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i hav heard the irium plugs r the best out..... sumone said they take care of the snap off idle u want and theyre supposed to last longer
 

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Yes they do work. Better than a normal spark plug? I don't know. Rocky Mountain ATV has them for $8 - not too bad.

- Scott
 
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I have one, i i think there good while they last.

when u first put em in they runn great (start easier and idle smoother.)

then after about 5 hours they run like anyother plug out there

good plugs!

for the $ i donno if id buy another one
 

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when clutch123 and i went riding i cahnged plugs and i could not tell of any difference nor could he
 

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Ive got one in and I can't tell much either... maybe if you had a bone stock YFZ that was looking for any little help it could get you might, but I'm happy with it just knowing I have one in there :)
 

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I had a smoother idle. Your not gonna have a seat of the pants difference from any plug. I bought it because they last and have a little better spark they work very well in my Prelude, definatly more top end performance. They are suppose to be good in a car for 100,000 miles. The less you put your plug in and out the better. That's my opinion, less room for problems. I have found aluminum heads to be somewhat sensitive.
 

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Sparkplugs.com. There a couple bucks cheaper than most. ;)
CLICK HERE
 

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I've been too lazy to look through the owners manual of my 450 ... but what exact plug does the 450 take anyways??? Whats the number and whats the make?
 

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>>>>>>>NGK<<<<<<< CR8E stock - CR8EIX - Iridium
 

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Originally posted by vegasmarc@Feb 4 2004, 09:20 PM
the yfz takes the same plug as th yz450f bike right??
Yes, and the same as the WR450
 

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i will have the iridium plugs in stock this week.

they will be $8 each for members.
 

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not worth the money
 

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I dont know how much you guys are paying for the regular NGK CR8E plug , but I can get them for $1.95 Canadian . A local shop is going out of business , so they are selling off all their stock CHEAP!!!
 

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LOL Woodward should check out sparkplugs.com. He could get them 2 bucks cheaper just like us "Members" can!!! LOL!!!!! :rock
 
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