whell over the period of the last 9 months my father and i have re built my atv. being that it is so old the gears in the gear box finaly showed it. the busted and tor apart. we first took out the gear box and took that apart and replaced all faulty gears. now the gear box is back in comission and works perfictly. so we tryed to start it. it wouldent turn over it kept getting caut, so we decided to take apert the engine once we got it pulled apart we found out that the piston was cracked and shaterd. one we cleaned out all broken peaces and got the new piston in it we put it back togeather, we got the whole engine back in place. when the starter is hit it turns over perfictly and all is whell. then we hooked up the battery, all of a suddon the brown (ground) wire leading to the stator and pulse (pickup) coil comming from the cdi burnt up. it melted the insulation and chared what was left. so we tested the stator and the pulse coil. there is no definite way to test a regulator/rectifier and a cdi so we have no idea if it is them or not. but we cut out the burnt section of the wire and soilderd a replasement wire in that segment. and we turn it over and still no spark. so we replased the ignition coil suspecting it wasent letting out a sark. put a new one in and go figure it dint spark. we only get one spark at the begining and nothing the rest, and now we r suspecting the stator (exciter) coil behind the flywheel. we have been prying and prying at the flywheel for weeks, we have heated the crank shaft and tried pulling it off we tried heating and using a gear/bearing puller and nothing. tonight ,my dad sat there using a slide hammer and heat for over 2 hours and not a budge, we wheel never get to the stator if this keeps up. any help please. all help and info is greatly apreciated.