Just fitted an NGK Iridium Spark Plug...

[BlackStallion]

This topic isn't anything special, but i just thought i'd tell you guys what difference an NGK Iridium Spark Plug has made to my 125.

I'm not noticing a HUGE difference, but when i shift into 5th, i have a bit more power and acceleration than i used too.

Apart from that, i can't really tell that it's an Iridium. Pretty satisfied with the little tweak to my 5th gear. Not bad considering i got it off ebay for the price of a standard NGK Spark Plug in my local bike shop.

I only got an Iridium plug due to the fact it's a real chore to get to my spark plug, so i decided to get one which lasted longer. I actually changed the spark plug just because my manual says it's due for replacement... Physically, there's nothing wrong with the plug, but it's always there for emergencies

So only get an Iridium if changing your spark plug is a pain in the arse. Plus, only get it for a bigger bike with a MUCH bigger engine. Doesn't really improve anything on a 125.

Oh, and get them off ebay

[Wilson123]

I decided to try an iridium spark plug in a last attempt at solving my problem of my ped running rich and fouling the plugs.

I noticed a slight increase in acceleration.

It has soldiered on and one in three says that it sorted my 6 month long headache of spark plug fouling.
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Doug97 wrote: Fuck you, what they did was awesome. You just wish you had the balls to be like them, instead of being constantly afraid that there's a rule somewhere out there you might be breaking.

[BlackStallion]

[yuri2085]

Do they really spark that much better? that's interesting would love to hear more about these.

[BlackStallion]

[yuri2085]

Well mine are ony like, 2k miles old or so but this info makes me think I might at some point when If they die (why would they...) or if i feel really rich with lots of spare time

[BlackStallion]

Ah right, have you noticed any difference with the Iridium plug at all?

I only got the Iridium plug as it was the same price on Ebay as the Standard plug in a local bike shop.

If you have the money, then i'd say get one for an extra couple of quid

[yuri2085]

I'm a little confused by your reply, I dont have iridiums atm and I changed my plugs when I was trying to work out my engine troubles.
But yer my plugs are hard to access will prob try them out when I am a bit richer

[BlackStallion]

[Theoutsider]

I`ve got a iridium plug on my nsr125 for 3k miles and it still runs like the first time it was in.A normal plug used to keep me about 1000 miles.So iridium is better.Can`t say nothing about acceleration or fuel economy though

[Finglonga]

[honda_arry]

I thought I'd try one of these in my CG, not sure how old the one in there is currently but I've had the bike a year and the previous owner didn't mention changing the plug so thought I'd try a new plug as it couldn't hurt....off I popped to ebay the other day and got one for about £7, It arrived this morning so popped the new plug in, got about half a mile down the road and bike started spluttering , pulled over where it conked out and the bike would no longer idle , it would start with higher revs so turned around and struggled it back home spluttering along at 30mph.

Took the new plug out and the end looked very black (the old plug was a bit dirty but not black like this brand new plug that had only been in the bike minutes!), thought I'd try the old plug again but was now getting the same problem! Had a look at the plug and had also gone black quickly, some sort of rattling noise with the engine seem to have developed as well.

Anyway wish I never changed it now! Not sure what's happened but it's chuffed the bike right up , bike garage I use shut as well so have to wait until next week just hope it's something simple.

Can't help thinking if it aint broke....

[Irn-Bru]

Are these plugs any good for 2 strokes? I was going to get one for my DT but my brother said they make 2 strokes run like shit
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KTM 990 SMT & Suzuki DR-Z 400 SM

[BenR]