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Enduro Engine 4 stroke (including EFI & Exhaust) 4 stroke engine, EFI, and exhaust discussion

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Old 12-10-2020, 01:47 AM
kasparsL kasparsL is offline
Join Date: Jun 2018
Posts: 3
Default FSE450 2005 crank case brether

Hello, I hope to get some information from knowledgeable users. crankshaft breathing tube makes strange noises "flushing toilet" when engine is turning, but not when running. And also leaks oin when in high revs. Is there problem with the piston rings?
the bike starts fine, runs great, no knocking noise, only the pressure in case

you can hear the sound when i turn engine and stop. in this video

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Old 12-10-2020, 08:37 PM
Gasser Nate's Avatar
Gasser Nate Gasser Nate is offline
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Join Date: May 2010
Posts: 633

There was a recall/modified breather tube when they were new. I don?t have the info on it anymore though. I would get a leak down test done to see the condition of the rings and go from there.
Back on a gassy! 2018 EC300! 🤘
Txt 280 07 to make me feel like a gumby again
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