![]() Other spark plugs sharing the same size as the 6R12 include NGK DCPR7E, DCPR7EIX, Champion RA8HC, DENSO IXU22, Autolite 4163, 4164, and Harley-Davidson 6R12. Don’t forget to purchase the 42123 washer seat insert separately. Will the 4212 spark plug thread repair kit work for my bike?Īnswer: Yes, the 4212 kit is suitable for a first-time repair since the Champion 6R12 spark plug corresponds to M12x1.25mm, which matches the kit’s specifications. Question: I own a 1999 Harley Davidson with Champion 6R12 spark plugs. Now, let’s address some frequently asked questions about repairing Harley Davidson spark plug threads: ![]() Although Time Sert does not offer a specific “Big Sert” kit for M12x1.25mm spark plugs, you can utilize the 5212 kit along with the 52121 insert, considering the available material in the head and the fact that Harley plugs are washer seat, which improves the chances of success. However, if you are performing a second-time repair after using an inferior parts store thread kit that caused the hole to become bigger, we recommend the Big Sert kit. In such cases, the Time Sert 4212 kit is the perfect choice. For many Harley Davidson motorcycles, the common size is metric M12x1.25 millimeters. With our approach, you can expect a reliable repair that can withstand extreme conditions.Ĭhoosing the right kit for your Harley Davidson is crucial, starting with identifying the size of the factory spark plug hole. Additionally, we use permanent red high-temperature Loctite to enhance the insert’s stability further. This unique process expands and spreads the bottom of the insert, providing a robust and durable repair solution. These inserts are securely held in place by an installation driver that cold rolls the bottom threads. This method is weak and unreliable, especially considering the expansion and contraction the repair insert needs to endure.Īt DenLors Tools, we exclusively offer Time Sert kits that utilize superior inserts and installation techniques. It is crucial to avoid common mistakes like using Helicoil, which relies on a wedge tool for insert security. Many of these kits fail to withstand the demanding conditions of heat, compression, and vibration, often resulting in spark plug blowouts. We understand the frustration of customers who have previously used ineffective parts store kits for spark plug thread repair. If you need assistance in selecting the appropriate kit, feel free to reach out to us at 80. In this article, we cover the process of repairing Harley Davidson spark plug threads, addressing common questions along the way. When it comes to repairing spark plug threads, DenLors Tools provides top-quality kits that ensure reliable and long-lasting solutions for Harley Davidson motorcycles and other brands. BMW Motorrad, Ducati, Triumph, and KTM are well-known European manufacturers, each with unique characteristics and specialties. European brands such as BMW, Ducati, Triumph, and KTM have a rich heritage, renowned for their craftsmanship and performance. ![]() Japanese bikes are recognized for their reliability, fuel efficiency, and technological advancements. Japanese motorcycle manufacturers like Honda, Yamaha, Kawasaki, and Suzuki have made significant contributions to the industry, with Honda becoming the largest motorcycle manufacturer by 1964. Founded in 1903 in Milwaukee, Wisconsin, Harley Davidson is one of the oldest motorcycle manufacturers globally, known for its iconic V-twin engine design and loyal community of enthusiasts. Motorcycles from different parts of the world, including Harley Davidson, Japanese brands, and European manufacturers, often encounter issues with spark plug threads. Effective Spark Plug Thread Repair for Harley Davidson and Other Motorcycles JTIME-SERT Kits, Uncategorized No Comments ![]()
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