Paraquat
Serious Thumper
Offline
SuzukiSavage.com Rocks!
Posts: 2206
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I have 4 ports like that on the throttle body for my car. The rubber caps deteriorate within a year. They do make silicone caps. Even then I will goob in the inside with black RTV and then smash it on. On my car, which is boosted, I will put a zip tie on it afterwards. On the bike I did not as there is no positive pressure in there.
--Steve
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