11-10-13, 03:32 PM
(11-10-13, 11:45 AM)hightower link Wrote: I changed the plugs a few months back, and gave them a good spraying with WD40. I think the drain holes are clear, although i could be looking at the wrong thing.
Also, when I changed the plugs, there felt like grit in thethreads - I didn't want to clean it out too much in case the grit fell in the pot. But that could be causing a poor seal?
The drainage holes go from next to the spark plug to the centre of the engine fins.
When changing or checking spark plugs it's quite important to blow out the area surrounding the plugs with an air line, or can of air, first otherwise you get dirt and crap dropping into the cylinders, which is obviously not a good thing and probably what your gritty feeling is!
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