6.16.2026

Project Odd Duc: The Oil Pipeline

 One of the ugliest spots on my bike are the oil cooler lines.  They aren't the only rusty spot, but the most visible, sticking out like a sore thumb.  Last year, maybe the year before, I got a set of new old ones from eBay and intended to swap them out with the next oil change.  But, there they sat on my messy work bench, stuffed in a box with other Duc odds and ends.  

Recently, I started cleaning up my work space and bought a second tool box so I could fully separate all my SAE and Metric tools.  The Metric went into my fancy new box, and the barely used SAE and specialty tools stayed in the old Craftsman. I still need to address the other cabinet, but those drawers are overflowing, so a larger one is the only fix. While cleaning up the rest of the clutter, I found the oil cooler lines and decided now was the time. 


Soooo much better!

After a general application of PB Blaster and some soak time, the old ones came off without issue. However, the vibration dampeners tore apart when I tried to remove the cooler side connections.  Luckily, I found a set on Amazon and they should be here any day.  I ordered 2 sets so I could keep a spare. With older bikes, that's generally a good idea.   Sometimes, it's the only option, like when I had to order the vacuum port o-rings for the Hurricane. I got them from a manufacturer and could only get them in a large quantity. 



Oil loss was about 4oz not counting what soaked into the headers.



Much better!

There is plenty of other rust to tackle, like the crusty header pipes but that's off season work, along with those pesky leaking head o-rings. Maybe I'll add another bike to the garage this year, so the Duc can be down for extended service and clean up? 


Stay safe out there!

No comments: