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Clear vinyl tubing on vacuum-petcock - bad idea?

  • Thread starter Thread starter WilliamGLX81
  • Start date Start date
It's very supple, yet the tubewall thickness is heavy enough so that it isn't kinked on any of my bikes.

I buy the stuff in 10' lengths from him and cut it to size when I replace the lines on a "new" bike.

Do they have metric sizes? I didn't see any.
 
You want something with some rigidity and stands up to the heat being swept over it from the engine. Plastic vinyl tubing will soften and the sides will most likely suck together and stop vacuum to the petcock.
 
Do they have metric sizes? I didn't see any.

I use the standard sizes he has listed there. I don't recall which one I use for each application. I just bring a petcock in and fit the tubing to each nipple. It's tight to get on and stays put. To remove it, you pull on it pretty firmly, it stretches a bit, then pop! it comes off.

The durometer (softness) of the tubing is probably about a 90 rating, which means it stretches and is flexible, but still stiff enough to resist changing its shape and sliding off the nipple when put under mild stress.

It's far superior to the normal black rubbery stuff that originally came on these bikes, and what Suzuki still sells.
 
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