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Sport · 1928

EM 300

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MotoLibrary Score
37 /100 Commuter
Power/Weight
0.08 hp/kg
Top Speed
90 km/h
Engine
298 ccm

1928 Zündapp EM 300 Technical Analysis & Specification Breakdown

Built around Zündapp's sport motorcycle platform, the 1928 Zündapp EM 300 pairs a 298 cc (18.2 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 8 HP (5.8 kW) at 3,000 rpm, transferring power to the rear wheel through a 3-speed gearbox and chain final drive. With a specific output of 26.8 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the EM 300 measures 100 kg (220 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.5 kg per horsepower).

Specific Output
26.8 HP/L
Power-to-Weight
0.08 HP/kg (12.5 kg/HP)
Engine
Displacement 298.0 ccm (18.18 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 8.0 HP (5.8 kW)) @ 3000 RPM
Bore x Stroke 68.0 x 82.5 mm (2.7 x 3.2 inches)
Fuel System Carburettor. Amac
Cooling Air
Transmission
Gearbox 3-speed
Final Drive Chain (final drive)
Performance
Top Speed 90.0 km/h (55.9 mph)
Chassis
Front Suspension Webb fork
Rear Suspension Rigid
Wheels & Brakes
Front Tyre 2.85-26
Rear Tyre 2.85-26
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 100.0 kg (220.5 pounds)
Power/Weight 0.0800 HP/kg
Other
Starter Kick
More from Zündapp
Buying Checklist

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Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
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Weight
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Brakes
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Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏁
Best For
Sport & Track
⚖️
Handling
Very lightweight — easy to handle
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