Question about 2003 Yamaha TT-R 225

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My yamaha ttr-225 will not idle when the choke is off even when it is warmed up. There is also a poping noise as if it misses once in a while. I pulled out the spark plug and there is a lot of carbon build up around the base. It runs when it is throttle up. The air filter is clean.

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Clean and adjust or replace spark plug first thing.

Posted on Aug 02, 2009

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2004 yamaha 225 ttr. three timing marks. which is tdc


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 $0 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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Jun 01, 2014 | 2004 Yamaha TT-R 225

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How do you remove choke cable from the carb on a TT-R225?


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 $0 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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May 07, 2014 | 2003 Yamaha TT-R 225

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How fast doses a 225 ttr run


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May 01, 2014 | 2004 Yamaha TT-R 225

1 Answer

04 ttr 225 carb appears to be gummed up. Full throttle is OK but need choke on full to idle and run at slow speeds


Hi, Shall582 and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on the blue links below. Good luck and have a wonderful day.
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Jun 29, 2011 | 2004 Yamaha TT-R 225

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:
1. Throttle cables improperly adjusted, pinched or need lubrication.
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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Jun 21, 2011 | 2002 Yamaha TT-R 225

1 Answer

My 2002 yamaha ttr 225 is running really lean and is really hard to start, and even whenever it does start i have to leave my choke wide open for it to stay running. It runs so lean that my exhaust pipe...


well it is normal for a four strokes exhuast to turn red your not suppose to let them idle for long periods of time. and the running problem is probably the carb i would take it off and clean it before doing anything else could save you money i had the same problem on a yz450f i took the carb off and cleaned it and problem was solved and also run 93 octane gas if your not already

Mar 28, 2011 | 2002 Yamaha TT-R 225

1 Answer

I have a 2003 ttr225 I can get the bike to start with the choke on ihave to let it warm up for an extremly long time before I can push in the choke . once the bike is warm and I hit the throttle hard ,...


Sounds like the idle circuit in the carb is restricted. The engine is running on the choke only. When the engine reaches a certain temp the fuelthat does get is more readily burned allowing you to back off the choke. The choke probsbly can't be completely opened? right? Fuel quality is also something to consider Oil content in fuel affects combustion temps and volatility. _good luck_Ned_



Nov 16, 2010 | 2003 Yamaha TT-R 225

1 Answer

My 2003 ttr yamaha will not idle after it has warmed up


you mean after turning off the choke i assume I would start by cleaning the idle jet in your carb it must be clear to idle off choke

Jan 31, 2010 | 2003 Yamaha TT-R 225

1 Answer

I have a Yamaha TTR 225 4 stroke that is having issues starting


Carba/f ratio needs adjusting and use of the choke will help keep the idle circuits clean.

Nov 12, 2009 | 2003 Yamaha YZ 250

1 Answer

Hard starting of a yamaha ttr 225 after sitting for several weeks. Could starter plunger in the carb be bad?


I had a similar problem with my TTR 125. I removed the carb, removed the float bowl and gave a a careful clean. I also removed the choke plunger mechanism and gave that a few shots of penetrating lube oil. The choke mechanism works much smoother as a result.
Just those two simple things and my bike fired up right away.

Mar 09, 2009 | 2005 Yamaha TT-R 125 L

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