Ok guys this is problem I'm having ...I was out on water engine running great ..then it fell on its face lost spark ..found and repaired the wires coming from the cdi box or amplifier box ..I be love that's what it's called ..also noticed the throttle shift cable worn so replaced that now I can't get the engine to start in nutraal ...I can get it to start if I turn ignition and slowly slam it to forward ...not good I no....can any 1 help me out on sinking the carbs with the distributer arm linkage..Im lost on the marks to line up the distibuter arm I no were to line the carb roller cam on top mark.... also when it try to start in nutraal it just back fires ..could it be out of timing ...never messed with the back stop or anything just the cable adjustment and cam roller and distributer skrew...ugggg I down loaded a book on engine but don't realy help out on synchronize