HONDA 23431-443-000 Shaft Gear 2ND 19T

( Manufacturer Part Number: 23431-443-000 ), ( Part Type: Shaft Gear ), ( Machine Type: Motorcycle ), ( Manufacturer Warranty: No Warranty ), ( Material: Steel ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review HONDA 2nd Main Shaft Gear 19t fits CB400T 1981

The **Honda 23431-443-000 1981 CB400T Second Shaft Gear (19T)** is a meticulously engineered, high-performance transmission component designed exclusively for Honda s iconic **CB400T**, a legendary adventure motorcycle known for its rugged reliability and timeless appeal. This specific **19-tooth second shaft gear** plays a critical role in the bike s drivetrain, directly influencing its shifting dynamics, acceleration, and overall riding experience. Crafted from premium-grade **steel alloy**, this gear is precision-machined to Honda s exacting specifications, ensuring seamless engagement with the corresponding primary gear and sprocket assembly. Its **hardened teeth** are designed to withstand the intense forces generated during aggressive riding, high-speed cruising, or prolonged use in demanding conditions, reducing wear and preventing premature failure. The gear s **tapered bore** ensures a snug, vibration-free fit on the second shaft, minimizing backlash and enhancing gear shift precision a key factor for riders who demand smooth, predictable performance. Whether you re restoring a classic CB400T to its original glory or upgrading an existing drivetrain for improved durability, this OEM-quality gear delivers the reliability and performance expected from Honda s legendary engineering. Perfect for both enthusiasts and mechanics, it serves as an essential replacement part for those seeking to maintain or enhance the drivetrain integrity of this timeless adventure machine.

### **Pros and Cons of Buying a 1981 Honda CB400T with the Specified 2nd Shaft Gear (19T)**

#### **Pros**

1. **Classic Design and Reliability** The Honda CB400T is a well-regarded classic motorcycle from the early 1980s, known for its durable construction and Honda s reputation for reliability. Many of these bikes still run strong with proper maintenance.

2. **Affordable Price** As a used bike from this era, the CB400T is generally budget-friendly compared to modern sportbikes, making it an attractive option for riders on a limited budget.

3. **Simple and Easy to Maintain** The bike features a straightforward air-cooled, parallel-twin engine, which is less complex than modern liquid-cooled, fuel-injected engines. This makes repairs and maintenance more accessible for DIY mechanics.

4. **Good for Beginners** The CB400T is a mid-sized bike (around 400cc) that offers a balance between power and manageability, making it suitable for new riders looking for a reliable first bike.

5. **Aftermarket Support** Due to its popularity, parts and modifications are widely available. Upgrades like carburetors, exhausts, and suspension components are common and can enhance performance.

6. **Lightweight for Its Class** At around 450 480 lbs (204 217 kg) dry, it is relatively light for a 400cc bike, making it easier to handle than heavier modern cruisers or sportbikes.

7. **Nostalgic Appeal** For enthusiasts who appreciate classic motorcycles, the CB400T s retro styling and vintage charm can be a major selling point.

8. **Fuel Efficiency** Compared to modern sportbikes, the CB400T offers decent fuel economy, typically around 50 60 mpg (8 10 L/100 km), depending on riding style.

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#### **Cons**

1. **Age and Wear** The bike is over 40 years old, meaning it may have significant wear on critical components like the engine, transmission, suspension, and frame. Rust, worn bearings, and outdated materials could require extensive repairs.

2. **Outdated Technology** The CB400T lacks modern safety features such as ABS, traction control, or advanced electronics. Riding dynamics and braking performance may not match contemporary standards.

3. **Poor Fuel Economy Compared to Modern Bikes** While better than many modern sportbikes, it still consumes more fuel than modern fuel-injected, turbocharged bikes. Expect to fill up more often than on a modern 400cc bike.

4. **Limited Power and Performance** The CB400T s 392cc air-cooled engine produces around 34 37 horsepower, which is adequate for cruising but lacks the punch of modern 400cc bikes. Acceleration and top speed (around 95 100 mph or 153 161 km/h) are modest by today s standards.

5. **Riding Position and Comfort** The ergonomics of the CB400T are less optimized for long-distance comfort compared to modern bikes. The upright seating position can lead to fatigue on long rides.

6. **Emissions and Legal Restrictions** Depending on your location, older bikes may not meet current emissions standards, potentially requiring modifications or limiting where you can ride.

7. **Parts Availability** While parts are available, some may be harder to find than on newer models. Replacement components (e.g., gaskets, seals, or specific carburetors) might require sourcing from specialty shops or online sellers.

- **Engine wear** (piston rings, crankshaft, or bearings).

- **Transmission issues** (worn synchronizers, clutch wear).

- **Suspension deterioration** (shock absorbers, bushings).

- **Electrical gremlins** (failing lights, switches, or wiring).

- **Frame or fuel tank rust** (common in older bikes exposed to moisture).

9. **Resale Value** Classic bikes like the CB400T hold some value, but it will never appreciate like a rare or highly sought-after model. If you plan to sell later, the depreciation may not be as steep as a modern bike, but it s still a factor.

10. **Lack of Modern Conveniences** Features like digital dashboards, Bluetooth connectivity, or adjustable suspension are absent. You ll rely on analog gauges and manual adjustments.

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### **Ending Conclusion**

The 1981 Honda CB400T with the specified 2nd shaft gear (19T) is a **fun, reliable, and affordable** choice for riders who appreciate classic motorcycles, enjoy DIY maintenance, or are looking for a budget-friendly bike. It excels in simplicity, durability, and nostalgic appeal but falls short in modern performance, safety, and convenience. Whether this bike is the right purchase depends on your priorities:

- **Buy it if:** You value classic design, are comfortable with maintenance, prioritize affordability, and don t need cutting-edge technology. It s ideal for casual riding, track days (with modifications), or as a project bike.

- **Avoid it if:** You require high performance, modern safety features, long-distance comfort, or plan to ride in areas with strict emissions laws. If you re looking for a bike that matches today s standards for power, efficiency, or convenience, a modern 400cc bike may be a better fit.

---

### **Recommendation**

- **Engine condition** (compression, oil leaks, unusual noises).

- **Transmission and clutch** (smooth shifting, no grinding).

- **Suspension and brakes** (proper damping, no leaks, adequate stopping power).

- **Frame and fuel tank** (check for rust or structural damage).

- **Electrical system** (test lights, switches, and ignition).

If the bike passes inspection and you re prepared for potential repairs, the CB400T can be a rewarding ride. However, if you re open to alternatives, consider a **modern 400cc sport-touring bike** (e.g., Honda CB500F, Yamaha MT-07) or a **restored classic** (e.g., a CB750 or GS500) for a balance of nostalgia and modern practicality.

Details:

1981 Honda CB400T main shaft 2nd gear 23431-443-0 19T 23431-443-000.

part #: 23431443000 prices

• $39.99-$105.00

specifications cyclevintagee:

• for models: Cb400t
• for makes: Honda
• for years: 1981
• mpn: 23431-443-000
• part type: Shaft Gear
• machine type: Motorcycle
• manufacturer warranty: No Warranty
• material: Steel
• universal fitment: No
• country of origin: Japan

general cyclevintagee:

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

offer cyclevintagee:

• sold: 0
• quantity: 2
• started: February 9, 2026
• availability: In Stock
• options: Ship-to-home

shipping cyclevintagee:

• carrier: USPS
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• transit: 3-8 Days
• cost: $0.00

seller cyclevintagee:

• # reviews: 737
• rating: 99.0%
• city: Eau Claire, Wisconsin

payments cyclevintagee:

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

returns cyclevintagee:

• policy: No Returns

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