Saturday, 6 May 2017

Yamaha XT125 will not start , common problems and troubleshooting

 Yamaha XT125 will not start , common problems and troubleshooting


Yamaha XT 125  workshop manual


Spark fuel timing air 

You need all of the above to get the engine to run.

Remove the plug, reconnect it to the HT lead, hold it on the cylinder whilst turning the engine over and you should see a spark.


Whilst plug is out do a compression test. use a decent compression gauge to do the test .


Check fuel is fresh and getting to the carb.


thoroughly clean the carb out 

Check air filter is clean.


check timing spark problem - duff plug, cap, ht lead, coil - CDI , check timing .


Try the obvious first.



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Need parts for you XT 125 try here first 


Yamaha XT125 will not start , common problems and troubleshooting


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