APRILIA 858721 Left Light Control Switch
fits model: Rsv4, Rr. make: Aprilia. year: 2014.
( Manufacturer Part Number: 858721 ), ( Country Of Origin: Austria ), ( Manufacturer Warranty: 60 Days ), ( Vehicle Type: Motorcycle ), ( Type: Switches ), ( Color: Black ), ( Material: Plastic ), ( Placement On Vehicle: Left ), ( Item Weight: 1 Lb )
Review APRILIA Factory Left Hand Light Control Switch fits RSV4 RR 2014
The **Aprilia 858721 2014 RSV4 Left Light Control Switch** is a precision-engineered component designed specifically for the iconic Aprilia RSV4, a motorcycle renowned for its cutting-edge technology, aggressive styling, and high-performance capabilities. This left-side light control switch is a critical element of the bike s electrical system, ensuring seamless operation of the turn signals, daytime running lights, and other illuminated indicators. Crafted from high-quality, durable materials, this switch is built to withstand the demands of both urban commuting and high-speed highway riding, delivering reliable performance even under the most challenging conditions. The switch features a sleek, aerodynamic design that complements the RSV4 s aggressive aesthetic while maintaining a robust, functional structure. Its ergonomic placement and intuitive operation allow riders to effortlessly activate the left turn signal, daytime running lights, or other illuminated functions with a simple flick of the wrist, enhancing both convenience and safety. Compatible exclusively with the 2014 model year of the RSV4, this switch is a direct OEM replacement, ensuring an exact fit and seamless integration with the motorcycle s existing wiring and electrical layout. Whether you're restoring an original RSV4 or upgrading an existing bike, this left light control switch guarantees optimal functionality, long-lasting durability, and the confidence of knowing your motorcycle s lighting system is operating at peak efficiency.
Buying a used **Aprilia RSV4 2014 (chassis number 858721) with a left light control switch** involves weighing several factors, including mechanical condition, market value, and long-term reliability. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.
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### **Pros of Buying This RSV4**
1. **Strong Performance and Reputation**
The RSV4 is one of Aprilia s most iconic sportbikes, known for its aggressive styling, high-performance engine (1,100cc inline-four), and sharp handling. It remains a desirable machine for enthusiasts, which can make resale value relatively stable compared to less popular bikes.
2. **Mid-Engine Layout and Agility**
The RSV4 s mid-engine design provides excellent weight distribution, making it highly agile and responsive, especially in corners. This layout is ideal for track use and spirited riding on twisty roads.
3. **Aftermarket Support and Customization**
The RSV4 has a large and passionate aftermarket community. Parts like exhausts, suspension upgrades, and performance chips are widely available, allowing owners to tailor the bike to their preferences. The left light control switch (which may be part of a custom or track setup) suggests the bike could be further modified.
4. **Potential for Track or Track-Day Use**
If the bike has been maintained for track use, it may have upgrades like race-grade suspension, lighter components, or a stripped-down fairing. This could make it more appealing to riders who prioritize performance over comfort.
5. **Nostalgia and Prestige**
The RSV4 is a classic in its own right, especially the early models like the 2014. Owning one can be a point of pride for collectors or riders who appreciate Aprilia s design language from that era.
6. **Potential for Lower Purchase Price**
Since the RSV4 is no longer in production and parts can be expensive, some sellers may offer competitive prices, especially if the bike has seen limited use or has been well-maintained.
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### **Cons of Buying This RSV4**
1. **Age and Wear on Key Components**
The 2014 RSV4 is now **10 years old**, which means critical components like the engine, transmission, suspension, and brakes may be nearing the end of their service life. Worn-out parts (e.g., clutch, chain, bearings, or suspension seals) can lead to costly repairs if not addressed promptly.
2. **High Maintenance and Repair Costs**
Aprilia parts, especially for older models, can be expensive. The RSV4 s complex engine (with its desmodromic valve system) and high-performance components require specialized knowledge to maintain. Labor costs for repairs can also be significant, particularly if the bike is taken to a dealership.
3. **Potential for Neglect or Improper Modifications**
Without a thorough inspection, it s difficult to assess whether the bike has been properly maintained or if modifications (e.g., to the lighting system, exhaust, or suspension) have been done correctly. Poor modifications can compromise safety or performance.
4. **Suspension and Tires May Be Worn**
The RSV4 s aggressive suspension setup (harder than most street bikes) can wear out quickly, especially if the bike has been used on rough roads or tracks. Tires, too, are a major expense and degrade rapidly with high-speed or track use.
5. **Lighting System and Electrical Issues**
The left light control switch (which may be part of a custom setup) could indicate that the bike has been modified for track use, where lighting is often disabled or altered. However, this also means the electrical system may have been tampered with, leading to potential reliability issues. Ensure the bike s lighting, instrumentation, and electrical components (e.g., ECU, sensors) are in good working order.
6. **Resale Value May Not Justify the Investment**
While the RSV4 holds value reasonably well, its resale potential is limited compared to newer or more common bikes. If you plan to sell it in the future, you may not recover a significant portion of your investment.
7. **Rider Skill and Experience Required**
The RSV4 s power delivery (especially in high-revving scenarios) and aggressive handling demand a confident rider. Novice riders may find it challenging to manage, increasing the risk of accidents or damage.
8. **Fuel and Insurance Costs**
The RSV4 s high-performance nature can lead to higher fuel consumption (around 6-7 L/100 km in mixed riding) and potentially higher insurance premiums, especially if the bike is used for track days or modified.
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### **Conclusion**
Buying a **2014 Aprilia RSV4 (chassis 858721) with a left light control switch** can be a rewarding experience if you are a passionate rider who values performance, customization, and the bike s legacy. However, the risks associated with its age, maintenance costs, and potential for hidden issues must be carefully considered.
This bike is best suited for:- **Experienced riders** who can handle its power and handling characteristics.
- **Those willing to invest time and money** in maintenance, upgrades, or repairs.
- **Enthusiasts who prioritize riding enjoyment and customization** over practicality.
- **Riders who plan to use it primarily for track days or spirited road riding**, where its strengths shine.
If you are not prepared for the potential challenges (e.g., high repair bills, limited resale value, or the need for advanced mechanical skills), it may be more prudent to consider a newer or less demanding bike.
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### **Recommendation**
1. **Get a Professional Inspection**
Before purchasing, have the bike thoroughly inspected by a trusted mechanic or Aprilia specialist. Focus on:- Engine condition (compression, oil leaks, valve train wear).
- Transmission and clutch health.
- Suspension (shocks, forks, bushings).
- Brakes (pads, rotors, calipers, fluid condition).
- Electrical system (lighting, sensors, ECU, wiring).
- Frame and subframe for cracks or damage.
2. **Verify Maintenance Records**
Request full service history, especially for major components like the engine, suspension, and brakes. If records are incomplete or missing, proceed with caution.
3. **Test Ride Thoroughly**
Pay attention to:- Engine smoothness (listen for knocking, rough idling, or valve train noise).
- Braking performance (check for uneven pad wear or spongy feel).
- Suspension response (test on different road surfaces).
- Handling (check for excessive play in steering or suspension).
4. **Budget for Repairs**
Allocate at least **20-30% of the purchase price** for immediate repairs or upgrades. Be prepared for unexpected costs, especially if the bike has been neglected.
5. **Consider Alternatives**
If the RSV4 s price is high relative to its condition, explore alternatives like:- A **newer RSV4 (2016 )** with updated electronics and reliability improvements.
- A **used but well-maintained sportbike** (e.g., Yamaha R1, Suzuki GSX-R, or Ducati Panigale) with better long-term support.
- A **track-only bike** (e.g., a stripped-down RSV4 or a dedicated track machine) if your primary use is on the circuit.
6. **Proceed with Caution**
If the bike checks out and you are confident in your ability to maintain it, the RSV4 can be an incredible ride. However, treat it as a project bike rather than a plug-and-play purchase. Enjoy the experience, but be prepared for the challenges that come with owning a classic high-performance machine.
Details:
It is from a reputable donor Bike and comes trusted dismantle. Buy now or make offer - ships fast. Ready to install this Left Hand Light Control Switch. Comes as pictured.
Key Features condition: housing is sun faded. Fully inspected, tested and cleaned - perfect for restoration, custom build or replacement. Stored dry and in doors since removal. Buyer confirms compatibility for other model's.
It does work fine though.
part #: 858721 prices
- $79.99-$108.77
specifications cycleswitches:
- for models: Rsv4, Rr
- for makes: Aprilia
- for years: 2014
- mpn: 858721
- country of origin: Austria
- manufacturer warranty: 60 Days
- vehicle type: Motorcycle
- type: Switches
- color: Black
- material: Plastic
- placement on vehicle: Left
- item weight: 1 Lb
offer cycleswitches:
- options: Ship-to-home
- started: February 25, 2026
- availability: In Stock
- sold: 0
- quantity: 1
shipping cycleswitches:
- carrier: USPS
- class: Expedited
- transit: 3-7 Days
- cost: $0.00
- service: USPS Priority Mail
- type: Calculated
returns cycleswitches:
- time: 60 Days
- policy: Returns Accepted
- paid by: Seller
general cycleswitches:
- condition: Used
- Electrical Ignition Components > Electrical Ignition Sensors Switches > Ignition Key Switches
payments cycleswitches:
- other
- wallet: Paypal
- credit card: Visa
seller cycleswitches:
- city: Tyler, Texas
- rating: 100.0%
- # reviews: 25557
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