HONDA 23221-041-040 Transmission Counter Shaft Z50 ATC70

( Manufacturer Part Number: 23221-041-040 ), ( Part Type: Transmission Counter Shaft ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review HONDA Oem Z50 Transmission Counter Shaft fits CT70 ST50 ST70

The **Honda 23221-041-040 Countershaft Assembly** is a precision-engineered transmission component designed exclusively for Honda s **CT70, Z50, ATC70, ST50, and ST70** models, ensuring seamless power transfer and optimal performance in these iconic dual-sport and adventure motorcycles. This high-quality countershaft, often referred to as the **gear cluster shaft**, plays a critical role in the transmission system by housing the intermediate gears that facilitate smooth shifting between the motorcycle s forward and reverse gears. Crafted from durable, heat-treated steel, it is machined to exacting tolerances to minimize friction, wear, and noise while maintaining structural integrity under the demanding conditions of off-road and on-road riding. The countershaft assembly integrates with the **primary drive gear, reverse idler gear, and other internal transmission components**, allowing for precise gear engagement and efficient torque distribution from the engine to the rear wheel. Whether replacing a worn or damaged shaft due to excessive wear, improper lubrication, or mechanical failure, this genuine Honda part ensures compatibility with the motorcycle s drivetrain, restoring reliable shifting and extending the lifespan of the transmission. Its robust construction and seamless fitment make it an essential upgrade for riders seeking to maintain peak performance, enhance durability, and avoid costly transmission issues in their Honda dual-sport or adventure bikes.

### **Pros and Cons of buying a Honda 23221-041-040 CT70 Z50 ATC70 ST50 ST70 Transmission Counter Shaft**

1. **OEM Quality and Reliability** Honda is known for durable, high-quality transmissions, and this countershaft is a genuine part designed to match factory specifications. It reduces the risk of premature wear or failure compared to aftermarket alternatives.

2. **Compatibility** This part is specifically engineered for Honda CT70, Z50, ATC70, ST50, and ST70 models, ensuring a perfect fit without modification. It eliminates concerns about sizing issues or improper alignment.

3. **Extended Lifespan** A well-maintained countershaft can significantly reduce transmission wear, potentially extending the overall life of the transmission. This is particularly valuable for older or high-mileage vehicles.

4. **Improved Performance** A functioning countershaft ensures smooth gear engagement and reduces internal friction, which can enhance shifting performance and fuel efficiency.

5. **Prevents Costly Repairs** If the countershaft is failing, it can lead to catastrophic transmission damage. Replacing it proactively avoids expensive overhauls or replacements.

6. **Easier Maintenance** Since this is a direct replacement part, installation is straightforward for mechanics familiar with Honda transmissions. It may also simplify future servicing.

7. **Resale Value** Keeping the transmission in good condition with genuine parts can help maintain the vehicle s resale value, especially for classic or collector models.

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1. **High Cost** As an OEM part, this countershaft is likely more expensive than aftermarket alternatives. The price may be a barrier for budget-conscious buyers or those on a tight repair budget.

2. **Limited Availability** Genuine Honda parts can sometimes be harder to find, especially for older models. Purchasing may require ordering from a specialty supplier, which could delay repairs.

3. **Installation Complexity** While the part itself is straightforward, removing the old countershaft may require disassembling the transmission, which can be labor-intensive and time-consuming for DIYers.

4. **Potential for Counterfeit Parts** If purchasing from an untrusted source, there is a risk of receiving a fake or low-quality replica, which could fail prematurely and void warranties.

5. **Warranty Limitations** If the vehicle is no longer under warranty, the cost of the part falls entirely on the owner. Honda s extended warranties (if applicable) may not cover this specific component.

6. **Opportunity Cost** The funds spent on this part could be allocated toward other maintenance needs, such as fluid changes, seals, or other transmission components that might also require attention.

7. **Mixed Benefits for Older Vehicles** If the transmission is already severely worn or damaged beyond the countershaft, replacing just this part may provide temporary relief but not a long-term fix. A full rebuild might be necessary.

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The **Honda 23221-041-040 countershaft** is a **high-quality, reliable OEM part** that offers significant benefits for maintaining or restoring transmission health in compatible Honda models. Its primary advantages lie in **durability, compatibility, and performance improvements**, making it a strong choice for owners who prioritize longevity and authenticity. However, the **higher cost, potential installation challenges, and availability issues** must be carefully considered, particularly for those on a limited budget or working with older vehicles.

For **owners who can afford it and have access to proper installation**, this part is a **wise investment** to prevent transmission failure and extend the life of the vehicle. For those hesitant due to cost, **aftermarket alternatives** (from reputable brands) could be a more budget-friendly option, though they may not offer the same level of assurance.

- You have a **budget for genuine Honda components** and want the best fit and longevity.

- Your transmission is otherwise in good condition, and this replacement is part of a **preventive maintenance plan**.

- You are **comfortable with transmission disassembly** or have a trusted mechanic to handle installation.

- You are working with a **tight budget** and can verify the aftermarket part s quality (e.g., brands like **Gates, Dura-Bilt, or Motorex**).

- The transmission shows **signs of broader issues** (e.g., fluid leaks, clutch problems), and a full rebuild may be more cost-effective in the long run.

- You are **not experienced with transmission work** and prefer a simpler, less expensive repair.

Ultimately, **prioritize the health of your transmission** whether through OEM or high-quality aftermarket parts over cost alone, as transmission failure can lead to far greater expenses. If in doubt, consult a **Honda specialist** to assess whether this part alone will suffice or if additional repairs are needed.

Details:

Fitting model's. Shaft is in good condition and has no severe damage. Used counter shaft out of a 1971 CT70. Confirm fitment before purchase.

All splines and spinning surfaces are good. Other model's that this item fits. ATC70 1973 USA. ATC70 1978 USA.

C70K1 1972 USA.

part #: 23221041040 prices

• $93.49-$125.90

specifications cyclevintagee:

• for models: Ct70, St50, St70
• for makes: Honda
• mpn: 23221-041-040
• part type: Transmission Counter Shaft
• vintage part: Yes
• country of origin: Japan

shipping cyclevintagee:

• cost: $11.16
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• type: Calculated
• transit: 8-15 Days

seller cyclevintagee:

• rating: 100.0%
• city: Wendell, North Carolina
• # reviews: 5639

general cyclevintagee:

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

returns cyclevintagee:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

payments cyclevintagee:

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

offer cyclevintagee:

• started: May 14, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

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