G gohst ryda New Member Jun 21, 2009 #1 i have put on an expansion chamber exhaust on my bike, 69cc and now it idles very very high .
Shadeslay New Member Jun 21, 2009 #2 It should be fine as long as your gaskets good, just adjust the idle down. You'll also want to check your plug and may need to readjust your carb "needle" setting if it's running richer. Which it likely will. Last edited: Jun 21, 2009
It should be fine as long as your gaskets good, just adjust the idle down. You'll also want to check your plug and may need to readjust your carb "needle" setting if it's running richer. Which it likely will.
