for easy transport and a reliable semi-automatic transmission. It’s a cherished collectible that evokes pure nostalgia for an entire generation.
XR75
Honda’s purpose-built mini racing bike, designed for young, aspiring motocross and flat-track stars. The 1973 model was a serious competition machine in a small package, dominating the mini-racer class and launching many professional careers.
Z50A Mini Trail K4
The beloved “Monkey” bike. The 1973 Z50A K4 model featured front and rear suspension but no lights, making it a pure off-road minibike. Its small size and simple operation made it a hit with kids and adults alike.
QA50
A simple, pull-start minibike designed for the youngest riders. The 1973 QA50 had a two-speed transmission with an automatic clutch, built-in carry handles, and a very low seat height, making it a perfect and safe introductory motorcycle.
Chaly CF50/CF70
A unique and charming step-through scooter with small wheels and a distinctive look. Available with a 50cc or 72cc engine, the 1973 Chaly was a practical and stylish urban runabout, especially popular in the Japanese and European markets.
C70 Passport
A later evolution of the world-famous Super Cub. The C70 offered a bit more power than the 50cc version, making it a reliable and incredibly economical step-through for commuting and utility use in markets around the globe.
