i already changed the cdi boxes,as one was broken bt the previos owner,but i still have no spark,i checked the grounds,they look ok,i removed the coils,they look ok also,has plenty of battery power,but no spark to the plugs??? what do i try next,please e-mail me with any ideas,i´m lost!!!or call me at 508-922-5551 m-f after 5:30,but e-mail me any help will be greatly apreciated.