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Thor
Reviewed in Sweden on April 28, 2025
Jättebra på min hoj. Buell.
Franz
Reviewed in Italy on April 18, 2024
La marca una garanzia.
Rob Hes
Reviewed in Germany on September 19, 2023
Läuft viel besser die buell.Wahnsinn. Man hat ja viel gelesen, aber so viel besser? Knaller 💪😎
Tyler A.
Reviewed in the United States on May 15, 2020
Working great, pre-gapped so I didn't have to measure them first and risk adding wear to the tip. Will update review if they die too early.
Kevin
Reviewed in the United States on February 2, 2020
Great plugs
Brent Boyd
Reviewed in Canada on August 20, 2018
As usual, the king or queen of spark plugs. Last ones that I installed in my Ducati lasted 3 years.
John States
Reviewed in the United States on January 30, 2018
I installed these in my Buell, witch I use a race emc and after market exhaust with. I have been running them for 5 years now with no problems yet. I know I should change them out but, but this bike suck to get the plugs in and out of. so I'm going to wait until I get the misfire.
Karl-Heinz Mosthav
Reviewed in the United Kingdom on August 23, 2017
Perfect !
bbinblack
Reviewed in the United States on January 27, 2016
worked in my can am spyder just fine by me. i went for the longer lasting plug so i could triple up on my tune up mileage. no complaints.
Ivan Drago
Reviewed in the United States on September 4, 2015
Not sure if Iridium are worth it or not. Decided to install these in my Can Am Spyder because the plugs are so hard to get to. This are supposed to last much much longer than standard plugs, so it was worth it to me. If I get 20,000 miles out of them, they will be worth it.
Stu_O
Reviewed in the United States on December 4, 2014
This is the Iridium-tipped version of the DCPR9E. I get 30,000 miles from these in my Aprilia Caponord, as opposed to replacing the non-Iridium ones every 10,000 miles. The price is right, too.
Dirk
Reviewed in the United States on July 19, 2013
I bought a Buell xb12ss Lightning Long from 2009. When I buy a motorcycle I always changethe oil and the oil filter (you never know how the last owner rode it) as well as the spark plugs.My old ones weren`t down or not working but I experienced some problems while starting it.With this new Iridium spark plugs from NGK (which is well known in Germany where I'm from)my Buell xb12ss Lightning Long now runs smooth and steady without any problems at all.
MKim
Reviewed in the United States on October 22, 2012
A tremendous improvement to the OEM Harley-Davidson 10R12X plugs. My Buell has a cold-blooded air-cooled motor that tends to cough, sputter and generally run like crap until sufficiently warmed up. As autumn descends on the northeast, my bike is running better than ever on cool mornings! I hope erosion wear rates are also improved down the line.
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