stuck bottom spark plug

woody99 · Dec 9, 2020

I have a 2009 RT1200 , I changed the top plugs and removed the side bodywork to get to bottom plugs . When I tried to remove it, it would not budge. I put a good amount of pressure with a long handle ratchet and nothing. Does anyone have any ideas? I had visions of it break off, nightmare scenario.
Thanks Woody99

gsaddict · Dec 10, 2020

Try bringing to operating temperature and then attempt to remove it.
Wear gloves.

riderr1150gsadv · Dec 10, 2020

When you do get them out, use some aluminum anti-seize on the new plugs. Ignore the nay sayers and you'll thank me later...YMMV

pglaves · Dec 10, 2020

RIDERR1150GSADV said:
When you do get them out, use some aluminum anti-seize on the new plugs. Ignore the nay sayers and you'll thank me later...YMMV

And if perchance you use a torque wrench installing plugs with anti-seize reduce the specified torque by at least 25 to 30 percent.

gsaddict · Dec 10, 2020

Keep the NS well away from the electrodes if you do.

NGK's official comment on the subject
https://ngksparkplugs.com/en/resources/5-things-you-should-know-about-spark-plugs

drneo66 · Dec 10, 2020

Just double checking that you're using a thin-walled spark plug socket? Are both of them stuck?

pauls1150 · Dec 10, 2020

Idea - When removing smog sensors from a car's exhaust, the general guideline is "a bit warm but not hot"...
On bikes, tho, we usually do it "cold".

stuck bottom spark plug

woody99

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