DELLORTO Carburetor UB22S2

( Brand: Dellorto ), ( Machine Type: Street Motorcycle ), ( Items Included: Float Bowl ), ( Manufacturer Part Number: UB22 ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Engine Type: 4-stroke ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Spread Bore ), ( Country Of Origin: Italy ), ( Performance Part: No )

Review DELLORTO Vintage Carburetor

The Dellorto UB22 Carburetor, specifically the UB22S2 variant, is a high-performance carburetor designed for motocross and off-road motorcycles. This carburetor is known for its reliable and consistent fuel delivery, making it a popular choice among racers and enthusiasts.

The UB22S2 features a 38mm throttle body diameter, which ensures a generous airflow for optimal engine performance. It comes with two 30mm venturi, each equipped with a separate float bowl, allowing for precise fuel metering for each cylinder. This design provides excellent idle stability and smooth power delivery throughout the entire RPM range.

This carburetor boasts several advanced features, such as the automatic choke system that ensures easy starting in various conditions. It also comes with an adjustable idle mixture screw, which enables fine-tuning of the engine's idle mixture for optimal performance and fuel economy.

The UB22S2 also has a unique design for its float level adjustment system. Instead of the traditional screw adjustment, this carburetor uses a float bowl with a sliding rubber seal. This design allows for easy adjustments without the need for disassembling the carburetor, making it more convenient for riders and mechanics.

Additionally, the UB22S2 comes with a needle jet kit that allows for fine-tuning of the main jet for various fuel types and altitudes. This kit includes needles with different jet sizes, enabling riders to optimize their engine's fuel mixture for their specific riding conditions.

The Dellorto UB22S2 Carburetor is not only known for its performance but also for its durability. It is made with high-quality materials, such as billet aluminum, stainless steel, and brass, ensuring a long-lasting and reliable carburetor. It also comes with a protective cover to shield it from debris and damage during off-road riding.

In summary, the Dellorto UB22S2 Carburetor is a high-performance, reliable, and durable option for motocross and off-road motorcycles. Its advanced features, such as automatic choke, adjustable idle mixture screw, and easy-to-adjust float level system, make it a popular choice among racers and enthusiasts looking for optimal engine performance.

The Dellorto UB22 carburetor, specifically the UB22S2 variant, is a popular choice among vintage motorcycle enthusiasts and some modern bike builders due to its reliability, performance, and Italian engineering. However, like any mechanical component, it comes with its own set of advantages and disadvantages.

1. High Performance: The UB22S2 is known for its excellent fuel-air mixture, which leads to better combustion and improved engine performance.

2. Adjustability: The carburetor offers a high degree of adjustability, allowing riders to fine-tune the engine for optimal performance under various conditions.

3. Durability: Dellorto carburetors have a reputation for being robust and long-lasting, making them a preferred choice for those who value reliability.

4. Classic Appeal: The UB22S2 maintains the classic look of traditional motorcycle carburetors, making it an attractive choice for those who value the aesthetic appeal of their bikes.

1. Complexity: The UB22S2 is a more complex carburetor compared to modern fuel-injection systems. This complexity can lead to increased maintenance and potential issues if not set up correctly.

2. Cost: Dellorto carburetors, particularly the UB22S2, can be more expensive than other aftermarket or OEM options. This higher cost may deter some riders.

3. Learning Curve: Setting up and tuning the UB22S2 can be a challenging process, requiring a solid understanding of carburetor theory and motorcycle engine dynamics.

The Dellorto UB22S2 carburetor offers superior performance, adjustability, and classic appeal, but it comes at the cost of increased complexity and potential maintenance challenges. For those who are passionate about their vintage motorcycles, value the look and feel of a traditional carburetor, and are willing to invest time and resources into its setup and maintenance, the UB22S2 is an excellent choice.

If you're considering purchasing a Dellorto UB22S2 carburetor, ensure you have a solid understanding of carburetor theory, motorcycle engine dynamics, and the time and resources to dedicate to its setup and maintenance. If you're comfortable with these requirements, the UB22S2 is a high-performing and attractive option for your vintage motorcycle. However, if you're looking for a more straightforward, low-maintenance carburetor or prefer a fuel-injection system, there may be other options better suited to your needs.

part # ub22 prices

• $62.34-$240.73

specifications iodacarb:

• brand: Dellorto
• machine type: Street Motorcycle
• items included: Float Bowl
• manufacturer part number: UB22
• material: Aluminum
• vintage part: Yes
• engine type: 4-stroke
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Spread Bore
• country of origin: Italy
• performance part: No

general iodacarb:

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

shipping iodacarb:

• carrier: USPS
• service: USPS Ground Advantage
• cost: $11.00
• type: Calculated
• transit: 5-9 Days
• class: Standard

payments iodacarb:

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

seller iodacarb:

• # reviews: 273
• rating: 100.0%

returns iodacarb:

• policy: No Returns

offer iodacarb:

• availability: In Stock
• started: November 17, 2025
• quantity: 1
• sold: 0
• options: Ship-to-home

Dellorto UB22 Is Similar To:

• Dellorto 2053 Carburetor Top Ducati Benelli Aermacchi (47.8% similar) $24.99–$125.00. (August 27th, 2024)
• Dellorto Ubf20bs Vintage Ubf 20bs Carburettor Ducati Morini Aermacchi Guzzi Classic Carb (52% similar) $58.94–$62.34. (September 18th, 2024)
• Dellorto Dhla40 Chrome Dual Throat Carburetor Shovelhead Intake Harley Davidson (40.7% similar) $337.50–$560.00. (October 5th, 2024)
• Dellorto 50231001944 1996 Ktm 125 Exc Carburetor Carb Fuel Intake (48.1% similar) $99.99. (October 11th, 2024)
• Dellorto 1824 Ss1 Ssi 25-30 Carburetor M13 Slide Needle (51.1% similar) $24.99. (October 22nd, 2024)
• Dellorto Ssi-30d Ss1 29 D Carburetor Ducati Parilla Moto Guzzi G80 Goldstar Vintage Carb (36.2% similar) $49.99–$389.99. (October 29th, 2024)
• Dellorto Vhb27as Amf Aermacchi Harley Davidson Carburetor Vhb 27a S Sprint Vhb27a (45% similar) $365.00–$1875.00. (November 29th, 2024)
• Ktm 55531501144 Genuine Oem 1990 350 Exc Dellorto Carburetor Carb Throttle Cable (35.3% similar) $102.60. (December 6th, 2024)
• Dellorto Phbg19 Phbg 19 Bs Carburetor Carby 50cc Ktm/husky/gas Gas 50sx Tc50 Mc50 (41.7% similar) $26.00–$158.81. (December 9th, 2024)
• Goodpartscenterusa 550739601516 Carburetor 53002 Automatic Choke Starter For Dellorto Phbg 17.5ad 21as 19/21ds (29.5% similar) $11.19. (December 19th, 2024)
• Motorshop 77usa 532662200097 70-88 M5 Main Jet For Dellorto Carburetor Sha Shb Ua Ub Phbg Vhb-cs Vhbt-cs (32.2% similar) $11.91. (December 23rd, 2024)