Question about Yamaha DT 125 R Motorcycles
Hi I have a Yamaha dt 125r it bump starts but when press the electric start it make a squealing noise I think it's the starter motor but don't no we're about it is on bike if anyone can help that would be brill thanks
Posted by Anonymous on
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Yamaha DT 125 won start
OEM parts for Yamaha
Posted on Mar 11, 2016
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Posted on Jan 02, 2017
SOURCE: Starting problem
You probably need to add water to the battery or the battery is getting weak and needs to be replaced. Water should cover the top of the battery plates. Get a 1 or 2 amp trickle charger and charge the battery for a few hours.
The problem may now go away.
If it continues then put a volt ohm meter on the battery and see what voltage is present when revving the engine. The voltage should be about 2 volts higher than the listed battery voltage, as in 6v now 8v / 12v now 14v.
If not, have the dealer check the stator and rectifier/regulator.
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Posted on Apr 05, 2009
I had the same problem with my 636. It turned out to be just a cable problem. Try to see if all the electric cables work correctly and connected.
Posted on May 11, 2009
SOURCE: yamaha dt 125r power valve
Your barrel? LOL. Sounds like the valves need to be gone through. I would suggest taking and valve train apart and put it back together correctly then go from there.
Posted on Aug 08, 2009
I am having exactly same problem. re starting, battery and fizzz. At the bottom of the carb on bikes left side is s screw. get a glass or old clean jam jar, place the thin tube in jar that comes off the bottom of carb, turn screw. petrol should start flowing into jar. let out about two egg cups full into jar. re tighten screw. hold jar up to light. what you have done is remove any water from the carb. you should see any water floating below the petrol. NEED I SAY DONT SMOKE WHEN DOING THIS . The fizz i cleaned all the contacts of any white deposits around bulb holders in the indicator arms.tightened the wiring conectors. Removed and dcleaned the indicator switch.
Posted on Oct 05, 2009
SOURCE: yamaha xt 125r wont start up
hello, check and see if plug is firing a blue color, if not you may need a stator-pickup coil, i have a 2000 warrior, it is firing, orange and white color, stator neede to be replaced, pickup coil was going out, also check ign coil, these have a problem with getting weak after a while. most likely it is your stator pickup coil, no blue fire from plug, no running the motor. my stator pickup coil was going out. no blue fire from plug, i was told by a yamaha mechanic, no blue fire from plug it will not run, has to be blue, not orange or white looking fire.make sure carb is clean and all jets inside are clean, and air passage ways
Posted on Feb 25, 2010
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