2004-2005 Honda TRX450R Factory Sevice Manual, Page 55Get this manual
MAINTENANCE Ifhe decompress' ele ,a ne! i, ut of spedfic, io n, "diu5t oS fo llows Me,su,c heht exhaust va lve elea ,anc! by ;n, '" ing1" gauge le lween Ihe flg hts;de ,ocKearm 0' ndh;m
EX HAUST VALVE CLEARANC E: .28 Q.1l.l mm (0.011 Q.QQl ;nl
Remove the fe le uge inse rte Ie'ween the fight iM roc,ea,m "ndh; m
t"" ,t f""I", gouge equ;va tent to';ght eha us v, lve clea 'a nce0,15 mm (g,006 ;nlbetween the dju,t;ng sc,ew "nd ro cke'mLoosen th lock eut "old tu ,n the adj ,t; ng ,ew nt il the";3' ightag 'he fce lo' g8ugOHold 'he 'djust,ng screw nd t;g ht en the lock nu t
TORQUE, 9.8 N'm (1.0 kqlm7 Ibthl