Join Now
The 2025 Yamaha SR400 maintains its timeless silhouette while keeping the mechanical honesty that builders and purists love. The big single-cylinder thump, clean lines and simple controls are back and meant to be ridden, customized and enjoyed.
Nimble, easy to live with and endlessly personalisable, the SR400 is a bike that rewards slow, calm appreciation as much as it does short, spirited runs. Read on for the complete lowdown; specs, tech, launch details, rivals and buying options.
New 2025 Yamaha SR400
The 2025 Yamaha SR400 carries its retro soul into the modern era, blending a big-single heartbeat with authentic lines. It’s designed for riders who crave raw simplicity, personalization freedom, and pure, mechanical connection.
Fuel injection, a 5-speed gearbox, and a manageable 175–185 kg weight make the SR400 practical for both urban commutes and weekend rides. Its ~25–30 km/L economy and 300 km range ensure efficiency matches style.
Comfortable ergonomics, upright posture, and an accessible ~800 mm seat height make the SR400 rider-friendly. With Yard Built custom packs, it transforms easily scrambler, café, or bobber; reflecting the personality of whoever owns it.
Facing rivals like the Royal Enfield Interceptor 650 and Triumph Street Twin, Yamaha’s SR400 stands apart with heritage charm and simplicity. It remains a timeless choice for enthusiasts seeking character over cutting-edge electronics.
2025 Yamaha SR400 Quick Details
| Model | 2025 Yamaha SR400 |
| Engine | ~399 cc, air-cooled, 4-stroke single (SOHC) |
| Power (approx.) | ~24–28 hp (typical for SR400 line) |
| Torque (approx.) | ~28–29 Nm (midband focus) |
| Transmission | 5-speed (kick-start characteristic retained on many markets) |
| Fuel system | Fuel injection (modern SR variants) |
| Seat height | Around 800 mm (comfortable, accessible) |
| Fuel tank | ~12–13 L (range-friendly for urban & weekend trips) |
| Wet weight | ~175–185 kg (light and manageable) |
| Top speed (est.) | ~140–150 km/h (depending on tune & region) |
| Economy (est.) | 25–30 km/L (riding style dependent) |
| Variants | Standard / Yard Built special editions & custom packs |
| Key tech | Simple EFI, analogue/modern hybrid instruments, minimal electronics |
| Price guide | Region dependent — mid-segment vintage price bracket |
| Launch | Rolling availability across regions 2024–2025 (market dependent) |
Note – Yamaha offers region-specific trim and accessory packs (Yard Built, customization kits). Exact figures vary by market and model year.
Launch Update & Availability
Yamaha maintains the SR400 in select markets as a special, heritage-focused offering. The 2025 SR400 follows a gradual, market-by-market availability; models appear first in regions with strong retro/custom demand, then expand.
Quick Timeline –
- Japan / Europe – Historically first to receive SR updates and Yard Built special editions.
- Asia / Australia – Availability varies; some markets import SR variants CBU.
- North America – Where present, mainly through selective regional channels or special imports.
Design & Styling — Retro DNA, Modern Build
The SR400 wears a classic teardrop tank, round headlamp and exposed single-cylinder charm. Nothing flashy — just clean metal, subtle graphics, and a silhouette that reads as an instant vintage icon.
Highlights –
- Minimalist bodywork invites custom builds.
- Narrow midsection easy to move on, ideal for café-style ergonomics.
- Spoked wheels for authentic looks and easy tyre choices.
Yard Built and dealer accessory packs make personalization factory-friendly.
Yamaha SR400 Variants
| Trim | What you get | Use case |
|---|---|---|
| SR400 Standard | Classic setup, single seat or small two-up, simple instruments | Everyday classic — perfect for purists |
| SR400 Yard Built / Special | Unique paint, small accessory kits, custom seats or exhaust | Buyers who want a near-factory custom look |
| SR400 Custom Packs (Dealer-fit) | Luggage racks, bar risers, performance silencer | Light touring & style-focused upgrades |
Technology & Safety
The SR400’s appeal is its mechanical simplicity. Yamaha balances nostalgia with useful modern tech; fuel injection for reliability and often a tidy instrument panel that blends analogue charm with modern readouts. Tech & safety key points –
- EFI (improves cold starts, emissions and fuel economy).
- Simple instrument cluster (analogue speedo + digital readouts on some markets).
- Standard two-wheel braking with optional ABS in certain regions or special packs.
- Basic rider aids, traction control is not the SR’s focus; the bike favors rider skill and mechanical feedback.
Mileage & Top Speed — Practical Numbers
- Fuel Economy
- ~25–30 km/L in typical mixed riding; economical cruising pays dividends.
- Range
- 300+ km on a full tank in gentle riding conditions.
- Top Speed
- ~140–150 km/h for well-tuned examples (real-world depends on gearing and updates).
Performance & Handling
Engine tuned for low- and mid-range tractability rather than outright peak horsepower. The SR400 is about character: strong throttle feel, classic single-cylinder impulses, and friendly tractability in town.
- Engine Character – Big-single torque band, pleasant exhaust beat.
- Transmission – 5-speed with a square, positive shift, many riders praise the tactile feel.
- Chassis – Lightweight, narrow frame encourages flickable handling and easy parking.
- Riding – Calm cruising, urban agility, and satisfying corner entry from moderate speeds.
Comfort & Ergonomics
Upright seating, a flat seat profile and accessible footpegs make the SR400 highly approachable. It’s built for relaxed road manners and for riders who enjoy the connection to machine. Comfort notes –
- Low to mid seat height, easy to get feet down.
- Narrow tank and slim profile improves low-speed balance.
- Long-term comfort, moderate best for shorter trips or riders who prefer classic posture.
- Custom seats, shorty mudguards, different bars, classic-style silencers.
- Dealer-backed accessory kits for luggage, lighting and touring.
The SR400 is a custom favourite. Yamaha’s Yard Built program and a vast aftermarket ecosystem make transformations from scrambler to café racer simple and attractive.
Rivals – Who Competes with SR400?
| Rival | Why it matters |
|---|---|
| Royal Enfield Interceptor 650 | Strong retro vibe, twin torque, easy aftermarket |
| Triumph Street Twin | Premium retro with modern electronics |
| Honda CB400 (region-specific) | Comparable displacement and classic feel |
| Kawasaki Z650RS / small modern classics | More modern power/tech vs SR simplicity |
Price, Booking & EMI (how to buy)
Pricing depends on market, model year and accessory packs. The SR is usually priced in the mid-retro bracket — attractive for those wanting an authentic machine without a boutique price-tag.
- How to book –
- Reserve via Yamaha authorised dealers; special editions (Yard Built) can require deposits.
- Finance
- Standard dealer finance and EMI plans available in many regions, terms depend on local lenders, tenure and down payment.
Why Riders Still Crave 2025 SR400 Retro Classic?
The Yamaha SR400 isn’t about having the most horsepower or the latest gadgets, it’s about heart. With vintage styling, reliable air-cooled performance, and the freedom to personalize, it remains an icon in the modern age. For anyone who loves riding for the feel, for the ritual, for the ride, the SR400 still delivers. Clean, honest, beautiful.
