Posted May 19, 201014 yr Hi all, Trying to do a compression test on my 1997 Dragstar but stuck trying to get the sparkplugs out !! Bike didn't come with a tool kit so tried to remove with my car spark plug socket, of course it's too big. Looking on fleabay there are several sizes, 12mm, 14mm and 16mm with 3/4 and 1/2 inch drive. Don't want to order the wrong one ! any advice please ! Thanks, Gra.
May 20, 201014 yr Memory does serve. It is indeed an 18mm. You may find you have to buy one seperately, rather than it being included in a set. Halfords do them. Get the long/deep one with a rubber O-ring to grip the plug, else you'll be dropping it inside the cylinder and you'll need a wife with small hands to reach it.
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