Comments on: How can i tell if the spark plug on my 1990 Yamaha RT dirtbike is fouled? http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/ Year of the Horse Tue, 07 Sep 2010 13:40:42 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: ap3 http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/comment-page-1/#comment-7810 ap3 Sun, 21 Mar 2010 12:20:57 +0000 http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/#comment-7810 you can take off the boot wire which covers it and unscrew it if it is soaked in oil or gas it is probably fowled and you might need to get a new plug at an auto parts or powersports dealer you can take off the boot wire which covers it and unscrew it if it is soaked in oil or gas it is probably fowled and you might need to get a new plug at an auto parts or powersports dealer

]]> By: Tiny651 http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/comment-page-1/#comment-7809 Tiny651 Sun, 21 Mar 2010 11:47:04 +0000 http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/#comment-7809 you will have no power on the bottom end, and when you pull the plug out, it will be wet and black. it should still start up though. you will have no power on the bottom end, and when you pull the plug out, it will be wet and black.

it should still start up though.

]]> By: ridingorracing http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/comment-page-1/#comment-7808 ridingorracing Sun, 21 Mar 2010 11:04:59 +0000 http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/#comment-7808 if it's a two stroke, just replace the plug. a two stroke needs to be run like it's stolen make sure your not dumping too much oil through it. if it’s a two stroke, just replace the plug.
a two stroke needs to be run like it’s stolen
make sure your not dumping too much oil
through it.

]]> By: meditrome http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/comment-page-1/#comment-7807 meditrome Sun, 21 Mar 2010 10:54:36 +0000 http://www.1990.us/how-can-i-tell-if-the-spark-plug-on-my-1990-yamaha-rt-dirtbike-is-fouled/#comment-7807 remove the plug hook wire back up hold the rubber grommet with Rubber handled pliers hit start and watch for a blue spark off the tip remove the plug
hook wire back up
hold the rubber grommet with Rubber handled pliers
hit start and watch for a blue spark off the tip

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