1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 63Get this manual
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Check that O-ring IS in good the timing hole capTORQUE: 10 Nm (10 kgf.mIbf.ft)
If he !evel is below the lower mark 011 the dipstick,
fill the crankcase with recommended oil
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