1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 107Get this manual
PILOT SCREWD, USTMENiT AJ " the engine' must be running to do some work,
make sure the a'f aa is well ventilatedNever run the
engine in au enclOS8d areaThe e'x haustcomains po, sonou,s carbon monoxdegas fhat may cause foss of CO.JTsctousneand mayead to de'a thRun l
the (mg#I'e In an open area ,0 ',' w;than exhaUst evacuation system In eneos, areae
The pi lot sCrew is factory pre-setAdjustment is not nece, sary IlJliI, ss the carb uretors are overs hauled or new pilot scr ews areT11E!n engine must be warm for aCCu rate adjust menL Ten milnutes of stop -a,nd -go rldiog is suffici ellt Use tachomet.er wit graduatio ns of 50 rpm or smalle that II accu ately iii dl ea te 50 rpm change
1Tum the pilot screw clockwlse until It seats lightly, then baC'l it-out to the speci fication given
Damage to tn'ep,llot screw seat will occur if the pilot serer,i Is tlgltrened aglnst the seata