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Best Spark Plugs 04 1150RT


kingpinofdisks

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kingpinofdisks

Probably already been done before, but I am a lousy searcher (and I am in IT - ain't that funny?).

 

What are the best, most-est bomb-ass super duper spark plugs (upper and lower) for my twinspark 04 1150rt?

 

Is it the fancy iridium ones? Or the BMW stock plugs? Or some 4-prong $20 psycho plug?

 

Just curious - mine are due in 2 months or so, and apparently my driving habits are a bit bad on the bike - I gotta stop lugging the engine. So anything that helps burn the gas in the chamber is probably good.

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David_Charlton

Hi Chris,Iv'e been using Iridium IK22 for thousands of K's now in my '03 RT with excellent results, smooth no surge etc but I attribute that mainly to keeping the bike away from dealers and making sure it's kept in tune, go for it, safe riding David thumbsup.gif

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I just updated a thread from last summer, giving my results with Denso plugs on my 04 RT. In my first post in that thread I gave the Denso Iridium plug part numbers. I got them from an online source, something like sparkplugs.com, I forget the exact name.

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kingpinofdisks

Ok, I will go for the Denso IK22 - is that top and bottom, or is there a different plug for the bottom?

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  • 10 months later...

So, as a choice we have the Densos.

1K22 TOP

1XU24 BOTTOM

 

What are the NGK replacements?

Right now I have:

BKR7EKC TOP

DCPR7EIX BOTTOM

Is this correct?

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So, as a choice we have the Densos.

1K22 TOP

1XU24 BOTTOM

 

What are the NGK replacements?

Right now I have:

BKR7EKC TOP

DCPR7EIX BOTTOM

Is this correct?

 

The NGK IRIDIUM replacements are..

Primary> BKR7EIX (NGK part#2667)

Secondary> DCPR8EIX (OE heat range as installed on my 04Roadster) but I use DCPR7EIX (NGK part #6046), same heat range as Primary.

 

You can special order these at any AdvanceAuto and get them in 2days...$6.96 each.

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