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DONT KNOW WHAT EXPERINCE YOU GOT MXTECH1 but i fixed the problem it was the FLYWHEEL THAT MEANS NEVER DISCOUNT ANY THING THESE ARE MACHINES THATS WHY I WOOD NEVER HAVE EVEN THOUGHT THAT COULDVE BEEN THE PROBLEM I NO A MAGENET JUST DOESNT LOOSE IS MAGNETISEM THIS IS JUST 1 TOO REMEMBER AND NOT TO OVER LOOK AGAIN

THANKS FOR THE IDEAS had to go back and use electrical theroy on this one NOT 1 PERSON I SPOKE WITH EVEN MENTIONED THIS AS A POSSIBLE PROBLEM 20 years experince iv never had a FLY WHEEL LOSE IS MAGNITISIM HALF OF MAGNETS WERE DEAD

THANKS FOR THE HELP have swaped all components with good/ new parts coil ,ecm,stator, reg+.condenser tank from 450 the only thing left is harness AGAIN THANKS FOR THE HELP

2012 husky 449 not legal, what is # 16 going to do

right from mx sports the yz 250 2 stroke years 2008 -2010 are allowed no 11-12s THE KTM 250SX ONLY 07-11 ARE ALLOWED AS OF TODAY NO KTM 250SX 2012 ALLOWED JUST WHAT I WANTED TO KNOW THANKS FOR ALL THE REPLYS .

thanks terry k that list is close does any one have the newest list from rule book bikes cant be older then 5 years so this list is a little out dated but gives me the answer kinda no 2012 yz 250 orthe 2012 ktm 250 sx

list in mxa doesnt have any 2 stroke from2012 it shows yz250 2 stroke only 2008 -2010 allowed in 450 class it does list ktm 250 sx only said not allowed is this correct

HERES THE QUESTION IS THE 2012 KTM 250SX 2 STROKE LEGAL IN PRO MOTOCROSS AND SUPERCROSS ALSO THE 2012 YZ250 sorry cant open pdf file for ama rulebook

CAN ANYONE HELP WITH THIS QUESTION PLEASE

AMA PRO MOTOCROSS OR SUPERCROSS THATS WHAT IM LOOKIN FOR

I FOUND THIS LIST ON MXA 1. THE BIKE,S ALLOWED IN THE LITES CLASS CRF250 2008 -12,KX250F 08-12,KTM 250SXF 08-12,RMZ 250 08-12 YZ125 08-09 ? YZ250F 08-12 2. MX CLASS bikes allowed crf450 08-12, kx450f 08-12, KTM, 350 SXF ,450 SXF ,450XC 09, 450SXF FACTORY ED(dungy replica), Rmz 450 07-12 ? HERES THE KICKER YZ250 08-10 ? YZ450 08--12 why...