fits model: Fl. make: Harley.

( Brand: Harley-davidson ), ( Type: Starter Motor ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( UPC: 315037011039 )
The Harley-Davidson 31503-70 11039 Fl/FX Starter Shaft Collar with Retainer for SRV/SRVCA (Shovelhead) engines is an essential component for ensuring the proper operation of your motorcycle's electrical starting system. This collar is specifically designed for Harley-Davidson Flathead and Evolution engines, more specifically those with SRV and SRVCA series starters, fitted between model years 1966 and 1985.
The starter shaft collar functions as a critical intermediary, securing the connection between the engine crankshaft and the starter drive, while accommodating the use of the engine's retainer. The collar's durable construction is made to withstand the rigors of continuous use in a motorcycle environment, ensuring longevity and reliability.
Engineered with precision, the collar's external diameter measures 1.677 inches (42.585 cm) to facilitate an accurate and secure fit onto the crankshaft. Its internal diameter accommodates the starter drive with a dimension of 1.362 inches (34.6 cm). Consequently, it allows the transmission of torque from the starter motor to the engine, initiating the process of starting the motorcycle.
Material selection is another crucial aspect of the Harley-Davidson 31503-70 11039 starter shaft collar. Manufactured from high-quality material, it guarantees robustness under heavy loads and resilience against temperatures encountered in motorcycle applications. Its finish is carefully designed to present an aesthetically pleasing look while ensuring surface protection against the destructive effects of environmental elements.
This replacement part is ideal for motorcycle enthusiasts who wish to restore their classic or vintage Harley-Davidson models to their original glory, or for those who continuously use their motorcycles and require an interchangeable part for regular maintenance or accidental damage. By including this starter shaft collar in your tools, you are making a wise investment in your motorcycle's performance and operational integrity.
The Harley-Davidson 31503-70 11039 starter shaft collar is an essential component for the repair and maintenance of Harley-Davidson Shovelhead engines. Replacing a worn-out or damaged collar may be necessary for smooth engine operation. In this article, we'll discuss the pros and cons of buying this specific part for your Harley-Davidson engine.
pros:1. Improved engine performance: A new collar ensures a secure fit and proper function of the starter shaft, which can lead to enhanced engine performance and reliability.
2. OEM (Original Equipment Manufacturer) part: Buying a genuine OEM part guarantees a perfect fit and compatibility with your engine and eliminates the risk of potential issues that may arise from aftermarket parts.
3. Smoother operation: With a new starter shaft collar in place, you'll likely experience smoother engine starts and operation, as the part ensures firm contact between the starter shaft and engine, reducing excess play.
cons:1. Cost: Harley-Davidson OEM parts like the 31503-70 11039 can be pricier compared to aftermarket alternatives, but their durability and reliability may offset the initial expense in the long run.
2. Installation complexities: Installing the starter shaft collar can be a challenging process, as removing and replacing the engine lift covers and crankshaft position sensor can be time-consuming and require patience, skills, and appropriate tools.
3. Longer shipping times: As a Harley-Davidson OEM part, it may take longer to receive the starter shaft collar through standard shipping methods due to the manufacturer's production and delivery process.
conclusion:In conclusion, the Harley-Davidson 31503-70 11039 starter shaft collar is a worthwhile investment for maintaining your Shovelhead engine's performance and reliability. Although it comes with a higher price tag and a more involved installation process, an OEM part ensures the best fit, compatibility, and durability for your motorcycle.
recommendation:If you're in need of a new starter shaft collar for your Harley-Davidson Shovelhead engine, consider purchasing the genuine OEM part 31503-70 11039. While it may require a bit more time and money upfront, its superior reliability and compatibility will provide long-lasting benefits for your vehicle. Make sure to have the appropriate tools and follow the correct installation procedures for a successful replacement.
FLFX shovelhead 70-85 start shaft gear collor retain ring. Good used just clean.