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Yamaha tri z 250 runs backwards

When you start the bike it will go forwards then it makes a loud popping noise like a backfire and then it goes backwards, and the oil goes everywhere? What is the cause of this happening

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: 1997 yamaha yzf 600r electrical problems

a jump box is nothing more then a battery with leads on it so where are you connecting it verses the new battery you put in the bike. that doesn't make since unless you are connecting the box right to the starter motor then it be constently running the motor untill you unhooked it. check all your fuses and examine all wire harnesses for damage, burns, or any mellting.

Posted on Dec 17, 2008

cape cod bob
  • 292 Answers

SOURCE: 1999 Yamaha Vstar 650 Custom ...makes clicking noise when trned

i use a jump box on mine most weekends when i wanna take it out, i hook the red to battery and black onto my exhaust and it fires right up no problem. is the clicking noise coming from the fuel pump behind the ignition? it should click for a few seconds then stop. if it stays on then you are not getting enough fuel outta the tank, change the fuel filter and if bike had been stored for winter get a good fuel system cleaner, additive type. if in USA get Berrymans B12, double dose get bike to run hopefully let it stand overnight and all should be fine. fingers crossed. if is is clicking from somewhere else like starter or a relay by the battery, check all the ground terminals you can find
http://www.carlsalter.com/aaman/Yamaha_VSTAR_650_MAIN_MAN.pdf
thats a link for a free pdf service manual
5bead5b.jpg my 99 v star

Posted on Apr 04, 2009

BearWeb
  • 357 Answers

SOURCE: Yamaha 2002 TTr 250

Hi hoeygatt

Look around your bike near where the throttle cable meets the engine, when you pull the throttle, the cable pulls a quarter circle piece of metal which is connected to a spring, then connected to that should be a screw, that is the idle screw, turn it very slightly, usually clockwise to make the idle higher, and this should sort out the problem.

Please remember to rate this solution as FixYa!

Kind regards
BearWeb

Posted on Apr 12, 2009

  • 202 Answers

SOURCE: Bike is backfiring through carb.

do u have the correct spark plug the one recommended by the manufacturer

Posted on Aug 02, 2009

  • 1 Answer

SOURCE: dirt bike thats hard to start..

needle and seat are worn out in carb, to much fuel is flooding cylinder. remove carb, clean, get new needle and seat, set float. problem goes away. pull your plug after kicking. its probably wet.
When you push, or pull start you evacuate excessive fuel, when engine is warm, easier to start extra fuel burns easier.

Posted on Jan 15, 2010

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