1. Motorcycle Carburetors Offers
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  3. KS 56-1011

KS TECHNOLOGIES 56-1011 Carburetor Air Valve Set 1100/XV750

fits model: Xv1100, 1100, Xv750, 750, Virago. make: Yamaha.

56-1011 K&s Technologies Carburetor Air Cut Off Valve Set Yamaha Xv1100 Virago 1100/xv750 750

( Brand: Ks Technologies ), ( Part Type: Valve Carburetor ), ( Manufacturer Part Number: 56-1011 ), ( Warranty Details: See Manufacturer )

Review KS TECHNOLOGIES Carburetor Air Cut Off Valve Set Yamaha 1100/xv750 fits VIRAGO XV1100 1100 XV750 750

Introducing the KS 56-1011 Carburetor Air Valve Set, specifically designed for Yamaha XV1100 Virago 1100 and XV750 750 models. This high-performance replacement set ensures optimal air-fuel mixture for your motorcycle's engine, delivering enhanced throttle response and improved engine efficiency.

The KS 56-1011 Carburetor Air Valve Set consists of a pair of precision-engineered air valves. These valves regulate the flow of air into the carburetor, maintaining a consistent air-fuel ratio and preventing the engine from flooding during acceleration. The valves are designed with durability in mind, featuring a robust construction that resists wear and tear from the demanding conditions of motorcycle use.

Each air valve in this set is equipped with a rubber diaphragm that responds quickly to changes in engine vacuum. This design allows the valves to adapt to varying riding conditions, ensuring consistent engine performance. The diaphragms are reinforced with a heavy-duty synthetic rubber material that provides excellent resistance to oil, fuel, and temperature, guaranteeing a long service life.

Installation of the KS 56-1011 Carburetor Air Valve Set is straightforward and can be completed in a short amount of time. The set includes all necessary hardware, making it a convenient and cost-effective solution for maintaining the health of your Yamaha motorcycle's carburetion system.

In summary, the KS 56-1011 Carburetor Air Valve Set is an essential upgrade for Yamaha XV1100 Virago 1100 and XV750 750 motorcycle owners. With its robust design, quick-responding diaphragms, and straightforward installation process, this replacement set ensures reliable engine performance, improved throttle response, and enhanced riding enjoyment.

Pros and Cons of Buying a KS 56-1011 Carburetor Air Valve Set for Yamaha Virago 1100/XV750 750

Introduction:

The KS 56-1011 Carburetor Air Valve Set is a popular aftermarket replacement for the stock air valves on Yamaha Virago 1100/XV750 750 motorcycles. This part is designed to improve the performance and fuel efficiency of the motorcycle by regulating the flow of air into the carburetor. In this article, we will discuss the pros and cons of buying this product.

Pros:

1. Improved Performance: The KS 56-1011 Carburetor Air Valve Set is designed to provide better air flow to the carburetor, which can lead to improved engine performance.

2. Enhanced Fuel Efficiency: By improving the air flow to the carburetor, the KS air valve set can also help to enhance fuel efficiency, resulting in better gas mileage.

3. Durability: The KS air valve set is made of high-quality materials and is designed to last longer than the stock air valves.

4. Easy Installation: The installation process for the KS air valve set is straightforward and can be completed in a relatively short amount of time.

5. Affordable: Compared to other performance upgrades, the KS air valve set is an affordable option for those looking to improve the performance of their Yamaha Virago or XV750.

Cons:

1. Potential for Over-Fueling: Some users have reported that the KS air valve set can cause the engine to over-fuel, leading to rich mixtures and potential engine damage.

2. Requires Adjustment: The KS air valve set may require adjustment to achieve optimal performance, which can be a time-consuming process for some users.

3. Incompatibility with Aftermarket Air Filters: Some aftermarket air filters may not be compatible with the KS air valve set, which can lead to additional costs and complications.

4. Lack of OEM Replacement: The KS air valve set is not an OEM replacement, which means that it may not provide the same level of fit and finish as the stock air valves.

Conclusion:

The KS 56-1011 Carburetor Air Valve Set is an affordable and effective performance upgrade for Yamaha Virago 1100/XV750 750 motorcycles. It offers improved performance, enhanced fuel efficiency, and durability, making it a popular choice among enthusiasts. However, it also comes with some potential drawbacks, such as the need for adjustment and the possibility of over-fueling. Ultimately, the decision to purchase the KS air valve set depends on the individual user's priorities and preferences.

Recommendation:

If you are looking to improve the performance and fuel efficiency of your Yamaha Virago 1100/XV750 750, the KS 56-1011 Carburetor Air Valve Set is a good option to consider. However, it is important to keep in mind that it may require adjustment, and some aftermarket air filters may not be compatible. Additionally, be aware that it is an aftermarket part, and not a direct OEM replacement. It is recommended to follow the installation instructions carefully, and to consult with a professional mechanic if you are unsure about the installation process.

part # 561011 prices

  • $21.89-$38.35

specifications iodacarb:

  • for models: Xv1100, 1100, Xv750, 750, Virago
  • for makes: Yamaha
  • brand: Ks Technologies
  • part type: Valve Carburetor
  • manufacturer part number: 56-1011
  • warranty details: See Manufacturer

offer iodacarb:

  • started: December 23, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 7

payments iodacarb:

  • credit card: Mastercard
  • other
  • wallet: Google-pay

shipping iodacarb:

  • type: Fixed
  • transit: 11-17 Days
  • cost: $0.00
  • class: Standard
  • service: Standard

general iodacarb:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Carburetors
  • condition: New

seller iodacarb:

  • rating: 99.6%
  • # reviews: 661973

returns iodacarb:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: xv1100, 1100, xv750, 750, virago, for makes: yamaha, part type: valve carburetor, warranty details: see manufacturer,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 9228041758224793,

Ks Technologies 56-1011 Is Similar To:

iodacarb logo
2 offers $21.89–$38.35 USD
  • Offer #1: $21.89 price + $5.75 delivery = $27.64* total. XV1100D / DC / E / EC / F / FC / G / GC / Virago 1992-95. XV750D / DC / E / EC / F / FC /G / GC / Virago 1992-95.+$5.75 shipping
  • Offer #2: $38.35 price + $26.85 delivery = $65.20* total. 27-8027 (Phoenix Motos Ltd.). Air Cut Off Valve Sets Yamaha 3CF-1490H-00.+$26.85 shipping