spark plugs

matyboy1 · L Plate Warrior Joined: 12 Jun 2010 Karma :

i have a yamaha tzr 50 2 stroke whitch is due for a new spark plug i was thinking of getting an iridium plug instead of the standard ngk,is it worth it or not any help would be much apreciated thanks

Mr Hammers · World Chat Champion Joined: 10 Jul 2008 Karma :

If I was you I'd just try it. My NSR ran better with an iridium plug, but the Bandit doesn't. Buy one of each and see which feels better.
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Marmalade · World Chat Champion Joined: 28 Apr 2009 Karma :

My mpg got better when i fitted iridium plugs to my pan euro
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temeluchus · World Chat Champion Joined: 01 Oct 2008 Karma :

Two strokes can give plugs a hard time. Iridiums last longer and cope with fouling better as well.

Dont expect miracles but it should start a bit easier. If its running a little rich it will also run a bit better.
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Kickstart · The Oracle Joined: 04 Feb 2002 Karma :

Hi

Personally I am not sure I would bother. 2 stroke plugs are not long lived enough for wear resistance to be a worry, and I think I would rather have several standard plugs (and certainly a spare in the tool kit) than just one flash plug.

All the best

Keith
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mbanarch · Borekit Bruiser Joined: 04 Jul 2010 Karma :

just gone for a ngk irridium for my nsr id say they much better and improve the whole performance.
have a lookie on amazon they cheap to pick up

Carvel · World Chat Champion Joined: 01 Jun 2010 Karma :

radical · Spanner Monkey Joined: 02 Jul 2010 Karma :

Try using the Champion plugs instead of the cheap NGKs as I have found they last a lot longer and are much more reliable.

Noxious89123 · World Chat Champion Joined: 10 Jun 2007 Karma :

radical · Spanner Monkey Joined: 02 Jul 2010 Karma :

As I have said, Cheap plugs and I certainly would never use them on a two stroke, Its champion for me every time on two strokes.

Carl_steveo · World Chat Champion Joined: 23 Jun 2008 Karma :

I have an iridium in my NSR and I can see no difference between that and the old NGK that was in. Except this one doesn't spit oil out of the plug hole because this one has a crush washer that works lol. Embarassed

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LeeR · World Chat Champion Joined: 12 Dec 2006 Karma :

I use Iridium plugs in my bike and can't say I notice any discernable difference, but then they're just a cheap on eBay whether I buy regular or iridium so I don't mind.

Your plug is either BR9ES or BR9EIX these are £2.78 and £4.90 respectively on eBay which are both probably cheaper than Halfords or dealers.
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