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View Full Version : want yz400 yz426 topend parts head cylinder piston


mudd690
04-13-2007, 03:10 PM
Looking for the top end to fit a yz400 or yz426 let me know if ya have anything.
YZ400EX
04-13-2007, 05:59 PM
me too.. you must have had the same thing happened to your motor as me..:D
mudd690
04-13-2007, 06:20 PM
mine snaped a rod and bounced the piston off the head so if anyone sees this we need parts please.
YZ400EX
04-13-2007, 07:22 PM
I dont know what happened to mine yet.. I pulled the plug and I know something chewed the end off of it and the motor is seized super tight.. I may have dropped a valve or something..I will have it all apart tomorow to find the final result!!