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Canucks Fan
Join Date: Jan 2009
Location: Vancouver B.C. Canada
Posts: 2,216
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Rookie question, burble
Hi
I have a real nice burble when I lift off the throttle on my 87 930, I don't know if its just me or not but it seems to be more of a burble than earlier in the year, is this an indication of an impending wastegate, spring or diaphram failure? Thanks Finn
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From the Deep Dark Jungle |
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09-29-2012, 09:07 AM
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Registered
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You can check your wastage muffler/dump pipe for any exhaust puffs at idle, which might indicate some leaking. I doubt it though, considering you don't mention any boost complaints.
I've found the burble is very related to AFRs. Time of year can matter too (I used to rejet my GSXR twice a year). Lean seems to cause more and almost borderline backfiring. A bad decel valve will definitely kick it up from where it used to be.
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Ken 1986 930 2016 R1200RS |
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09-29-2012, 09:23 AM
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Canucks Fan
Join Date: Jan 2009
Location: Vancouver B.C. Canada
Posts: 2,216
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AFR's ? Whats that?
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From the Deep Dark Jungle |
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09-29-2012, 10:30 AM
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I've gone native
Join Date: Sep 2011
Location: Long Island, NY
Posts: 1,695
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Air fuel ratio
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09-29-2012, 10:53 AM
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911 Turbo
