Question about 2004 Yamaha TT-R 225

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I have a Yamaha TTR 225 four stroke that is having engine problems. When trying to start the dirt bike a fine mist of starting fluid must be administered to the carburator or else it will shut off within 10 seconds. I think it maybe a fuel feed problem. Not sure. What do you think the problem is and how can I fix it?

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If it is a fuel delivery problem, I would start by pulling the gas tank, dumping it out then pulling the petcock on the bottom of the tank and clean the pre-filter with compressed air. Next, pull the carb and take it apart - they are fairly simple and you can get into it without needing to buy any parts. It's possible there is just water or other junk in there that needs to be removed. Clean it really well and put it all back together with fresh fuel and a clean air filter and try it again.

It's also a possibility that your engine compression is low. These things need new rings every once in a while. Keep in mind I know nothing about the age or condition of this bike.

Posted on Nov 12, 2009

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co7196
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SOURCE: 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.

Posted on Nov 12, 2009

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How do I tighten the chain on 2004 ttr 225


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 04, 2014 | 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 2006 TTR-250 with nomods and only 200 miles on it. Like another owner, I have problems running except on choke and have seen the pipe glowing red at idle. The bike has always been hard starting. ...


Well the glowing red header pipe and the fact that its hard to start is a pretty good sighn that your VALVES need adjusted.on a four stroke bike you have to adjust the valves about every 6 months to a year( and more often if you run it at high RPMs alot) i have both 2-strokes and 4-strokes bikes and have had this same problem with my 4-strokes(honda&yamaha) if you get a manuel and are somewhat mechanicaly inclined you can adjust them your self but if your not, i would take it in and have it done because if not done properly its easy to bend or break a valve( and i think yours has 4 valves.2-intake and 2-exhaust) And head work is not cheep!!!! but a adjustment on the valves is!!!!! good luck....

Sep 03, 2010 | 2002 Yamaha TT-R 250

1 Answer

Purchased a Yamaha 2003 TTR 225 on Saturday and it ran perfectly. Sunday it started up & cut off and we have not been able to get it started since. We know very little about dirt bikes except the...


Check the spark plug to see if is sparking. Hold the metal threads against the metal cylinder and have a friend kick the engine over. If no spark, use an ohmmeter to check the kill switch on the bars and also the side-stand kill switch if your bike has one. Check the wires for a loose connection or disconnected wire.

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  • The choke, used when the engine is cold. Pull the red knob for choke.
  • The " Hot Start " Lever, used when the engine is hot. Pull the lever to lean the fuel mix when the engine has been running.
  • The de-compression lever, always used.
  • the throttle, used to prime the cylinder, (power valve).
Don't kick, instead, push the kick lever downward. You will feel the back pressure as the piston is going upward on the compression stroke to the point the pressure is great enough that the kick lever "locks up". You are very close to TDC. NOW, pull in the de-compression lever. push the kick lever a little bit more to get the piston past TDC. Now release the de-compression lever. Give the throttle a 1/4 turn then let it snap closed. A diaphragm, (Power valve), in the carb gives a shot of gas when this is done. DO NOT do this multiple times because you will flood the engine. Leave the throttle closed when kicking. A flooded engine will often backfire. Now give a strong kick through the full sweep of the kick start lever. Quickly get your foot off the kick lever at the end of the kick to avoid any chance of "kickback" from the kick lever. This happens in the case of a misfire, aka > backfire. It can be very painful, and can even break a leg. I am serious about that. Repeat the process (but without the throttle priming), for six kicks. After six kicks go ahead and twist the throttle again for a second priming. A good battery, a clean spark plug, a clean carb and clean air filter will also aid in starting. Note that not all carbs have a power valve. When a power valve is not present you should crack the throttle open only 1/8 inch from closed on each kick. Please take a moment and rate my answer. Thanks!


Dec 21, 2009 | 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

Son dumped the ttr 225 and now get nothing from


NOT FOR SURE BUT SOUNDS LIKE MAYBE THE CLUTCH SWITCH COULD BE THE CULPRIT. ALSO CHECK THE SIDE STAND SAFETY SWITCH.

Oct 21, 2009 | 2003 Yamaha TT-R 225

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.

Aug 02, 2009 | 2002 Yamaha TT-R 250

1 Answer

I have a 2004 ttr yamaha 225 dirt bike and theres no spark too p


check stator ac output 1st.check pulse coil next. find cdi box to try next.other possibles- ign coil, try unscrewing plug cap & trimming about 1/4" off coil wire. check spark w/ cap off. finally could be wiring.

Feb 09, 2009 | 2002 Yamaha TT-R 250

4 Answers

Yamaha ttr 90 dirt bike


well i had the same problem with my old ttr 90 it smoked realy bad so i took off the top end an looked at the piston rings an they were fried so i bought a new piston rebuild kit an put it in an changed the oil an it ran like a champ an didnt smoke so thats what i think ur problem is

Oct 11, 2008 | Sport & Outdoor - Others

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