Question about 2008 Yamaha TTR230

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TTR 225 engine loses power at high rpm - 2008 Yamaha TTR230

Posted by Anonymous on

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  • Yamaha Master
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Hi, Anonymous and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking check for spark leakage in the dark
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Dirty air filter.
10. Intake air leak.
11. Water, dirt, or rust in the fuel system.
12. Carburetor damaged, contaminated, sticky float, plugged jets.
13. Fuel filter clogged.
14. Old or contaminated fuel.
15. Fuel tank vent system plugged or carb vent line closed off.
16. Gas cap diaphragm valve faulty.
17. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
18. Carburetor controls misadjusted.
19. Incorrect valve timing.
20. Valve springs floating, weak, or broken.
21. Damaged intake or exhaust valve.
22. Incompatible performance parts.
23. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.thumpertalk.com/topic/300734-1999-ttr225-missing-at-high-rpm
Thread Motor losing RPMS
Yamaha ttr230 Service Manual
OEM parts for Yamaha
Yamaha TTR225S Owner Manual

Posted on Feb 01, 2017

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 3567 Answers

SOURCE: 01 ttr 225 smokes alot when start up

Sounds like time for a top end job. New valve guides, ( lap the valves ), new piston and rings and possibly a new bore. Some bikes have nickle coated sleeves and cannot be bored, You can get a new nickle sleeve to replace the old one. Your dealer will be the best person to say if you need a new sleeve or not. Parts are around $275 with a new sleeve.

Your best buddy didn't put a shot of oil in the gas tank did he? Drain the tank and put the gas in your lawn mower. Sorry to be the one with the bad news. At least now ya know what ya gotta do.

Please rate this answer. Thanks gunman_54321 < cool name

Posted on Apr 20, 2009

  • 3567 Answers

SOURCE: will an 2000 ttr 225 wiring harness fit in an 01 ttr 225

Yes, a 2000 harness should fir a 2001.

Posted on Apr 26, 2009

  • 32 Answers

SOURCE: Lost Keys. Need to replace ignition with toggle switch on TTR 225

take your ignition to a good lock smith and he should be able to cut you another if he is any good

Posted on Jul 07, 2009

mxoutlaw
  • 14 Answers

SOURCE: ttr 230 high RPM's looses power sputters / new

lOSE OFF POWER ON TOP END,IS A GOOD INDICATION OF NOT ENOUGH FUEL..TRY AQ BIGGER MAIN JET

Posted on Jul 25, 2009

  • 4088 Answers

SOURCE: 2000 yamaha ttr 225..no powe

Trace the starter wire to the solenoid. Any loose connections? Check the other heavy wire to the solenoid. It should have power present at all times. If no click from the solenoid when the starter button is pressed, check the wiring connections coming from the handlebar. Lastly, look at the starter switch for possible damage from the spill.

Posted on Aug 02, 2009

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Hi, Anonymous for this scenario you will need your service/owners/ manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $ you can download another one. 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

2002 yamaha ttr 225 idles high when let off gas but eventually idles down on its own and hard to start when cold with choke or without


Hi, David and the usual suspects are:
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2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak.
6. Fast idle choke ramp is not releasing.
7. Broken throttle return spring.
8. Damaged diaphragm or slide.
9. Faulty MAP, TPS, ATS, O2, sensors or wiring/connector
10. Multi carburetors not in sync.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links blue below. Good luck and have a wonderful day.
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http://tjsconcepts.com/ttr225/TTR225_Service_Manual.pdf
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I have a Yamaha TTR 225 4 stroke that is having issues starting


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Nov 12, 2009 | 2003 Yamaha YZ 250

1 Answer

2000 yamaha ttr 225..no powe


Trace the starter wire to the solenoid. Any loose connections? Check the other heavy wire to the solenoid. It should have power present at all times. If no click from the solenoid when the starter button is pressed, check the wiring connections coming from the handlebar. Lastly, look at the starter switch for possible damage from the spill.

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1 Answer

Ttr 230 high RPM's looses power sputters / new


lOSE OFF POWER ON TOP END,IS A GOOD INDICATION OF NOT ENOUGH FUEL..TRY AQ BIGGER MAIN JET

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3 Answers

Lost Keys. Need to replace ignition with toggle switch on TTR 225


take your ignition to a good lock smith and he should be able to cut you another if he is any good

Jul 07, 2009 | 2003 Yamaha TT-R 225

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