HONDA K29A Keihin Carburetor

( Type: Carburetor ), ( Manufacturer Part Number: K29A ), ( Vintage Part: Yes )

Review HONDA Vintage Late Keihin Carburetor fits TRAIL K1 CT90 1969–1990

The Honda K29A carburetor, as used in the iconic Honda K1 CT90 Trail 90 motorcycle produced in 1969, is a testament to the reliability and performance of Honda's engineering. This carburetor, manufactured by Keihin, is a flat-slide type, which allows for smooth and consistent fuel delivery to the engine.

The carburetor features a 28mm throttle body, which is large enough to provide ample airflow for the engine while maintaining precise control. The flat-slide design allows for easy adjustment of the idle mixture and main jet for optimal performance in various riding conditions. This carburetor also comes with an automatic choke mechanism, ensuring easy starting, even in cold weather.

The idle jet and needle jet are adjustable, allowing for fine-tuning of the idle mixture. The main jet and pilot jet can also be adjusted, allowing for tuning of the fuel mixture for optimal power delivery and fuel efficiency. The carburetor comes with a set of screws for adjustments, making it easy for the user to make modifications as needed.

The Honda K29A carburetor is known for its durability, with a robust design that can withstand the rigors of off-road riding. The carburetor body is made of aluminum, which is both lightweight and corrosion-resistant. The float bowls are made of plastic, which helps to minimize fuel sloshing and ensure consistent fuel delivery.

The Honda K29A carburetor is a must-have for anyone restoring or maintaining a classic Honda K1 CT90 Trail 90 motorcycle. With its simple design, ease of adjustment, and robust construction, this carburetor is sure to provide reliable and consistent performance for years to come. Whether you're riding in the woods or on the pavement, the Honda K29A carburetor is up to the challenge.

The Honda K29A carburetor, which is used in various Honda models including the 1969 K1 CT90 Trail 90, is a popular choice for off-road motorcycles due to its durability and reliability. Here are some pros and cons of buying this carburetor for your motorcycle:

1. Durability: The K29A carburetor is known for its longevity and ability to withstand rough riding conditions, making it an ideal choice for off-road motorcycles.

2. Easy to adjust: The Keihin carburetor comes with easily adjustable mixtures, allowing riders to fine-tune the air-fuel ratio for optimal performance and fuel efficiency.

3. Availability: The K29A carburetor is readily available in the aftermarket, making it easy to find replacement parts and service.

4. Affordable: Compared to other high-performance carburetors, the K29A is relatively affordable, making it a cost-effective option for motorcycle enthusiasts.

1. Limited power: The K29A carburetor is not known for its high power output, making it less suitable for high-performance motorcycles or those requiring more horsepower.

2. Complexity: Compared to modern fuel injection systems, carburetors can be more complex to tune and maintain, requiring a certain level of technical expertise.

3. Fuel economy: While the K29A carburetor is known for its fuel efficiency, it may not be as efficient as modern fuel injection systems, leading to slightly higher fuel consumption.

In conclusion, the Honda K29A carburetor is a reliable and durable option for off-road motorcycles, especially those with simpler engine configurations. Its affordability and ease of adjustability make it a popular choice among motorcycle enthusiasts. However, its limited power output and complexity may not be suitable for high-performance motorcycles or those requiring more advanced fuel delivery systems.

Based on the above analysis, I would recommend the Honda K29A carburetor to motorcycle enthusiasts looking for a reliable and affordable option for their off-road motorcycle, especially those with simpler engine configurations. However, if you require more horsepower or a more advanced fuel delivery system, you may want to consider other options.

part # k29a prices

• $76.99-$230.99

specifications iodacarb:

• for models: K1, Ct90, Trail
• for makes: Honda
• for years: 1969-1990
• type: Carburetor
• manufacturer part number: K29A
• vintage part: Yes

returns iodacarb:

• policy: No Returns

seller iodacarb:

• rating: 100.0%
• # reviews: 1122

general iodacarb:

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

offer iodacarb:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: June 29, 2025

payments iodacarb:

• other
• credit card: Visa
• wallet: Paypal

shipping iodacarb:

• type: Fixed
• cost: $12.00
• service: USPS Priority Mail
• class: Expedited
• transit: 4-10 Days
• carrier: USPS

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