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Motor just went south #11528973 04/08/16 10:12 AM
Joined: Mar 2009
Posts: 1,699
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marschall Offline OP
Extreme Angler
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Joined: Mar 2009
Posts: 1,699
Took the pontoon in yesterday to have the carbs cleaned , and they called and it was 2 burnet pistons !
Been a good motor - 2000 Yamaha 50 - for 8 years , and have not had to do a thing to it. The bad part is that they said because of this time of the year they are looking at a 6 week turn a round. Oh well , I am putting it back in the slip , and will wait till the 1st of September to have it rebuilt. $2100.00 to boot. At least I have my Cajun bass boat as a stand by


May your wiener schnitzel always stay above your lederhosein.
Re: Motor just went south [Re: marschall] #11529187 04/08/16 01:52 PM
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Bob Landry Offline
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The usual cause of burned pistons is a lean gas/air mixture. I'm betting that motor started exhibiting a lean sneeze a long time back and wasn't addresses at the time.


2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2020 Robalo R200 CC, Yamaha 150

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Re: Motor just went south [Re: marschall] #11530931 04/09/16 01:07 PM
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Muzzlebrake Offline
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A too lean mixture probably means it wasn't getting sufficient oil thru the motor as well. Assuming it is a 2 stroke. Not enough oil can damage a lot of things. You will be lucky if it is only the rings/pistons.


From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."

Then He made the earth round...and He laughed and laughed and laughed!

Re: Motor just went south [Re: marschall] #11531384 04/09/16 08:55 PM
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T Bird Offline
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Make sure they troubleshoot/isolate the cause of the burnt pistons.


Okie by birth, Texan by choice.
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