High RPMs while at idle
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1974 Primavera
Joined: 16 Aug 2020
Posts: 6
Location: St george ut
Wed Sep 23, 2020 5:17 pm quote
Hey, so I've got a problem where whenever I return to idle after riding around my bike won't return to regular idle. It just goes really fast. I am thinking its an air leak around the carburetor is that about right?
2010 S50 Modified "Punkin"; 2003 ET4 150 "ISO"
Joined: 18 Feb 2017
Posts: 536
Location: Deepinnaharta, Texas
Wed Sep 23, 2020 5:40 pm quote

Yes you can test for an air leak by spraying carb or brake cleaner around the suspected leak and listen for RPM change.
2 matching N.Z. '69 VBC Super, 177cc Racer, VespaCross Bodge, Puch SRA150, Piaggio Zip 100! & others
Joined: 26 May 2013
Posts: 3991
Location: That bushfire place
Thu Sep 24, 2020 7:13 pm quote
Blocked main jet
Rat 2003 Stella 2T; 1979 P125x (in pieces, out for paint)
Joined: 12 Sep 2015
Posts: 255
Location: Madtown
Fri Sep 25, 2020 4:49 am quote
sticking throttle?

But probably an air leak.
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