Join Date: Jun 2007
Location: Colorado Springs, Colorado, USA
Re: changing spark plugs
Just a word or three about the plugs.
First... you do not need to pull the plugs to check them ... Trust me they are good until the 24k service, if not the 36 or beyond.
Next, if you are going in to do a valve clearance check- then yes you have to pull the plugs. The Plastic cover needs to pop off. It may seem as if there is no place to grab, but go for it.
3. The plug wire is a combo wire and Coil... we call this a "stick coil". It should be pulled straight off the plug. You have a tool in your kit that slides over a small ridge that grips the top of the stick coil... pull straight out. 8 out of 10 times it will slip off... then on number 9, the coil will pop out. The better solution, especially if you like to play with the plugs a lot is to get the Marc Parnes puller. Stainless steel- sweet- works every time. My shop mechanic just grabs the coil with the pliers but then he has magic hands and knows how hard he can grip.
D. The spark plug hole is verrry skinny and verrry deep. You will need a long narrow-wall plug socket. Not hard to find, just has to be long and thin walled. A good one at Harbor Freight less then $5.
e. Just my opinion, but never, ever, not once... put thread lock on a spark plug. This is an aluminum head. Figure out what the torque value is and use a damn good torque wrench. You will be amazed at how lightly you should tighten it. Just do it by the numbers and trust the guys at the Mother Ship.
6. Regarding the bottom plugs... they are under plastic covers... remove the cover and viola as they say in France, another stick coil. Be damn sure you pull it straight out and not at some funny angle. You will be laying down on your side, unless you have a lift... there will a great tendency to pull it downward... or upward... straight is the way to go...
G. I went to get new plugs for my 24k service even though they were not needed. The parts guy at the independent shop convinced me to try an NGK SINGLE element plug... oh the horrors... not using a dual element plug... runs better than ever... just like he said it would. He said to try them and if I didn't like them he would take them back... I will bet he has never had one return.
p.s. Do not use thread lock....
p.p.s Thread lock is for applications where the factory DVD says to use it... like on the little screws that hold the mud guard... which you think of as a fender but it is a mud guard.
2014 R1200RT WC
"So, I was forced to wrestle with toothy allegories, and today I am a suppository of knowledge."