Honda CRF250F Owner's Manual Installation And Operation page 184

1. Remove the oil fill cap/dipstick from the
right crankcase cover.
2. Place a drain pan under the crankcase.
3. To drain the oil, remove the oil drain bolt
(1) and sealing washer (2).
4. Remove the oil filter cover (3)/O-ring
(4), spring (5) and oil filter (6) by
removing the oil filter cover bolts (7).
(1)
(1) Oil drain bolt
(2)
(2) Sealing washer
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