Question about 2008 Yamaha TTR230
Posted by Anonymous on
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.
Thread Motor losing RPMS
Yamaha ttr230 Service Manual
OEM parts for Yamaha
Yamaha TTR225S Owner Manual
Posted on Feb 01, 2017
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Posted on Jan 02, 2017
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
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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