2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 310Get this manual
CRANKCASETRANSMISSIONCRANKSHAFTBALANCER ('04'05) INSPECTION Set the crankshaft on stand or V-blocks and measure the runout using dial indicatorSERVICE LIMIT: 0.03 mm (0.001 in)
9.5 mm (0.37 in) Measure the connecting rod big end side clearanceSERVICE LIMIT: 0.75 mm (0.030 in)