Wut? £65 for a spark plug?

[ian505050]

Why is this so expensive? can someone please explain?

https://www.wemoto.com/bikes/yamaha/yzf_600_r6_5sl/05/picture/ngk_-_racing_spark_plug/

[Snorty]

It says racing on it. +£60 on the price.
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Current: Yamaha FZ1 '07 | GSXR 750 SRAD

Past: CB125TDC | TZR125 | GPZ500 | CBR600F3 | ZX9-R | GSXR1000 K4

[paddlesat16]

I bet it's made out of cheese or simliar chinese metals
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I once saw a bloke shagging a donkey.... in Saudi arabia. Theory Test Passed 26/10/09 Mod 1 Passed 26/4/10, Mod 2 Passed 7/6/10 Current Bikes Suzuki GSX1400 K5, Aprillia Pegaso 650, Suzuki DR350T.

[_Iain_]

Because adds like another 5bhp.

Seriously, standard NGK's at £6 a plug never fucked any of my bikes up. Iridiums seem to foul easier too & never clean up right.
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Please be aware that the above post may be full of complete nonsense.
Riding: '07 KTM Duke II, Baotian BT49QT-20 Driving: '88 Volvo 340

[-Matt-]

Agree with ian. Bog standards are fine and if desired could replace 3-4x as often with the money saved on an iridium

[The Tot]

...becuase racebike!
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The Tot 2019 Z1000SX - 2007 R1
Never argue with autism

[Im-a-Ridah]

Maybe it's some kind of controlled spec part for use in a race series, and you'd be paying for approval and whatever. Or it's just marketing.

[Fizzer Thou]

I needed a new spark plug for my XR400R and the only type plug that the shop had in stock came in a packet marked "NGK Racing Part" which is exactly the same part as the standard plug except for the packaging.

According to my 2009 NGK applications catalogue,the standard plug for the 1999-on engine is the CR10EK and the Iridium plug is the CR10EIX.

I have never had any fouling problems with the Iridium plugs in my R1 or my KTM enduro race bike.If the mixture is correct there should be no fouling problems and if there were I would have expected the standard spec plug to foul before the Iridium type.
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Just talk bikes.What else is there?

Always have a 'Plan B'

[Clutchy]

I know on heavily modded cars people use them a lot, maybe due to the extra heat?

Doubt there are any gains on using that plug if it's not modded...
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Malaguti F12 Phantom-Dead, Suzuki AY50- Dead, NRG power DD LQ, CBR125.
*33 BHP restriction up on 10/12/14* Current bikes/car: SV 650 S/ MKIV GOLF
Guide to pass your test with no lessons!

[DoohanFan]

I remember back in the 90's when a set of racing plugs for a vfr 400 cost £45 a plug!!
Required the plug aperture boring out and re tapping too before they would fit!!

Still got the copy of PB from back then detailing the changes required.
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Bike history: GP100, NS125R ( wrote off ) , RG125 FUN, VFR400 NC30 ( nicked ). VFR400NC30 (race tuned), R6 (parts robbed ), CBR929 RRY, CBR1000 RR-4

[johnsmith222]

[garth]

It was ten quid less to do 'normal' plugs on my gsxr. So I saved the tenner and spent that on Peroni instead, it made the job more fun

[Rockhopper]

[johnsmith222]

[Timmeh]

I bought a set of 4 iridium plugs for my Gixxer for 25 quid, which are better than the standard CR9EKs.

I wouldn't bother putting them in any stroker, they'll foul up just as fast as normal ones.
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GSXR400 x2 | '94 RVF400 | '93 TZR125 4DL (again)
20:22:30 BLUEX5: i would love to be forced to undergo a**l plugging with different sizes
20:48:18 Temeluchus: comp you hunk of smouldering homos3x you

[pits]

[_Iain_]

[-Matt-]

[pits]