HARLEY-DAVIDSON 75221 Transmission Sprocket Big

( Brand: Harley-davidson ), ( Manufacturer Part Number: 75221 ), ( Part Type: Transmission Sprocket ), ( Placement On Vehicle: Front ), ( Color: Black ), ( Universal Fitment: No ), ( California Prop 65 Warning: Anything Can Cause Cancer ), ( Compatible Model: Big Twin )

Review HARLEY DAVIDSON 23 Tooth Transmission Sprocket Big fits TWIN 1936–1979

Harley-Davidson 75221 23 Transmission Sprocket for Big Twin (1936-1979)

Experience the timeless charm of motorcycle engineering with the Harley-Davidson 75221 23 Transmission Sprocket, designed specifically for Big Twin models manufactured between 1936 and 1979. This essential component is a testament to Harley-Davidson's unwavering commitment to quality, durability, and the iconic style that defines their motorcycles.

Crafted with precision, this transmission sprocket is meticulously engineered to fit seamlessly into your Big Twin's drive train. With a tooth count of 23, it offers a balanced performance that ensures smooth and efficient power transfer from the transmission to the rear wheel. The tooth profile is carefully designed to minimize wear and tear, ensuring long-lasting performance even under heavy loads.

Manufactured from high-quality materials, this transmission sprocket is built to withstand the rigors of daily riding. It boasts a robust construction that resists corrosion, ensuring reliability in various weather conditions. The tooth surface is treated for optimal tooth engagement, reducing the risk of slippage and enhancing overall performance.

Installation is straightforward, thanks to the accurate fit and finish of this component. However, it is always recommended to consult your vehicle's service manual or a professional mechanic to ensure correct installation and maintenance procedures are followed.

Upgrade your Big Twin with the Harley-Davidson 75221 23 Transmission Sprocket and experience the difference in performance and reliability. This is more than just a replacement part; it's a piece of motorcycling history that will keep your Big Twin running smoothly for years to come.

1. Compatibility: This sprocket is specifically designed for Harley-Davidson Big Twin models from 1936 to 1979, ensuring a perfect fit for your motorcycle.

2. Quality: As an official Harley-Davidson part, this sprocket is made with high-quality materials, ensuring durability and reliability.

3. Performance: A new transmission sprocket can improve the performance of your bike by reducing wear and tear on other transmission components, improving shifting and reducing noise.

1. Price: Original Harley-Davidson parts can be expensive, and this sprocket is no exception.

2. Availability: Depending on your location and the availability of Harley-Davidson dealers, finding this part may be difficult or time-consuming.

3. Installation: Installing the sprocket yourself requires a good understanding of motorcycle mechanics, or you may need to pay for professional installation.

The Harley-Davidson 75221 23 Transmission Sprocket for Big Twin (1936-1979) is a high-quality part that offers improved performance and compatibility for your motorcycle. However, it comes at a premium price, and installation may require some mechanical knowledge or additional costs. If you're willing to invest in the part and either have the mechanical skills to install it or are prepared to pay for professional installation, this sprocket could be a worthwhile investment for your Harley-Davidson Big Twin.

For a more cost-effective solution, consider aftermarket transmission sprockets that are designed to fit your Harley-Davidson Big Twin. These parts may not be official Harley-Davidson parts, but they can offer similar performance and compatibility at a lower price. Just ensure that the aftermarket part is compatible with your specific model year and transmission configuration. If you're unsure, consult with a Harley-Davidson dealer or a mechanic with experience working on your model of bike.

Details:

Features: Genuine OEM Harley-Davidson Part: Not an aftermarket component. New Old Stock NOS: Brand new, never used, and installed. Harley-Davidson OEM 23 Tooth Starter Jack shaft Gear/Sprocket - NOS. The part itself is in pristine, brand-new condition.

The gear is brand new, has never been used or installed, and a rare find in this condition. DECs: Big Twin Harley 1936-1979. Direct Fit: Perfect for a restoration or replacement part where brand-new component is needed. The part is clearly stamped with a 23 and comes its original, though dirty worn, parts bag.

It is a key component in the primary drive, engaging with clutch baskets starter ring gear to turn over engine. This is a New Old Stock NOS genuine Harley-Davidson 23-tooth starter jack shaft gear.

part #: 75221 prices

• $17.80-$39.00

specifications transmissioncycleoi:

• for models: Twin
• for makes: Harley
• for years: 1936-1979
• brand: Harley-davidson
• mpn: 75221
• part type: Transmission Sprocket
• placement on vehicle: Front
• color: Black
• universal fitment: No
• california prop 65 warning: Anything Can Cause Cancer
• compatible model: Big Twin

payments transmissioncycleoi:

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

offer transmissioncycleoi:

• sold: 0
• availability: In Stock
• started: September 3, 2025
• options: Ship-to-home
• quantity: 1

returns transmissioncycleoi:

• policy: No Returns

general transmissioncycleoi:

• Motorcycle Scooter Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts
• condition: Used

shipping transmissioncycleoi:

• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail
• cost: $9.70
• type: Calculated
• transit: 5-10 Days
• carrier: USPS

seller transmissioncycleoi:

• rating: 98.4%
• # reviews: 183
• city: New Ulm, Minnesota

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