Honda CB 450 S (reduced effect) vs Kawasaki KX™ 450 (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Honda CB 450 S (reduced effect)stacks up against the Kawasaki KX™ 450. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHonda CB 450 S (reduced effect)Kawasaki KX™ 450
Model year19902026
Price$10,499
Engine447 cc449 cc
Horsepower27 hp
Weight128 kg
Seat height960 mm
Fuel capacity4.8 L6.0 L
Fuel typepetrolpetrol
Transmission6-speedManual, 5 speed, Chain
Front brakesDual discDisc
Rear brakesExpanding brakeDisc
Tires100/90-18 / 110/90-18 Dunlop® Geomax MX3SF: 80/100-21 51M / Dunlop® Geomax MX3S: 120/80-19 63M

Honda CB 450 S (reduced effect) vs Kawasaki KX™ 450 — which should you buy?

Picking between the Honda CB 450 S (reduced effect) and the Kawasaki KX™ 450 usually comes down to the numbers you care about most. On paper, the Honda CB 450 S (reduced effect) brings 27 hp, while the Kawasaki KX™ 450 counters with its own power figure at 128 kg.

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: