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It came to a point when building my '71 BSA A65 that I needed to put the pistons in the jug.I have many ring compressors but none that would fill my need for the BSA. One day it hit me like a ton of bricks. The 3 inch plastic pipe I was using at work would make the perfect ring compressor. And it did! My pistons measured 2.980 inches and the ID of the pipe about 3.030.

I cut 2 slices of plastic pipe 3/4 inch thick.
Then I made a cut in these circles to allow me to spread the plastic pipe over my rings. After both plastic pipe compressors were on the pistons, I just pushed the jug down onto the pistons.

So now all that was left was to remove the plastic pipe.That was real easy and I can use them some other day as well!

Anybody else come up with cheep and easy tools?
 

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Cool Idea! I use an old ring compressor that busted on me...the spring steel sleeve was pretty long, so I just cut it in half to make two...I use heavy zip ties to squeeze the rings in place, slip the cylinders over the pistons then cut the zip ties and pull out the metal bands. I like them better than the real thing...works perfectly every time and fits EVERYTHING I work on. The shop is full of home made tools...not the greatest looking things, but they work well and they cost nothing.
 

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I've used various copper fittings to install wrist-pin clips in pistons for years. Put the clip in the end of the fitting, hold it square against the piston, and push it through. Saves a lot of wear & tear on the thumbs.

For rings, I've been able to use wide-bodied hose clamps on some stuff.
 

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There is a second quick ring clamp and cheap you can use a hose clamp, they take up little space and also come off easy.
Duff
 

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Cool idea. Necessity is the mother of invention. They look longer than 3/4", did I read that right?
 
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