Sight glass tube on oil tank

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Sight glass tube on oil tank


Post by wantapanrealbad » Wed Jan 09, 2008 3:56 am


Forgive me if this topic has already come up, I did a serach but did not find it..

In some of the old Panhead pictures I have studied I noticed a "fill level tube" on the outside of the oil tank. I am guessing it was an aftermarket install or maybe the whole tank was aftermarket. In any event they look pretty cool and I imagine quite functional as well. Does anyone know anything about these?



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oil sight glass


Post by 59pan » Wed Jan 09, 2008 10:10 pm

the sightglasses were sold by HD and were in the accessory catalogs of the day. I finally found a nos piece that even has the instructions in the original hd box. I spent quite a bit for it just because you rarely see one and because i too thought they were way cool. when i received it i couldnt bear to install it so i just made one in my shop.

Anyway I can measure the exact dimensions if you want to make one of your own but they were made of lucite or some other hard plastic and have a tube down the center to register the oil level. nothing more than gravity feed through the bolt hole. it is mounted to the tank by a D shaped bolt that is secured by o rings and acorns.

I fabricated mine from glass tubing and brass bar stock. Let me know if you have any more questions. Ron

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Post by Kurt » Wed Jan 09, 2008 11:07 pm

59pan, can you post any pix?



Post by Guest » Wed Mar 05, 2008 4:02 am

one of these in nos condition was posted on ebay today. search panhead sight gauge.

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Post by panhead » Wed Mar 05, 2008 8:01 am

Here is a pic:
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