How Do You Repair Missing Threads On A Motorcycle Engine
https://rodsshop.org/get/cms-motorcycle-parts/
Motorcycles always seem to take abuse, and usually it is the engine crankcase that takes the brunt. In this video, I am working on a Honda CT70 that the bottom thread for the side cover has been busted off. It was caused by the drive chain jumping off and bunching up behind the side cover. This broke the side cover and broke the ear with the threads off. Watch how I repaired missing threads.
https://rodsshop.org/get/cms-motorcycle-parts/
It is common on motorcycles for the threads to be stripped out. In that situation, repairing the threads with a "Helicoil Thread repair kit is common. But if the aluminum has been busted away, a thread repair kit will not help.
You will see in this video, how I used an aluminum threaded rivet and put it in the place of the missing threads. I used a MIG Welder to spot the rivet in place, but I explain that you can use an epoxy like J.B. Weld instead. If the hole that you need to fix isn't required to hold a lot of stress, epoxies will work just fine.
Here is a list of tools and material I used to make this repair in this video:
Carbide Rasp Set-5pcs - https://amzn.to/2OhpCeO
Die Grinder - https://amzn.to/3sV0fOG
Aluminum Brazing Rods - https://amzn.to/3cifzyp
Propane Torch Kit - https://amzn.to/2PH4UFD
Oxygen MAPP Torch Kit - https://amzn.to/3v3OA1T
Eastwood MIG 135 Welder - https://amzn.to/3boVwPn
Aluminum Welding Wire - https://amzn.to/3qxijge
Aluminum Alloy Rivet Assortment - https://amzn.to/3ruiYjW
J-B Weld 8265S Reinforced Epoxy - https://amzn.to/2O5OBC5
For more tools for this type of work - https://rodsshop.org/automotive-resources/
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Check out my related videos:
Honda 70 Not Getting Spark - https://youtu.be/oRQr-GGoZQ4
Honda Mini Trail Automatic Clutch Adjustment - https://youtu.be/mq6JEw7WULU
How To Replace Brakes On A Honda 70 - https://youtu.be/d6JAGWF3uqI
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