Question about 2002 Yamaha TT-R 250

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2000 ttr 250. starting problems

With choke on, engine starts for 5 seconds and dies. i do this 20-25 times and then it runs great. what do i do?

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I u replaced your fuel filter could be clogged or dirty

Posted on Nov 11, 2008

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07 ttr 125 cranks but will not start right up when it does it will not take gas it dies and you have to turn key off and back on before it will start back it will idle for a few seconds and die again over...


I have two ttr 125's and my son has another, all 05's but i ran into this with a friends 02 as well. All ttr 125's are cold blooded bikes to say the least. the cold starting procedure that works is to first lean the bike over to the left till it dribbles a little gas on the floor. hit the electric start for a few seconds only, wait 20 to 30 seconds and do it again. holding the starter button down and cranking will do nothing but flood the bike out. short busts only, dont give it any gas ever, this will also do nothing. first it will start for a brief moment then die, hit the button for about 3 to 4 revelutions and wait, the next time it will start again, most likely only for a few seconds again, repeat this and each time it will run a little longer till it keeps running on it own. the best way to get your ttr to start easier is to cut the top of the airbox off, this will give the bike more power (youll see why when you look at the tiny opening) and allow you to spray starting fluid under the back of the seat right into the airbox. it makes starting a cold bike 5 times faster. usually only 2 repeats of the starting procedure.

Feb 22, 2011 | 2002 Yamaha TT-R 125 L

1 Answer

Yamaha ttr 125 will start and run great with choke on. As soon as choke is off bike dies. I cleaned the carburator with no luck. I have read several reviews describing the same problem, will rejetting...


Check the intake for leaks.
Get it running and spray a little carb cleaner around the intake to see if the RPM's change.
If they do then you have an intake leak.
The jets may be clogged up but I do not think you need to increase the size at all

Feb 19, 2011 | 2005 Yamaha TT-R 125 L

2 Answers

Hi, i have a ttr 250 1999 model, its blowing smoke, but my piston and rings are fine. what do you think it could be


A malfunctioning carburetor (running too rich) , will blow white smoke. I would start by checking the choke plunger, the seal could be leaking fuel. The plastic cap that holds the plunger on could be cracked and not holding the plunger in all the way. If you have re jetted the carburetor, perhaps the jet is too big. Your air filter could be plugged with dirt. All these things could cause a rich condition that would cause white smoke.

Sep 12, 2010 | Yamaha TT-R 250 Motorcycles

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

2 Answers

Yamaha ttr 90 jet pilot should it be open end to


The pilot should be open. This is to say that if you look through it at a light you should be able to see through it.
I suggest blowing it out with compressed air as well as the hole it fits in. While your at it give all the jets a blow out.
once you've put it back together I also suggest you fit an in-line fuel filter.
This will help to keep the dirt out and save you having ths same problem again
Hope this helps
Regards Andrew Porrelli

Dec 08, 2009 | 2004 Yamaha TT-R 125 E

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

Last time I STARTED MY VSTAR 1100 I CHOKED IT FOR 10 SECONDS ON HIGH THEN MOVED TO MEDIUM CHOKE FOR 4 THEN TOOK OFF AT NO CHOKE. 2 WEEKS LATER. I started up bike Choke on high bike barely wanted to idle...


Sounds like your flooding it out with the choke out. Try the next time you go to start the bike when it's cold with the choke out and when it starts push the choke all the way in and keep it running with the throtle. If it runs better after doing this then your flooding it on start up. Use 1/2 choke to start cold and see what it does. Good Luck

Sep 29, 2009 | 2001 Yamaha V Star Classic

2 Answers

Carb


make sure the air filter is clean if it is then take your carb off and clen out your main jet large brass jet in center of the bottom of the carb if that does not fix it adjust your air screw on side of carb brass flat head screw turn right until tight lightly not to hard just enough till it feels snug then start at one turn left and rev 2-3 times then go a 1/4 turn left at a time till the bike revs and runs well good luck

Jun 28, 2009 | 2002 Yamaha TT-R 250

1 Answer

99 CBR will start but wont run


did you check the fuel filter and fuel supply?

Jun 14, 2009 | 2001 Yamaha V Star 1100 Classic

1 Answer

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

Apr 12, 2009 | 2002 Yamaha TT-R 250

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