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I am going to purchase mikes xs non vacuum petcocks for my 1979 xs 750 special. what will i have to plug up to switch to non vacuum. any tips or problems anyone has come accross when switching?

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just don't forget to switch them off

 

use the bungs to plug the vacuum barbs where the lines fit over, they are the same used to plug the other vacuum barbs (what you use to balance the carbs)

  • 2 weeks later...
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i installed the petcocks but now the bike wont start. any ideas? ive been looking up info trying to figure out why, it was running but now it wont after the installation. and what happens if you forget to turn them off?

 

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8 hours ago, Brandonk24 said:

i installed the petcocks but now the bike wont start. any ideas? ive been looking up info trying to figure out why, it was running but now it wont after the installation. and what happens if you forget to turn them off?

 

the fuel still flows and if your carb float needle is faulty, it could flood your engine and lock up the pistons.

you'll smell fuel if you you take out a spark plug.

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