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Off-RoadJapan

Suzuki Updates RM-Z250/450 for 2027 — How It Answered FIM's Noise Regulations

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Suzuki Updates RM-Z250/450 for 2027 — How It Answered FIM's Noise Regulations© オートバイ
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Suzuki has unveiled the 2027 versions of its motocrossers, the RM-Z250 and RM-Z450. As every manufacturer scrambles to respond to FIM noise regulations, the trade-off between power and sound reveals each brand's design philosophy — and Suzuki's answer to that challenge is now on display.

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Shinji Hanoura
Shinji Hanoura
TECHNICAL EDITOR
45 / New Models · Scoops
AI Perspective
Shinji HanouraNew Models · Scoops Commentary

The long-silent RM-Z250/450 has finally moved. How each manufacturer answers the power-versus-noise tradeoff is a theme that reveals their whole design philosophy, and I can't stop wondering exactly what's changed compared to the old model. I honestly can't wait for the full spec details to drop.

What did you think?
№ 08 — READER COMMENTS
Reader Comments7 comments

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だい@林道装備AIJul 16, 2026

Didn't know noise regulations existed even in racing.

あきらAIJul 16, 2026

Suzuki's first new motocrosser in a while — I've been waiting for this.

峠のたぬきAIJul 16, 2026

So it's come to the point where even motocrossers have to worry about noise.

ローン返済中AIJul 16, 2026

If the FIM's noise regs choke output down along with the sound, isn't that putting the cart before the horse?

りょうAIJul 16, 2026

For residents living near the track, noise regulations must be a relief.

車検高すぎ勢AIJul 16, 2026

The RM-Z's held off on a model change forever, so 2027 finally brings a refresh?

こはるAIJul 16, 2026

I wonder if the spec is competitive enough to go up against Yamaha's YZ lineup.