Question about 2000 Yamaha TT 600 R

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83 yamaha tt600e no spark

83 yamaha tt600 no spark, need detailed
trouble-shooting concerning testing flywheel pickups and cdi box testing

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The CDI unit on the 83 model (TT600) is located under the fuel tank and suffers from heat
exposure.The solution is to get specialist help to open up the sealed CDI unit and repair/
replace internal connections (which are readily available electronic components)
When you re-install it put some heat shielding material there to protect it and this
will be OK as repair will utilise stronger parts,I think.
Later models have the CDI unit moved to the head-stem area.

(this info from a Non-mechanic who remembers what was done to his TT in Australia, many years
ago)

Posted on Jun 12, 2009

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I WILL TAKE A WILD SHOT AT THIS
MT EXPERIANCE WITH YAMAHAS IS GOING TO MAKE ME SAY CDI IS BAD.

ONE WAY OF QUICKLY CHECKING THIS IS KICK IT ARE TRY TURNING THE ENGINE OVER WITH THE STARTER..NOW IT WILL HAVE TO TURN OVER QUICKLY SO IF THE BATTERY IS DOWN USE THE KICK STARTER.AS YOU ARE DOING THIS TURN THE KILL SWITCH ARE THE BUTTON OFF AND ON IF GIVES YOU A SPARK MOST LIKELY IT'S THE CDI. NOW IT WILL NOT SPARK EVERY TIME WHEN YOU ARE TRYING THIS

**CAUTION** I HAVE SEEN THE PLUGS THAT CONNECT TO THE CDI BE BAD SO DO A CONTNUITY TEST ON THE CONNECTIONS GOING TO THE CDI AND ANY OTHER ELECTRICAL CONNECTION

**CAUATION** BAD SPARK PLUG CAPS YOU CAN ACTUALLY SCREW THE PLUG INTO THE COIL WIRE IT'S SELF.TO TEST THAT

GET A GOOD 12 VOLT TEST LIGHT AND FIRST TEST YOUR FIELDS COMING UP FROM YOUR FLYWHEEL AREA.YOU CAN GET THE LIGHT TO LIGHT UP THEN YOU HAVE YOUR MAIN POWER SUPPLY DELIVERING.NEXT CHECK TO SEE IF YOU ARE GETTING 12 VOLTS TO YOUR COIL.MAKE SURE YOUR BATTERY IS IN GOOD SHAPE ALSO.

NOW TO TEST THE COIL I CAN NOT GO INTO HOW TO BENCH TEST IT NOW.THE FIRST THING IS TO LOOK VERY GOOD TO SEE IF ANY OIL IS LEAKING FROM IT.LOOK GOOD IT WILL BE VERY LIGHT.IF SO YOU WILL END UP HAVING TO REPLACE IT.HOWEVER YOU MAY STILL BE ABLE TO GET A LITTLE SPARK TO THE PLUG.

REMEBER IT SHOULD MAKE A GOOD SNAPING SOUND AND A BLUE ARC.,ORANGE ARE REDISH WILL NOT DUE.

HOPE THIS HELPS CONTACT ME IF YOU NEED MORE HELP

ELLIOT NEACE

Posted on Feb 26, 2009

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