2004-2005 Honda TRX450R Factory Sevice Manual, Page 56Get this manual
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RECOMMEND ED ENGINE OIl: Pro Honda G,"", HP4 (w ith out mol ybd um addi iveor HP4M molybde nu additive) 4$"0 "," oil, 0' equ ivalent mo oi API rv iCl lassificationSG or high et JASO 903 .tandard: MA or MB Viscoit y: AE OW-40, SW-30
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