BogMonster Posted April 30, 2006 Share Posted April 30, 2006 I probably should know the answer to this but I don't..... If you run a petrol engine (in this case a 2 stroke but I guess the principle applies on anything) with way to big a gap on the spark plugs, what are the downsides? Does it run hotter/burn plugs out? or doesn't it much matter as long as it runs? Just wondering as I changed the plugs in my outboard yesterday, supposed to be 30 thou and they were 50 to 55! oh and three of the four broke off when I had the feeler gauge in them so probably changed just in time I think, God knows how long since they were last changed The engine ran fine, a bit of a misfire at idle on 1 cylinder (its a V4) but smooth as you could wish for over 2000rpm. No doubt it will run better when it goes back in the water later on though Quote Link to comment Share on other sites More sharing options...
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