thanks for that!
some questions,
in this image http://i0.wp.com/www.yamahar3racing.com/wp-content/uploads/2015/04/IMG_0178.jpg and http://i0.wp.com/www.yamahar3racing.com/wp-content/uploads/2015/04/IMG_0187.jpg, it says to use socket to remove the bolt, but the bolts are round. what kind of socket fit the bolts?
what is a good length for the socket to fit in the spark plug hole?
ok, after zooming i can see the corners on the bolt, like a flange bolt, however on the first picture,the left side, is more rounded? i guess it is a flange bolt
how do you pull the spark plug wire? just pull it, no twisting like a bolt needed?
2 plugs. Best to order as a set of 4, since that's how they're normally sold, and price/unit is a bit cheaper. Also recommend switching to iridium-tipped, since they last a lot longer.How many are in the enigine i want to order them so i can change
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