July 13th, 2012, 02:14 PM | #1 |
L8APEX
Name: CRA#33 EXPERT
Location: Mankato, MN
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Spark Plug Poll
Whats everybody using?
I was using CR8EK switching to CR8EIX
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July 13th, 2012, 05:54 PM | #2 |
cuz
Name: Israel
Location: Houston (me) Galveston
Join Date: Jul 2011 Motorcycle(s): 09 ninja 250r Posts: A lot.
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cr8eK
How come the change over?
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July 14th, 2012, 08:08 AM | #3 |
L8APEX
Name: CRA#33 EXPERT
Location: Mankato, MN
Join Date: Nov 2011 Motorcycle(s): 07 KTM 950SMR, 06 KTM 450SMR, 99 KTM 300MXC, 00 Derbi GPR 50, 09 Ninja 250 racebike, race with www.cra-mn.org! Posts: 233
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I dunno...Advertised hype has got me convinced there is another .1 hp to be had with the Iridiums
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July 14th, 2012, 08:59 AM | #4 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
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I am using the iridium plugs.
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July 14th, 2012, 09:23 AM | #5 |
RIP Alex
Name: Cuong
Location: Houston, TX
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I think I'm using the stock type plugs. They're cheap and I replaced the last set (although still good) when I did my valve adjustment. I'll probable do the same as it's getting close to my second valve adjustment already.
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July 20th, 2012, 05:46 PM | #6 |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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CR8EK or CR9EK changed often
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July 29th, 2012, 01:28 PM | #7 |
ninjette.org member
Name: matthew
Location: niagara
Join Date: Jul 2011 Motorcycle(s): 2010 250r ninja Posts: 115
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Im goin to be changing my plugs to make sure that it elimate the possiblity that my plugs are bad. Is there really a difference between the CR8E and the EIX? has anyone noticed any difference in the 2?
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July 29th, 2012, 05:54 PM | #9 |
ninjette.org member
Name: matthew
Location: niagara
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July 29th, 2012, 07:08 PM | #10 |
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Name: Eric
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I went from the # 8 to the #9 with full exhaust and pods. The cooler plug is good when running pump gas with hi compression pistons.
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November 28th, 2015, 08:11 PM | #11 |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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Run the EK's. Same price.
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November 29th, 2015, 08:59 AM | #12 |
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Name: Ryan
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I'm running the denso U grooves right now, but next time I change them I will go Denso iridium racing IU01-24.
Last futzed with by HoneyBadgerRy; November 29th, 2015 at 09:31 AM. Reason: Adding knowledge |
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November 29th, 2015, 09:02 AM | #13 | ||
EX500 full of EX250 parts
Name: Bill
Location: Grand Rapids-ish, MI
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I voted CR8EIX, which is the equivalent to what I'm using on my 500. Stock for us is DR9EA, and I'm using the DR9EIX Iridium version of it. I used the IX plugs on my Vulcan, and they came standard on my Cobalt.
The smaller electrode results in a more focused and consistent spark. It also requires a stronger material, hence the exotic metals used in these (standard copper/nickel electrodes wear down more quickly, which would result in your tiny electrode completely disappearing before too long). NGK 4218 CR8EIX IX Iridium Plug Quote:
Note that the K plugs are made for specific engine designs that require a different type of plug, not as a performance upgrade. The difference of the plug gap area may or may not perform better for you (I have no personal experience to say either way). The extra electrode is added because that design tends to wear more quickly so they need a "backup" to avoid frequent plug changes. NGK 3478 CR8EK Multi-Ground Plug Quote:
I got used to doing ignition tuneups on the Syclone (~$50 for wires, plus 6 spark plugs) seemingly every other week, so paying an extra $8 per tuneup on the Ninja to get Iridiums instead of standard plugs doesn't bother me. Even if I see no measurable performance improvement, they last longer and don't foul as easily, which means less time wrenching and more time riding.
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November 29th, 2015, 02:21 PM | #14 |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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For a racebike run the EK's.
Or don't. |
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