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Anonymous Posted on Jun 21, 2017

Have 1997 yamaha gp1200...starts and idles fine...runs fine for first five minutes then just loses power or shuts off. Wait a couple minutes...starts back up runs great then loses power to idle or shuts off. Checked fuel lines, fuel filter, vent hoses, carbs clean, oil lines zip tied tight, compression good, checked kill switch, disconnected thermoswitch and ran....still does it. Someone mentioned rectifier/regulator and cdi? Any help appreciated!

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Karl Kittsteiner

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  • Posted on Jun 21, 2017
Karl Kittsteiner
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Check the converter on the exhaust they do plug up if on too long

Bill Boyd

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  • Yamaha Master 53,816 Answers
  • Posted on Jun 21, 2017
Bill Boyd
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Indicates that a component in the ignition circuit is overheating internally and failing
could be a coil or cdi unit or any sensors if fitted

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Anonymous

  • 207 Answers
  • Posted on Jul 08, 2009

SOURCE: Ran my Yamaha GP 1200R Out of Gas

you cant clean the carbs out once u take the diaphrams out u just need to replace them get three carb kits from riva yamaha and put kits in them and ill bet you $20 it will run

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Anonymous

  • 207 Answers
  • Posted on Jul 08, 2009

SOURCE: I have a 2002 Yamaha FX140 Waverunner.Fuel problem or electronic?

you have fouled spark plugs change them all fixed all the newq yamaha sare doing it it is the in thing to do

Anonymous

  • 1 Answer
  • Posted on Aug 31, 2009

SOURCE: 1994 Yamaha Waverunner 3 will idle but wont take throttle

Switch to reserve tanke to check to see if there is a clog at the fuel pickup in the tank.
My friend had the same issue with his waverunner 3.

heimlich

David Belcher

  • 1978 Answers
  • Posted on Sep 27, 2011

SOURCE: 1998 yamaha waverunner xl760;just purchased it

Take the carburetors apart and clean them. There is probably water caused white corrosion in the fuel needle assemblies. Once the needles are cleaned the fuel should pump and flow through the carburetors again.

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