Questions & Answers for: spark plug 2004 yz125

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...spark, has fuel, grey gearbox oil so changed crank seals, new top end, clean carb, new plug, won't start help what is the best two stroke and gearbox oil to use in a yz125/2004.. and what is the best ...

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...spark so i got a new plug and it still has no spark.....thanks it could be any one of these things.... the pick up from your rotor/flywheel could be crapped up or not close enough to your ...

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...Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders. 13. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors ...

...Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose. 6. Faulty ignition coil or electronic control module or CDI box. 7. Faulty CKP, CMP, or BAS sensor. 8. ...

...spark plug for a 2005 yz125? hope this information helps these are Denso Plugs YAMAHA YZ125 YEAR 2004-1999 ENGINE 125 cc APPLICATION INFORMATION STANDARD STK# 4049 STANDARD PLUG# W27ESR-V IRIDIUM ...

...spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug ...

Question about 2004 YZ 125

1 Answer

spark plug. It can be white and very hard to see. If you are confident you have weak or no spark prove it by holding the plug in your hand and stark kicking you will be in for a "SHOCKING" surprise!!!

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