ok so i have 1980 js 440 stand up i just met a hot chick who loves to ride it as do i, so she was out on it most the day and it was runnin like a top soi get out on it and rode about a half hour and then i jumped my buddys wake i only got like 2 or 3 feet of air and the second i landed the ski just died on me and would not restart. it has no spark i dont know where to go with it all the wiring that i can see looks great i got a manual comin for it, was wondering if any of you guys have had this problem or if you know what the culprit is, the hot chick is all bummed out she dont like to ride my polaris sit downs as much so i need to get this sucker goin again. im a mechanic by trade but without a munual you just dont know what you dont know, thanks in advance all!