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Why yamaha dt200r starts but high revs wont turn off until I starv it of fuel

Why does my Yamaha start but rev to maximum then wont stop when kill switch is engaged and key off only stops when I kill the fuel to it hard to start aswell it has new piston re board barrel new con rod new spark plug pre mix 40:1 ratio

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  • Motorcycles Master
  • 2,503 Answers

Slide in carb is in wrong.

Posted on Jul 01, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 3567 Answers

SOURCE: I have a Yamaha Riva 50cc. It starts and idles but

Remove and clean the carburetor. That will probably fix the problem.

Please rate this solution. Thanks!

Posted on Apr 02, 2009

  • 3567 Answers

SOURCE: yamaha blaster runs but wont rev

ALWAYS have a fire extinguisher on hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb.
Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

849880b.gif Please rate this solution. Thanks!

Posted on Jun 21, 2009

  • 27 Answers

SOURCE: very hard to start 1991 yamaha fzr 600,

Check the choke to make sure its operating correctly.

Posted on Jul 27, 2009

  • 33 Answers

SOURCE: banshee wont rev

Usually related to TORS, specifically the safety switch in the clutch/park brake assembly. If it's defective the engine won't rev. Solution: look for a TORS removal kit.

Posted on Aug 21, 2009

Benimur
  • 6966 Answers

SOURCE: have a 250cc yamaha virago its been standing for a

Hi and welcome to FixYa,

Almost always, your described problem indicates clogged idling jets. Stale fuel causes varnish like coating which must be removed. This then calls for a carb pulldown, disassembly and soaking non-rubber parts in carb cleaner. In the exploded carb diagram below, the idle (pilot) jet would be # 20.

467dae4.jpg

Good luck and thank you for asking FixYa.

Posted on Nov 17, 2009

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1 Answer

Why doesyamaha dt200r start but not stop 1993 model dt200r


sounds like slide in carb is stuck open could possibly be in backwards if ignition switch is wired correct it should kill engine

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Hi, Anonymous and the usual suspects are:
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3. Faulty power valve, solenoid or installation.
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For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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My tzr 3ma wont rev over 7000 rpm


Hi, Kevin and the usual suspects are:
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2. Faulty regulator/rectifier or high output coil.
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5. Cracked or incorrect float level.
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Have a 2003 yamaha v star classic 1100. After about 10 miles when stopping at a light the revs go high until the bike comes to a complete stop.After stopping the revs drop to normal.Another thing I noticed...


Hi, Eugene_imric and the usual suspects are:
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2. Idle adjusting screw needs to be backed off.
3. Intake system air leak.
4. Fast idle choke ramp is not releasing.
5. Broken throttle return spring.
6. Damaged diaphragm or slide.
7. Faulty MAP, TPS, ATS, O2, VSS sensors or wiring/connector
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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1 Answer

Pw50 starts but as soon as you throttle it dies out as if it is starved off fuel or overchoking. can any one help me please .thanks


Just checking you realize they have a start and a run position on the kill switch. They will not rev while in the start position.

They also need a standard air filter element for the carb to work properley

Jul 07, 2010 | 2003 Yamaha YZ 125

1 Answer

02 yamaha vstar 1100, ran fine. started it the


Sounds like it may be drawing air around the intake somewhere. Let it idle and spray around carefully with wd-40 until it speeds up. This will reveal the leak.

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3 Answers

Yamaha blaster runs but wont rev


ALWAYS have a fire extinguisher on hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb.
Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

849880b.gif Please rate this solution. Thanks!

Jun 21, 2009 | 2003 Yamaha YZ 250

1 Answer

94 yamaha xj 600 want rev over 6000 rpm


hi m8,,1st,, would u no if the bike has been resricted ,,to 33bhp,,if it hasent2nd,, have a look at the spark plugs,, start her up rev until it coffs or wont rev then hit the kill switch,,see wot colour the plugs are ,,they should a biscuit brown,,if not clean them up or change them,, 3rd test,start her up again throttle it a few times ,,untill shez warm,, then ,this sounds not nice, but either spit on your hand or dip hand in sum water, then quickly touch each exhaust down pipe, and make sure there isnt a pipe cooler than the other 3,, if u do find there is that would narrow the test down to that cylinder thats playin up,,try that 1st m8,, then come back if any probs still, and il take u threw next steps,,

Apr 19, 2009 | 1994 Yamaha XJ 600 Diversion S

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