ctraylor Posted March 16, 2009 Share #1 Posted March 16, 2009 I have a quick question. Are the black plastic covers over the valve covers neccessary? I don't see any reason for them being there. Has anyone left these off without any problems? Link to comment Share on other sites More sharing options...
Dano Posted March 16, 2009 Share #2 Posted March 16, 2009 We remove these "air-guides" as well as the "YICS" system at will. The Yics system is the big black tank that goes over top of the front valve cover. They tend to develop leaks and will cause vacuum leaks in the intake system. Remove the tank and hoses and cap off the nipples on the intakes with rubber caps, using the spring clips from the Yics hoses. Good luck, Dan Link to comment Share on other sites More sharing options...
BradT Posted March 17, 2009 Share #3 Posted March 17, 2009 ON my 86 I removed mine to change the plugs could only get one back on so I removed the one that I did get on. Never had a problem. Brad Link to comment Share on other sites More sharing options...
buddy Posted March 17, 2009 Share #4 Posted March 17, 2009 Mine went into file 13 - trash can.... Buddy Link to comment Share on other sites More sharing options...
Condor Posted March 17, 2009 Share #5 Posted March 17, 2009 I don't know about the rest of the years, but on a long day ride in extream heat, the seat on a hot runing '83 will toast your buns without them in. Then again it might be a good thing when there's white stuff on the ground.... Link to comment Share on other sites More sharing options...
BradT Posted March 18, 2009 Share #6 Posted March 18, 2009 I don't know about the rest of the years, but on a long day ride in extream heat, the seat on a hot runing '83 will toast your buns without them in. Then again it might be a good thing when there's white stuff on the ground.... See what I mean does not get hot enough around here so I never them Brad Link to comment Share on other sites More sharing options...
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