Spark plug drain holes

[celticdog]

[quote author=celticdog link=topic=24802.msg289253#msg289253 date=1545292794]
Cheers gents this is now on my agenda, had a devil of a job changing the plugs last dime due to debris down where the plug go in.
She runs a bit lumpy first thing in cold wet mornings always though it was just because the engine was cold.

How old are the plugs?
I much prefer the Iridium plugs in my bike, I do notice a big difference, and they're not that much more expensive if you look around, plus they'll last longer anyway so no real money loss.
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Yeah they're due a change next service which will be in Feb just before the old girl goes for an mot. I've always used the cr8e's but I'll give the irridiums a go this time as a treat now she's reached 50K