Question about 2008 Yamaha TTR230
Hi, my TTR 230 does not want to start cold. Push start works easy. replaced battery, cleaned jets. When its running and heated up it starts fine everytime, but tomorow morning same problem. The small jet were clogged so it did not idle, that is now sorted. New fuel is in too. a buddy put some gas on the filter and it started fine. Should I look at choke or ................
Hi, Johanvn 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. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
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.
How to fix my TTR 230 TTR
2006 Yamaha TT R230 cold start issues
Yamaha ttr230 Service Manual
OEM parts for Yamaha
Yamaha ttr230 Service Manual
Posted on Jan 20, 2017
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Posted on Jan 02, 2017
SOURCE: Yamaha 2002 TTr 250
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.
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Posted on Apr 12, 2009
I have the same bike and same problem. Check the intake hose that connects the carb to the motor it may have a crack mine did and lost power when the bike warmed up. They don't make a replacement hose for it so I am using a rubber plumbers coupling with hose clamps. Might work? The hose is inch and a half diameter and about three inches long try that maybe. Good luck If it makes a chirping sound when the bike gets warm it's probably that hose sucking in air and screwingup your mixture.
Posted on May 06, 2010
SOURCE: Hi, I just bought a stock
Piston rings may be sticking after sitting for so long. It may serve you well to remove the top end, paying special attention to the timing alignment as you do. Visually inspect the piston and rings. ensure the rings can move freely in their grooves. Look at the piston for signs of blow-by. A burned up surface of the piston that extends past the rings onto the skirts. You may simply re-ring this machine and it would solve your problem if you view these problems.
Posted on Dec 09, 2010
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