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View Full Version : Is breaking in needed?


speedy400
02-19-2003, 09:55 AM
Hey i'm getting my valves on my 400ex adjusted tonight. Will I need to do anything different than normal? Thanks-darren
Scott400EX
02-19-2003, 10:03 AM
nope just ride it!!
speedy400
02-19-2003, 10:06 AM
Sweet:D thanks
AndrewRRR
02-19-2003, 10:10 AM
I have heard you need to do a break-in any time the piston is out of the cylinder (regardless of whether it was replaced). With valve adjusting you are fine.
UglyMotha™
02-19-2003, 10:30 AM
Originally posted by AndrewRRR
I have heard you need to do a break-in any time the piston is out of the cylinder (regardless of whether it was replaced).


yup, that also goes if you remove the cam also, cause it has to be re-seated it's not goin to just fall back into place, but as everyone else said no breakin for valve adjustment