HONDA 16111-404-004 Keihin Carburetor Carb Throttle Slide Needle Arm Valve Set

( Engine Type: 4-stroke ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Machine Type: Street Motorcycle ), ( Manufacturer Part Number: 16111-404-004 ), ( Features: Throttled ), ( Universal Fitment: No ), ( Vintage Part: Yes )

Review HONDA Keihin Carburetor Carb Throttle Slide Valve Needle Arm Set fits CB550 1977–1978

Keihin CB550 Carburetor Throttle Slide Valve Needle Arm Set (Honda 16111-404-004) (Fits Honda Motorcycles from 1977-1978)

This Keihin CB550 Carburetor Throttle Slide Valve Needle Arm Set, manufactured by Honda under part number 16111-404-004, is an essential replacement component for motorcycles with the CB550 model engine from Honda produced between 1977 and 1978.

The needle arm set is designed to ensure optimal engine performance by regulating the fuel-air mixture entering the engine through the carburetor. This critical component is prone to wear and tear over time, leading to potential issues such as poor idling, uneven power delivery, and reduced fuel efficiency.

The Keihin CB550 Carburetor Throttle Slide Valve Needle Arm Set includes four key components: the needle, needle jet, slide, and needle arm. Each part is meticulously crafted to maintain the precise tolerances and specifications required for the CB550 engine.

The needle is responsible for controlling the fuel flow by adjusting its height within the jet. The needle jet is the small orifice that allows fuel to flow into the main jet when the throttle valve is open. The slide, connected to the throttle cable, regulates the position of the needle by moving up and down. Lastly, the needle arm, which is part of the slide assembly, connects the needle to the slide, allowing the needle to move freely within the jet.

Installing this genuine HondaKeihin needle arm set is a straightforward process for experienced motorcycle mechanics or professional technicians. It is essential to ensure that all components are properly aligned and securely fastened to ensure the best possible performance from your motorcycle's engine.

By investing in a high-quality, OEM replacement needle arm set like this one, you can restore your CB550's carburetor to its original performance levels while enjoying the peace of mind that comes with using genuine Honda parts.

Pros and Cons of Buying Honda 16111-404-004 Keihin CB550 Carburetor Carb Throttle Slide Valve Needle Arm Set (1977-1978)

The Honda 16111-404-004 Keihin CB550 Carburetor Carb Throttle Slide Valve Needle Arm Set is a crucial component for the proper functioning of the carburetor in Honda CB550 motorcycles manufactured between 1977 and 1978. This article will discuss the pros and cons of purchasing this part to help potential buyers make an informed decision.

1. OEM (Original Equipment Manufacturer) Part: This part is manufactured by the original equipment supplier, ensuring a perfect fit and unmatched performance.

2. Improved Throttle Response: A worn-out or incorrect needle arm set can affect the motorcycle's throttle response. Replacing it with a new one can restore the bike's responsiveness and improve overall performance.

3. Smoother Idle: A faulty needle arm set can cause rough idling or stalling. A new one can help stabilize the idle and make the engine run more smoothly.

4. Better Fuel Economy: A properly functioning carburetor can help improve fuel economy by ensuring optimal air-fuel mixture.

1. Cost: Original equipment parts, especially for older motorcycles, can be more expensive compared to aftermarket alternatives.

2. Availability: These parts may not be readily available at local dealerships or retail stores, requiring buyers to search online or contact specialty shops.

3. Installation Complexity: Carburetor rebuilding and installation can be a time-consuming and complicated process, requiring specialized tools and expertise.

The Honda 16111-404-004 Keihin CB550 Carburetor Carb Throttle Slide Valve Needle Arm Set is an essential component for maintaining the proper functioning of the carburetor in Honda CB550 motorcycles. While it may come with a higher cost and installation complexity, the benefits, such as improved throttle response, smoother idle, and better fuel economy, make it a worthwhile investment for enthusiasts and riders who value performance and reliability.

For those in need of a new needle arm set for their Honda CB550, it is recommended to purchase the OEM part, such as the Honda 16111-404-004, to ensure the best possible fit, performance, and compatibility. However, buyers should also consider their budget and availability of the part before making a purchase. If the OEM part is not easily accessible or affordable, aftermarket alternatives can be explored as well. Regardless of the choice, proper installation and carburetor tuning are crucial for optimal performance.

part # 16111404004 price

• $35.00

specifications iodacarb:

• for models: Cb550
• for makes: Honda
• for years: 1977-1978
• engine type: 4-stroke
• choke type: Mechanical
• type: Carburetor
• machine type: Street Motorcycle
• manufacturer part number: 16111-404-004
• features: Throttled
• universal fitment: No
• vintage part: Yes

offer iodacarb:

• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1
• started: February 6, 2026

returns iodacarb:

• policy: No Returns

seller iodacarb:

• # reviews: 1525
• rating: 100.0%

payments iodacarb:

• wallet: Apple-pay
• other
• credit card: Diners-club

shipping iodacarb:

• transit: 5-12 Days
• class: Standard
• type: Calculated
• cost: $10.15
• service: USPS Ground Advantage
• carrier: USPS

general iodacarb:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Carburetors
• condition: For parts or not working

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