Which motorcycles have an idling stop system?

Many modern scooters and commuter motorcycles include an idling stop (stop–start) system; notable examples include Honda PCX/ADV/SH/Forza, Yamaha NMAX/Aerox, Suzuki Access 125 and Burgman Street EX, Hero Splendor (i3S), TVS Jupiter (IntelliGO), Vespa Primavera/Piaggio Liberty, and selected SYM and Kymco models. Availability varies by market and trim for the 2024–2025 model years.

What the feature is—and what manufacturers call it

An idling stop system automatically switches off the engine when you come to a halt (for example, at traffic lights) and restarts it when you twist the throttle or release the brake, reducing fuel use and emissions in stop‑go traffic. Brands market the same idea under different names: Honda “Idling Stop System (ISS),” Yamaha “Stop & Start System (SSS),” Suzuki “Engine Auto Stop-Start (EASS),” Hero “i3S,” TVS “IntelliGO,” SYM “Stop & Start (S.S.S.),” and Piaggio/Vespa “Start & Stop (RISS/i-get).”

Popular models offering idle‑stop in 2024–2025

The following is a brand-by-brand snapshot of mainstream models where idling stop is standard or available in recent model years. Final fitment can depend on country, emission norms, and trim level, so always check the local spec sheet.

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  Honda

  Widespread across Honda scooters under the “Idling Stop System (ISS).”

  • PCX 125/150/160
  • ADV 150/160
  • SH125i/SH150i (Europe and select markets)
  • Forza 125 (and regional Forza 250/350 trims where equipped)
  • Vario/Click 125/150/160, Air Blade 125/160, Lead 125, Scoopy (regional)
  • Activa 125/Activa (India trims with ISS), Dio 125 (selected trims, India)

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  Yamaha

  Marketed as “Stop & Start System,” commonly paired with the Smart Motor Generator.

  • NMAX 125/155
  • Aerox 155/NVX 155
  • Grand Filano Hybrid, Fazzio Hybrid
  • Tricity 125 (in markets where offered with S&S)
  • FreeGo/Gear 125 (select ASEAN markets)

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  Suzuki

  Badged “Engine Auto Stop-Start (EASS)” on newer 125 cc scooters.

  • Access 125 (recent trims with EASS)
  • Avenis 125
  • Burgman Street EX (and select Burgman Street variants)

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  Hero MotoCorp

  Hero’s “i3S” appears on multiple commuter motorcycles and some scooters.

  • Splendor Plus (including XTEC), HF Deluxe
  • Passion+, Glamour 125, Super Splendor
  • Selected Xtreme/Xpulse variants in some years/markets
  • Destini 125, Maestro Edge 125 (select trims)

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  TVS

  TVS brands idle‑stop as “IntelliGO” on select scooters and commuters.

  • Jupiter (certain variants/years with IntelliGO)
  • Radeon and other commuter trims in select updates/markets

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  Piaggio/Vespa

  Piaggio’s i-get engines often include “Start & Stop” (RISS) in Europe and Asia.

  • Vespa Primavera/Sprint (i-get, Start & Stop)
  • Piaggio Liberty 125/150 i-get, Medley 125/150

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  SYM and Kymco

  Taiwanese brands widely deploy idle‑stop on urban scooters; availability is market-dependent.

  • SYM: Symphony ST/Jet 14/Joymax Z+ trims with S.S.S. (Stop & Start System)
  • Kymco: Like 150i, Many 110i, and selected X-Town/Racing S trims with idle‑stop in certain regions

These examples illustrate how common idle‑stop has become on urban scooters and small commuters. Always verify the specific variant and local brochure, as the feature can be omitted on base trims or added mid-cycle.

How to confirm the feature on a specific bike

Because naming differs and trims change by region, it helps to look for certain terms and controls in the owner’s manual or spec sheet.

• Feature names: Idling Stop System (Honda), Stop & Start System (Yamaha), EASS (Suzuki), i3S (Hero), IntelliGO (TVS), Start & Stop/RISS/i-get (Piaggio/Vespa), S.S.S. (SYM).
• Switchgear: a dedicated “A”/“Idling Stop”/“S&S” toggle on the right handlebar is common.
• Manual notes: look for idle‑stop enable/disable instructions and restart conditions (e.g., side-stand up, brake applied).
• Spec lines: often listed under “Fuel-saving features,” “Engine,” or “Electrical.”

If you can’t find an explicit mention, the model likely doesn’t include idle‑stop in that trim or market.

Why riders want (or skip) idle‑stop

The technology targets urban efficiency, but preferences vary by rider and use case.

• Benefits: improved fuel economy in traffic, lower CO₂ and noise at standstill, often paired with silent ACG/SMG starters for smooth restarts.
• Trade-offs: slight learning curve, potential lag on very quick getaways, and systems may temporarily disable in extreme heat/cold or low battery conditions.

For dense city commuting, the gains are most noticeable; for open-road riding, the benefit is minimal.

Availability in 2025: what to expect

As emissions standards tighten, idle‑stop keeps spreading across 110–160 cc scooters and 100–160 cc commuter motorcycles, particularly in Europe, India, and Southeast Asia. Mid- and large-displacement motorcycles rarely adopt it, while electric scooters inherently “idle” at zero without a separate system.

Summary

In 2024–2025, many scooters and small commuter bikes include an idling stop system. You’ll find it on Honda PCX/ADV/SH/Forza lines, Yamaha NMAX/Aerox, Suzuki Access 125/Avenis/Burgman Street EX, Hero i3S-equipped commuters (Splendor, Glamour, etc.), TVS Jupiter (IntelliGO), Vespa/Piaggio i-get models, and select SYM/Kymco scooters. Check your local trim’s spec sheet for the exact naming and availability, as it varies by market and model year.

What is the disadvantage of idle start-stop?

Disadvantages of idle stop systems include potential increased wear on the starter motor, battery, engine mounts, and timing chain due to frequent use, reduced battery life, and potential issues with AC performance. These systems can also cause minor delays when a quick restart is needed, and some drivers find the frequent engine shutdown and restart annoying. However, modern vehicles with stop-start systems are designed with more robust components like reinforced bearings and stronger starters to handle the increased stress.
 
Increased Component Wear 

• Starter Motor and Battery: Opens in new tabThe increased cranking required for frequent restarts puts more stress on the starter motor and drains the battery more quickly. 
• Engine Mounts: Opens in new tabFrequent engine stopping and starting can cause additional wear on motor mounts. 
• Engine Components: Opens in new tabIncreased wear on the crankshaft, rod bearings, and potentially the timing chain can occur, as oil circulation is temporarily interrupted during engine shutdown. 
• Exhaust System: Opens in new tabThe frequent restarting can lead to increased condensation in the exhaust system, potentially causing rust and corrosion over time. 

Performance and User Experience

• Restart Delay: There can be a slight delay when engaging the accelerator after the engine has shut off, which can be perceived as a slower response compared to traditional systems. 
• AC Performance: In vehicles with conventional systems, the AC compressor also turns off when the engine stops, which can reduce cooling performance. 
• Annoyance: Some drivers find the automatic engine shutting off and restarting to be distracting or annoying, especially in stop-and-go traffic. 

Manufacturer and Design Responses

• Robust Components: Manufacturers have addressed these issues by designing vehicles with more robust components, including reinforced engines, higher-capacity batteries, and more powerful starter motors or hybrid-like motor-generators. 
• Engine Design: Modern engines are engineered with features to minimize wear, such as reinforced bearings and oiling systems designed for frequent use. 
• Hybrid Systems: The systems are more effective in hybrid vehicles, which use large high-voltage batteries and generators to power vehicle systems and restart the engine. 

Does the Honda Click 125i have an idling stop?

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Does Honda have an Idle Stop?

When the Idling Stop System is switched on, it automatically turns the engine off and on for you when you stop and start up. This results in a fuel saving of approximately 7%, compared to when the system is not in operation (according to Honda testing using ECE R40 mode).

When did Honda start using Idle Stop?

Honda has been using the start-stop function for over a decade via its IMA mild hybrid system in first-generation Insight models in the Japanese domestic market since 1999 and more recently on the Civic Hybrid.