Chang-Jiang BD 50QT-4 vs NSU Prima III K (2007)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Chang-Jiang BD 50QT-4stacks up against the NSU Prima III K. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecChang-Jiang BD 50QT-4NSU Prima III K
Model year20071964
Price
Engine139 cc146 cc
Horsepower3 hp8 hp
Weight80 kg
Fuel capacity1.1 L3.2 L
Fuel typepetrolpetrol
Front brakesExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake)
Tires3.00-10 / 3.00-10 3.50-10 / 3.50-10

Chang-Jiang BD 50QT-4 vs NSU Prima III K — which should you buy?

Picking between the Chang-Jiang BD 50QT-4 and the NSU Prima III K usually comes down to the numbers you care about most. On paper, the Chang-Jiang BD 50QT-4 brings 3 hp in a 80 kg package, while the NSU Prima III K counters with 8 hp.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: