V-TWIN MANUFACTURING 18-3645 Weld Clutch Starter Ring Gear

( Brand: V-twin Manufacturing ), ( Country Of Origin: Taiwan ), ( Item Height: 0.50 ), ( Item Length: 9.25 ), ( Item Weight: 1.30 ), ( Item Width: 9.00 ), ( Manufacturer Part Number: 18-3645 ), ( Type: Starter Ring Gear )

Review V TWIN MANUFACTURING Weld on Tooth Clutch Starter Ring Gear fits 1978

Introducing the V-Twin 18-3645 Weld-On 78 Clutch Starter Ring Gear, an essential component for any V-Twin engine that requires a weld-on clutch starter setup. This high-performance ring gear is meticulously engineered to deliver exceptional clutch engagement and reliable starting performance.

The V-Twin 18-3645 Ring Gear is manufactured using premium 6061-T6 aluminum alloy, ensuring both strength and lightweight properties. Its 78-tooth design is specifically engineered to provide optimal clutch engagement and torque transfer, making it an excellent choice for high-performance applications.

The tooth profile of this ring gear is precision-machined using advanced CNC technology to ensure consistent tooth depth and uniform tooth contact, reducing wear and tear and ensuring smooth operation. The gear's tooth edges are also chamfered and radiused to minimize stress concentrations and reduce the risk of tooth cracking.

This ring gear comes in a weld-on design, allowing for easy installation onto your engine's crankshaft. The mounting surface is carefully machined to ensure a perfect fit and a secure weld joint. The gear's outer diameter is 5.12 inches (130 mm), making it a standard fit for many V-Twin engines.

The V-Twin 18-3645 Weld-On 78 Clutch Starter Ring Gear is designed to be used with a clutch starter system, which utilizes the engine's flywheel to turn the starter motor. This design eliminates the need for a separate starter motor drive gear, simplifying the engine's drivetrain and reducing overall weight.

In conclusion, the V-Twin 18-3645 Weld-On 78 Clutch Starter Ring Gear is an ideal solution for any V-Twin engine that requires a high-performance weld-on clutch starter setup. Its precise tooth design, premium materials, and robust construction make it a reliable and durable addition to your engine, ensuring smooth clutch engagement and reliable starting performance.

A V-twin 18-3645 Weld-on 78 clutch starter ring gear is a crucial component of an internal combustion engine, responsible for transmitting the torque from the engine to the clutch and ultimately to the transmission. Here are some potential pros and cons of purchasing this part.

1. Improved Performance: A new ring gear can help improve engine performance by ensuring a better connection between the engine and the transmission.

2. Increased Efficiency: A worn-out or damaged ring gear can lead to power loss and decreased fuel efficiency. Replacing it with a new one can help improve the engine's overall efficiency.

3. Enhanced Durability: A new ring gear can provide better durability and longevity compared to a worn-out or damaged one.

4. Reduced Noise: A worn-out ring gear can cause unwanted engine noise. Replacing it with a new one can help reduce engine noise and improve the overall riding experience.

1. Cost: Replacing a ring gear can be an expensive repair, especially if it's not a common failure point for the engine.

2. Installation Complexity: Installing a weld-on ring gear requires welding skills and specialized tools, which can add to the overall cost and complexity of the repair.

3. Potential for Damage: The installation process can be risky, and there's a chance that the engine or transmission could be damaged during the installation process.

4. Availability: Finding a new ring gear for an older or less common engine model can be challenging, and it may require sourcing it from aftermarket suppliers or specialized shops.

A V-twin 18-3645 Weld-on 78 clutch starter ring gear is a critical component of an internal combustion engine, and replacing it can provide significant performance and efficiency improvements. However, the cost and installation complexity can be significant drawbacks. If the engine is experiencing clutch slippage, excessive noise, or other related issues, replacing the ring gear may be a necessary repair. It's essential to weigh the benefits against the costs and consider alternative solutions, such as rebuilding the transmission or upgrading to a stronger clutch system.

Before purchasing a new ring gear, it's essential to assess the overall condition of the engine and transmission. If the engine is in good condition and the ring gear is the only issue, replacing it may be the best solution. However, if there are other underlying issues, it may be worth considering alternative solutions, such as rebuilding the transmission or upgrading the clutch system. It's also recommended to source the ring gear from a reputable supplier and to ensure that the installation is performed by a qualified and experienced mechanic to minimize the risk of damage to the engine or transmission.

part # 183645 prices

• $40.72-$57.99

specifications ignitioncompo:

• for years: 1978
• brand: V-twin Manufacturing
• country of origin: Taiwan
• item height: 0.50
• item length: 9.25
• item weight: 1.30
• item width: 9.00
• manufacturer part number: 18-3645
• type: Starter Ring Gear

seller ignitioncompo:

• # reviews: 109352
• rating: 99.9%

offer ignitioncompo:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: March 13, 2026
• sold: 0

shipping ignitioncompo:

• class: Standard
• transit: 3-4 Days
• type: Fixed
• service: Standard
• cost: $7.99

payments ignitioncompo:

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

returns ignitioncompo:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

general ignitioncompo:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
• condition: New

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