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Motorcycle Specs Database

Find motorcycle specs, compare models and choose smarter.

Search by brand, model or year across 44,149+ motorcycles. Compare power, displacement, weight, seat height and category before you buy.

Buying research guide

How to use motorcycle specs before buying

Motorcycle specs are most helpful when you compare several numbers together. Engine size gives a quick idea of the bike class, but weight, seat height, torque, brakes, wheelbase and fuel capacity often explain how practical a motorcycle may feel in daily use.

Start by searching a model, then open its full specs page. Check fit-related data such as seat height and weight, performance-related data such as power and torque, and ownership-related details such as fuel capacity, tyres and braking hardware. After that, use the comparison tool or advanced filter to find similar alternatives.

Fit and comfort
Seat height, weight and dimensions affect confidence, parking, traffic use and low-speed handling.
Performance context
Power, torque and displacement should be read together, not as isolated numbers.
Compare alternatives
Use similar models, brand pages and category filters to avoid choosing from one spec sheet alone.
Results

james motorcycles

26 bikes found

James

Commodore 250

1962
Allround 249.0 ccm (15.19 cubic inches)
View full specs →
James

L25 Commodore

1962
Sport 250.0 ccm (15.26 cubic inches)
View full specs →
James

Commodore 250

1961
Allround 249.0 ccm (15.19 cubic inches)
View full specs →
James

L25 Commodore

1961
Sport 250.0 ccm (15.26 cubic inches)
View full specs →
James

Commodore 250

1960
Allround 249.0 ccm (15.19 cubic inches)
View full specs →
James

L25 Commodore

1960
Sport 250.0 ccm (15.26 cubic inches)
View full specs →
James

Colonel

1959
Allround 225.0 ccm (13.73 cubic inches)
View full specs →
James

Colonel 225

1959
Allround 225.0 ccm (13.73 cubic inches) 9.6 HP (7.0 kW)) @ 4500 RPM
View full specs →
James

Commodore 250

1959
Allround 249.0 ccm (15.19 cubic inches)
View full specs →
James

L25 Commodore

1959
Sport 250.0 ccm (15.26 cubic inches)
View full specs →
James

Colonel

1958
Allround 225.0 ccm (13.73 cubic inches)
View full specs →
James

Colonel 225

1958
Allround 225.0 ccm (13.73 cubic inches) 9.6 HP (7.0 kW)) @ 4500 RPM
View full specs →
James

Comet

1958
Naked bike 98.0 ccm (5.98 cubic inches) 75.0 kg (165.3 pounds)
View full specs →
James

Commodore 250

1958
Allround 249.0 ccm (15.19 cubic inches)
View full specs →
James

L25 Commodore

1958
Sport 250.0 ccm (15.26 cubic inches)
View full specs →
James

Colonel

1957
Allround 225.0 ccm (13.73 cubic inches)
View full specs →
James

Colonel 225

1957
Allround 225.0 ccm (13.73 cubic inches) 9.6 HP (7.0 kW)) @ 4500 RPM 125.0 kg (275.6 pounds)
View full specs →
James

Comet

1957
Naked bike 98.0 ccm (5.98 cubic inches) 75.0 kg (165.3 pounds)
View full specs →
James

Commodore 250

1957
Allround 249.0 ccm (15.19 cubic inches)
View full specs →
James

L25 Commodore

1957
Sport 250.0 ccm (15.26 cubic inches)
View full specs →
James

Colonel

1956
Allround 225.0 ccm (13.73 cubic inches) 125.0 kg (275.6 pounds)
View full specs →
James

Colonel 225

1956
Allround 225.0 ccm (13.73 cubic inches) 9.6 HP (7.0 kW)) @ 4500 RPM 125.0 kg (275.6 pounds)
View full specs →
James

Comet

1956
Naked bike 98.0 ccm (5.98 cubic inches) 75.0 kg (165.3 pounds)
View full specs →
James

Colonel

1955
Allround 225.0 ccm (13.73 cubic inches) 125.0 kg (275.6 pounds)
View full specs →
James

Colonel 225

1955
Allround 225.0 ccm (13.73 cubic inches) 9.6 HP (7.0 kW)) @ 4500 RPM 125.0 kg (275.6 pounds)
View full specs →
James

Comet

1955
Naked bike 98.0 ccm (5.98 cubic inches) 75.0 kg (165.3 pounds)
View full specs →

Comparing James Motorcycles Across Model Years & Segments

This James archive lists 26 indexed motorcycles with verified factory specifications. When researching a new or used James, pay close attention to generation updates across production years: manufacturers frequently revise fuel injection mapping, emission compliance, suspension valving, ABS braking hardware, curb weight and seat height between model years even when the model badge stays the same.

Open any James model card above to inspect complete engine, transmission, chassis and dimension tables, estimate annual fuel and maintenance costs, or shortlist two James generations in the side-by-side motorcycle comparison tool.

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