spark plugs
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Tourer
Joined: Jan 2011
Posts: 474
Likes: 8
From: London, UK
spark plugs
just about to start the service on my 2011 FXDWG.
the manual says to use harley thread lock on the plugs????
do you really need to do this???
im used to riding/servicing old triumphs and kawasaki zeds, and have never needed to do this on any of them. is it just a moco ruse to sell more workshop stuff???
the manual says to use harley thread lock on the plugs????
do you really need to do this???
im used to riding/servicing old triumphs and kawasaki zeds, and have never needed to do this on any of them. is it just a moco ruse to sell more workshop stuff???
Road Master
Joined: Apr 2009
Posts: 750
Likes: 3
From: 3rd Rock
NO!! Do Not Use thread lock.... use anti-sieze compound.
Thread lock will put you in a world of hurt the next tme you go to remove your plugs... Serious Damage!!
Hope this helps.
Best wishes....Tim(HT)
Thread lock will put you in a world of hurt the next tme you go to remove your plugs... Serious Damage!!
Hope this helps.
Best wishes....Tim(HT)
Ultimate HDF Member
Joined: Apr 2010
Posts: 7,138
Likes: 26
From: Southern Oregon
never heard of using thread lock on plugs. I use a very, very light coat of the copper never seize on mine. It gives me a better feel when tightening the plugs. Always tighten them very carefully, there easy to strip. I only remove them after the bike has cooled
Last edited by ynots; Mar 24, 2012 at 06:06 AM.
Road Captain
Joined: Dec 2009
Posts: 550
Likes: 8
From: Syracuse, NY
although the plugs likley wont need replacing, it is still VERY important to pull them once in awhile (IMO once a season). I waited 2 seasons to pull my wife's sportster plugs and one already began to "weld" itself to the aluminum head. Also cant say enough about using antiseize!
Thread Starter
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Tourer
Joined: Jan 2011
Posts: 474
Likes: 8
From: London, UK
sorry, my mistake. i meant to say anti sieze,lol.
i think i will use a dab of copper grease.
im doing the 10K service.
many thanks.
i think i will use a dab of copper grease.
im doing the 10K service.
many thanks.
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Road Master
Joined: Feb 2008
Posts: 971
Likes: 1
From: Chicago/Arlington Heights
On older hd bikes I have seen both loose and almost welded plugs. For the cheap $ I replace every year with the HD plugs and +1 on the anti-sieze.
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