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  3. APRILIA ZD4XGUA05TS000704

APRILIA ZD4XGUA05TS000704 Frame Chassis Wa Bos 25-2026

fits model: Rs660, Rs, 660. make: Aprilia.

Zd4xgua05ts000704 Aprilia 25-2026 Rs660 Rs 660 Main Frame Chassis Wa Bos

( Manufacturer Part Number: ZD4XGUA05TS000704 ), ( Part Type: Frame )

Review APRILIA 25-2026 Main Frame Chassis Wa Bos fits RS660 RS 660

The **Aprilia ZD 4X GUA05TS000704 (2025-2026 model, RS660 frame chassis, WA BOS)** is a cutting-edge, all-terrain adventure motorcycle designed to redefine the boundaries of versatility, performance, and rider comfort. Engineered with a **660cc, liquid-cooled, parallel-twin engine** that delivers a seamless blend of torque and efficiency, this bike is built to conquer both the urban streets and rugged backroads with equal finesse. The **RS660 frame chassis** a refined evolution of Aprilia s proven dual-sport architecture offers an optimal balance of rigidity and flexibility, ensuring precise handling and stability across diverse terrains. Its **WA (Wide Angle) BOS (Bridged Open Square) frame** enhances structural integrity while reducing weight, contributing to a nimble yet robust riding experience. The **full fairing and integrated windscreen** not only elevate the bike s aggressive yet aerodynamic aesthetic but also provide superior wind protection, allowing riders to tackle high-speed highway cruising with confidence and reduced fatigue.

At the heart of the ZD 4X lies a **highly responsive, electronically assisted powertrain** featuring Aprilia s signature **Dual Channel Injection (DCI)** system, which optimizes fuel delivery for both performance and fuel efficiency. The **6-speed transmission**, paired with a **slipper clutch** and **multi-mode riding settings**, offers seamless gear shifts and adaptability to varying conditions whether you re navigating tight trails or carving through twisty roads. The **trail-optimized suspension** comprising **fully adjustable WP XPLORA forks** up front and a **progressive rear shock** absorbs imperfections in the terrain with ease, while the **adjustable preload and rebound damping** allow riders to fine-tune their setup for personal preference or terrain demands. For added safety and control, the ZD 4X is equipped with **Aprilia s Ride Mode Selector**, offering three distinct riding profiles (Sport, Trail, and Enduro) that adjust throttle response, traction control, and ABS sensitivity to suit the moment.

The **WA BOS frame** isn t just about strength; it also contributes to a **low seat height of just 840mm**, making it one of the most accessible adventure bikes in its class while retaining the agility of a true dual-sport machine. The **monocross rear swingarm** and **cast aluminum wheels** further enhance maneuverability, ensuring sharp cornering and effortless articulation on technical trails. The **full digital instrument cluster** features a **color TFT display** with real-time data, including speed, RPM, fuel level, and navigation cues, while the **integrated Bluetooth connectivity** allows seamless smartphone integration for hands-free calls, music, and turn-by-turn directions. For riders who demand the latest in technology, the optional **Aprilia Ride Manager app** provides advanced diagnostics, customizable settings, and over-the-air updates, ensuring the ZD 4X evolves alongside your riding needs.

Beyond performance, the ZD 4X exudes a **bold, futuristic design** that sets it apart from conventional adventure bikes. The **sleek, aerodynamic fairing** with its **matte black and matte gray accents** gives it a sporty yet rugged appeal, while the **LED lighting package** including **full LED headlamp, taillight, and turn signals** enhances visibility and style. The **adjustable windscreen** can be tilted or removed entirely, catering to riders who prefer a more open-air experience on casual rides. Durability is a cornerstone of the ZD 4X s design, with **high-strength steel and aluminum components**, **painted and powder-coated surfaces** for corrosion resistance, and **sealed components** to withstand the elements. Whether tackling desert dunes, mountain passes, or city streets, this bike is built to endure.

For those who prioritize practicality, the ZD 4X offers **generous storage solutions**, including a **top case and under-seat storage** (available as optional accessories), ensuring you can carry essentials for long-distance adventures without compromising performance. The **comfortable, ergonomic riding position** supported by a **fully adjustable seat** and **ergonomic handlebars** reduces rider fatigue on extended journeys, while the **anti-lock braking system (ABS)** with **selectable sensitivity levels** provides confidence-inspiring stopping power in all conditions. Whether you re a seasoned adventurer or a weekend explorer, the Aprilia ZD 4X GUA05TS000704 (2025-2026) represents the pinnacle of modern dual-sport engineering a motorcycle that seamlessly merges cutting-edge technology, uncompromising durability, and exhilarating ride quality to inspire the next generation of riders.

### **Pros and Cons of buying a Aprilia RS660 (2025 Model, Frame #ZD4XGUA05TS000704, 25-2026 RS660, 6,600)**

#### **Pros**

1. **Performance and Power**

The RS660 is a high-performance naked bike with a 650cc parallel-twin engine producing around **80-85 hp** and **65 Nm of torque**, making it one of the most powerful bikes in its class. It offers a thrilling riding experience with quick acceleration and a wide powerband, suitable for both track days and highway cruising.

2. **Lightweight and Agile Handling**

Weighing in at just **170 kg (wet)**, the RS660 is relatively light for its power, improving maneuverability and making it easier to handle in tight corners. The **inverted front fork (WP XPLOR)** and **monoshock rear suspension** provide a balanced, sporty ride with good adjustability for different riding styles.

3. **Modern Technology and Electronics**

The bike features **Aprilia s advanced electronics**, including:

- **Traction Control (3 levels)**

- **Wheelie Control**

- **Launch Control**

- **Engine Brake Control**

- **Quickshifter (for seamless upshifts)**

- **LED lighting (full LED headlight and taillight)**

- **Digital instrument cluster with adjustable displays (speed, RPM, gear position, etc.)**

These features enhance safety, control, and riding enjoyment, especially for riders transitioning from smaller bikes or those new to sportier naked bikes.

4. **Comfortable and Stylish Riding Position**

Unlike fully faired sportbikes, the RS660 offers a **more upright and relaxed riding position**, making it suitable for longer rides without excessive fatigue. The **ergonomics are well-tuned**, with a **wide, comfortable seat** and **adjustable footpegs**, catering to both sporty and touring-like comfort.

5. **Good Fuel Economy for a Sport Bike**

Despite its power, the RS660 achieves ** 20-25 km/l (L/100km)** in mixed riding, which is reasonable for a high-performance bike. The fuel tank holds **15 liters**, providing a decent range for highway trips.

6. **Aftermarket and Customization Potential**

The RS660 has a **strong aftermarket support**, with available upgrades for exhausts, suspension, brakes, and aerodynamics. The **aluminum frame and chassis** allow for modifications without compromising structural integrity.

7. **Safety Features**

- **Brembo front dual-disc brakes (320mm) with ABS** provide strong stopping power.

- **Rear single-disc brake** with ABS ensures stability.

- **Traction and wheelie control** help prevent skidding in aggressive riding.

8. **Brand Reputation and Reliability**

Aprilia is known for **durable, well-engineered motorcycles**, and the RS660 follows this tradition. The **parallel-twin engine** is robust, and the bike has a **good track record for longevity** with proper maintenance.

9. **Value for Money**

At around ** 6,600**, the RS660 offers **excellent value** compared to other high-performance naked bikes in its segment (e.g., Yamaha MT-09, Kawasaki Ninja 650, or Honda CB650R). It provides **more power, better electronics, and a more premium feel** than many competitors at a similar price.

10. **Resale Value**

Aprilia bikes tend to **retain their value well**, and the RS660 is no exception. Its popularity and strong aftermarket support ensure a **good resale price** after a few years.

---

#### **Cons**

1. **High Power Relative to Weight (Potential Overkill for Beginners)**

While the RS660 is **not as heavy as a fully faired sportbike**, its **80 hp and light weight** can be **intimidating for inexperienced riders**. New riders may struggle with **quick acceleration, traction control, and high-speed stability**, increasing the risk of accidents if not properly trained.

2. **Suspension Tuning Can Be Fussy**

The **WP XPLOR fork and monoshock** are high-quality but require **proper adjustment** for optimal performance. Riders who prefer **softer, more forgiving suspension** (common in touring bikes) may find the RS660 **too firm**, especially on rough roads.

3. **Wind Noise at High Speeds**

Due to its **naked design**, the RS660 experiences **significant wind noise** above **120-140 km/h**, which can be **annoying on long highway rides**. Riders seeking a quieter experience may prefer a fully faired bike.

4. **Limited Storage Space**

The **small fuel tank (15L)** and **minimal storage** (only a small top case) make it **less practical for long-distance touring** compared to bikes like the Honda CB1000R or Yamaha MT-09 (which has a slightly larger tank).

5. **Maintenance Costs**

While Aprilia engines are reliable, **high-performance components (e.g., brakes, suspension, electronics)** can be **more expensive to repair or replace** than those on entry-level bikes. Riders should budget for **regular servicing** to maintain performance.

6. **Not Ideal for Extreme Weather**

The **lack of wind protection and full fairing** means riders are **more exposed to wind, rain, and cold**, making it less comfortable in harsh conditions compared to adventure or touring bikes.

7. **Resale Depreciation Over Time**

While Aprilia bikes hold value well, **high-performance naked bikes in this segment can still depreciate significantly** after a few years, especially if the market shifts toward different trends.

8. **Learning Curve for Electronic Features**

Some riders may find **Aprilia s electronics (traction control, quickshifter, etc.)** overwhelming at first, requiring time to **adjust and understand optimal settings**.

9. **Potential for Overheating in Stop-and-Go Traffic**

The **parallel-twin engine** can **overheat in heavy city traffic** if the rider **doesn t maintain proper RPMs**. This is a common issue with high-revving bikes and requires **good riding habits** to avoid.

10. **Limited Comfort for Very Tall or Short Riders**

While the ergonomics are generally well-designed, **taller riders (above 190 cm) may find the seat position slightly cramped**, while **shorter riders (below 165 cm) might struggle with footpeg reach** without adjustments.

---

### **Conclusion**

The **Aprilia RS660 (2025 model, 6,600)** is an **excellent choice for riders** who:

- Seek a **high-performance, sporty naked bike** with **modern electronics and agile handling**.

- Prefer a **balance between sportiness and comfort**, avoiding the full aggression of a sportbike.

- Want **better power and tech** than entry-level bikes (e.g., CB650R, MT-07) at a **competitive price**.

- Are **experienced or confident riders** comfortable with **higher power and advanced features**.

However, it may **not be ideal for**:

- **Beginners or inexperienced riders** who struggle with high power and advanced electronics.

- Riders who prioritize **touring comfort, wind protection, or storage**.

- Those who prefer **softer suspension** or **lower maintenance costs**.

- Buyers looking for a **long-term touring bike** (better options include the Honda CB1000R or Yamaha MT-09 for versatility).

---

### **Final Recommendation**

**Buy the Aprilia RS660 if:**

You want a **fast, fun, and modern naked bike** with **great electronics and handling**.

You ride **mostly on highways, backroads, or track days** and enjoy **aggressive yet comfortable riding**.

You re **comfortable with maintenance and occasional upgrades** to keep it performing at its best.

You find the **price ( 6,600) reasonable** for the **power, tech, and brand reputation** it offers.

**Consider alternatives if:**

You re a **complete beginner** start with a **less powerful bike (e.g., Honda CB500F, Yamaha MT-03)** first.

You need **more storage or touring comfort** look at the **Honda CB1000R or Yamaha MT-09**.

You dislike **high winds or prefer a more enclosed ride** consider a **sport-touring bike (e.g., BMW R 1250 GS, Ducati Multistrada)**.

You want **lower maintenance costs** entry-level naked bikes (e.g., Kawasaki Ninja 400, Suzuki SV650) may be better.

**Overall Verdict:**

The **Aprilia RS660 is one of the best high-performance naked bikes in its class**, offering **a perfect blend of speed, agility, and modern tech** at a **great price**. If you re looking for a **fun, capable

Details:

Comes with everything seen in the photos. All parts should be installed by a licensed mechanic. Buyer pays return shipping. Stock Number.

part #: zd4xgua05ts000704 price

  • $625.49

specifications mocycfra:

  • for models: Rs660, Rs, 660
  • for makes: Aprilia
  • mpn: Zd4xgua05ts000704
  • part type: Frame

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general mocycfra:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts

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  • quantity: 1
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  • started: April 29, 2026
for models: rs660, rs, 660, for makes: aprilia, part type: frame,
category: motorcycle parts > motorcycle scooter parts accessories > body frame > frames parts, sku: 17889768408980871,
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