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General Category >> Rubber Side Down! >> Spark plug access
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Message started by Armen on 09/14/19 at 10:03:57

Title: Spark plug access
Post by Armen on 09/14/19 at 10:03:57

Sometimes it's the little stuff that makes you crazy. Spark plug access on my bike is a bit annoying. Prob some manufacturing tolerances make some bikes easier than others.
I had already ditched the faux Panhead covers and ground off all the unnecessary mounting nubbins. Then I opened up the valve cover around where the plug is so be able to see what I'm doing. Even with the sheet metal spark plug tool, things were a bit tight.
Put a paper towel plug in the spark plug hole. Got a 6" carbide burr on my pneumatic grinder and started to open things up. Much noise and dust later and the plug and I are much more easily acquainted.
This is the head on the bike now. I have another one which will undergo all sorts of useless stuff and be installed with the 695 kit...

Title: Re: Spark plug access
Post by DragBikeMike on 09/14/19 at 12:26:07

You didn't weigh the head/head cover before and after? I was hoping to see how many grams you shaved off. ;)

That plug is in a mighty tight spot. One thing I have noticed is that all the junk in the way has a tendency to keep my 18mm socket sort-of aligned so that I can get the thread started. But then, getting the loose plug out of the cavity can be a bit of a chore. I really need a rubber insert for my socket. A standard 18mm plug socket with an insert won't fit into my stock cavity. Have you tried a standard spark plug socket in your modified setup?

Title: Re: Spark plug access
Post by batman on 09/14/19 at 13:59:42

If you brake it loose , slide a piece of hose over the threads and turn it out/in? /cheap flex -head driver? add it to your tool kit.

Title: Re: Spark plug access
Post by Armen on 09/14/19 at 17:02:39

DBM
Using the spark plug socket from an old XL250 Honda tool kit. Pretty long and thin, with a rubber insert. Works just peachy :-)

Title: Re: Spark plug access
Post by zipidachimp on 09/14/19 at 23:20:57

the plug is magnetic! use a magnetic probe to fetch it in and out. cheers! 8-)

Title: Re: Spark plug access
Post by Gary_in_NJ on 09/15/19 at 06:12:08

You’re missing the point....he could always get the plug out.....now the bike is 7 grams lighter.