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Hi i just thought i would share my recent experience . i decided one night that i would check valve clearance for first time 06 RT just for fun so i removed all the parts to get to the valves the valves were right on so i didnt check the other side .pulled both plugs from same side just cleaned them .just trying to get to know the bike so being proud of myself for a good job i put it all back together no problem.left for work next day it was wet and rainy the bike bucked and missed under load not running well at all ..Holy crap i thought i really buggered up something real good . or maybe due to rain not likely. when i got home i was ready to take it all apart again to hopefully find the problem i removed the plug cover and there was the problem the plug wire was ever so slightly disconnected from the coil (i think thats what its called )pushed it back in and problem fixed ..Sorry for long story just thought it might be of some help ..Thanks
 

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Great post and many will thank you for it.

While many modern cars and bikes have coils that are directly over the spark plugs many people may not even know they have them.

Many bikes still have the coils separate. Our bikes have "Stick Coils" that need to be carefully removed and properly replaced when ever the plugs need to be removed or re-installed. There is a special tool in most of our tool kits to "grasp" the top of the coil and pull it out. Many guys prefer to purchase a special puller from Marc Parnes. His tool works far better than the plastic BMW POS.

Over exuberance in pulling can sometimes over extend the wire back to the motor and this stress/damage can be hard to track down. With a little practice you can pull the coil/plug cap and not really risk any problems.
 

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I bought the tool from Marc Parnes and didn't need it. They came right off by hand without any exertion at the 6K service.
 

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hopz said:
Over exuberance in pulling can sometimes over extend the wire back to the motor and this stress/damage can be hard to track down.
Over exuberance in INSTALLING can result in cracked plug insulators and an engine miss under load.

This was the case with my bike.

I think the assembler at the factory uses a hammer to install the coils on the horizontal plugs.
 
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