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RiverDrive
Joined: 19 Aug 2004
Posts: 80
Location: Philadelphia PA. US
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 Posted: Thu Jun 09, 2005 7:49 am Post subject: Am I rich? |
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My Sport Cup is doing a lot of "snap crackle & popping" when engine braking. Am I running rich? If so how do I adjust the mixture?
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01 Sport Cup
"Quality is the parent, the source of all subjects and objects." - Robert Pirsig |
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Nobog
Joined: 10 Nov 2003
Posts: 40
Location: Minnesota, USA
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| Posted: Thu Jun 09, 2005 9:01 am Post subject: pop |
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| My Tour will backfire about once every 500 miles when off the gas and coasting, otherwise runs perfect. It rather startles me as it is so seldom. JK, reason? good question... |
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phlat65
Moderator
Joined: 13 Nov 2003
Posts: 703
Location: Seattle
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| Posted: Thu Jun 09, 2005 9:22 am Post subject: |
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sounds like the carb deff needs some jetting, or there maybe some debris in the idle circuit. did you put on a pipe with no jetting changes? it is best to get a jet kit than try to set up yourself. not very adjustable carb..
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2001 MZ Black Panther
2001 Suzuki RM125 (full Enduro)
Old Hondas- TT500 Ascott, 305 Dream Touring |
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RiverDrive
Joined: 19 Aug 2004
Posts: 80
Location: Philadelphia PA. US
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| Posted: Thu Jun 09, 2005 10:41 am Post subject: |
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Yes I did put an M4 can on the bike last fall with no jetting changes. It ran great all winter. Just recently the weather heated up above 90F and I thought maybe the change in air density had something to do with it. The idle speed also dropped and had to adjust it.
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01 Sport Cup
"Quality is the parent, the source of all subjects and objects." - Robert Pirsig |
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cdfisher
MZ Dealer
Joined: 06 Feb 2005
Posts: 53
Location: Independence MO
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| Posted: Thu Jun 09, 2005 1:34 pm Post subject: Lean |
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Sometimes backfiring can indicate a lean condition. Call Dan at the number below and he will discuss what you could do. Tell him you're from the MZRiders forum.
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Curtis Fisher
President
MidAmerica PowerSports Plus
816.777.1785
www.mapsp.com |
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RiverDrive
Joined: 19 Aug 2004
Posts: 80
Location: Philadelphia PA. US
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| Posted: Fri Jun 10, 2005 8:12 am Post subject: |
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Thanks Curtis
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01 Sport Cup
"Quality is the parent, the source of all subjects and objects." - Robert Pirsig |
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