Honda CX 500 Forum banner

air dam

  1. Do i need my engine "air dam"?

    Technical Help Forum
    The rubber air dam on my engine is pretty degraded. I've seen the post by CSmith80CX on how to reconstruct it but I have also seen quite a few CX500 builds where the air dam was just completely removed. What is the actual purpose of this rubber and will I run in to any issues by just...
  2. Runs good until highway speeds (70+ mph)

    Technical Help Forum
    My 1980 CX500D starts right up, idles and is running (relatively) good on surface streets through all gears and RPM's, but when I get it on the highway and am holding 70mph+ for more than a few minutes it will suddenly start bogging and sounding like one cylinder is coming in and out. If I pull...