Re:weird sound after shutdown?
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TOPIC: Re:weird sound after shutdown?
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weird sound after shutdown? 4 Years, 3 Months ago
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when i turn the bike off, sometimes it goes like shooooo cuh cuh. wasssupppwiddat? anybody know? too lean? issue with compression release?
2005 1700roadie midnigh silverado(not eldorado)
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Re:weird sound after shutdown? 4 Years, 3 Months ago
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Just the pistons pushing back down when it stops on partial compression. Normal noise. My XS650, with the 360 degree twin (both pistons rise and fall together) makes a groaning noise when it does it.
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Re:weird sound after shutdown? 4 Years, 3 Months ago
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NORMAL on a Roadstar
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{My Fuel-Injected 08 BAD BOY}
Ride what you Like, But Like what you Ride ~~Dino~~
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blue_star (User)
Platinum Boarder
Posts: 6570
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Re:weird sound after shutdown? 4 Years, 3 Months ago
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Shooo ca ca.  Sounds like what you get when you step in dog crap. 
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Re:weird sound after shutdown? 4 Years, 3 Months ago
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Did the sound resemble something you would hear when turning the burners off on a gas grill?
Mine was making a sound similar to that when I was dialing in my idle and had it a little high.
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Re:weird sound after shutdown? 4 Years, 3 Months ago
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May be a little off on your jetting but nothing to worry about. I would bet you don't have many miles on the bike yet and it tends to go away after you get more miles on the bike. It is caused by the piston not completing the compression stroke and it has unburned gas in the cylinder and exhaust pipe so the piston starts back down from the gas pressure. You can get ba poof sound if the gas vapors light off from the heat in the pipes and cylinder. Lind of like trying to run backwards. 
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Re:weird sound after shutdown? 4 Years, 3 Months ago
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it has 16K miles, it does not always do it, i figured it was just normal. i have stock jets, filter, exhaust. PMS by maxair. i can adjust on the fly with a knob.
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Re:weird sound after shutdown? 4 Years, 2 Months ago
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When mine kicks back on a compression stroke after shut down it engages the one way bearing in the starter clutch and spins the starter backwards for a sec.
Doesn't hurt any thing.
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Re:weird sound after shutdown? 4 Years, 2 Months ago
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BikerRon wrote:
When mine kicks back on a compression stroke after shut down it engages the one way bearing in the starter clutch and spins the starter backwards for a sec.
Doesn't hurt any thing.
Yeah, I think mine does the same thing about 30% of the time....it's actually pretty funny sounding, like a cartoon ricochet sound  It's made for some funny arrivals when taking a break on family road trips: "here comes Mike on the Yamaha roaring in, parks next to Eric's Road King, patutty pattuty, click, putter, putt, put, put, basiiiiiiiiiinnnnnnnggggggggg." "I'm here!!!"
Been doing it for most of my 26,500 miles, so I'm not going to sweat it.
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Re:weird sound after shutdown? 4 Years, 2 Months ago
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Mine has 53K, and it does the starter kick back thing almost every time I shut it down. I have had other bikes that did the same thing, it's no big deal. 
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