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 Interesting Symptoms on Guzzitech Post

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Bill Hagan
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PostSubject: Interesting Symptoms on Guzzitech Post   Sat May 13, 2017 6:09 am

Fellow in UK picked up '09 from dealer after service.

"Suddenly there was a hammering sound from the engine, as if a midget was forging a sword, and the engine started moving very violently from left to right as if the cylinders went into overdrive. The RPM's went up and down at random a couple of times, and shifting didn't really have an effect on my RPM's or speed.

****

After getting off from the bike I noticed the exhaust was smoking like crazy, with thick white smoke. I made a short video on my phone, but it doesn't show well on it. The smoke was about 3 times as impressive as it looks like on the video:

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The exhaust kept smoking for a good 7-10 minutes, with a very strong smell of chemicals or burning plastic."

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Bill
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pauldaytona
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PostSubject: Re: Interesting Symptoms on Guzzitech Post   Sat May 13, 2017 12:45 pm

Could be sparkplug broken
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Steak
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PostSubject: Re: Interesting Symptoms on Guzzitech Post   Sat May 13, 2017 1:03 pm

Yeah, it sounds exactly like the broken boot problem...  Spark is arcing to the valve cover.

New set of NGK boots will have it right as rain.

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2012 MOTO GUZZI GRiSO 1200SE

2013 MOTO GUZZI STELVIO 1200NTX - Orange Blossom Special
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Pete Roper
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PostSubject: Re: Interesting Symptoms on Guzzitech Post   Sat May 13, 2017 3:25 pm

Exactly. The smell is the catcon burning up.
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