Yamaha YZ250FM 2021 Owner's Service Manual

ENGINE3-14c. Install the new oil filter element and the oilfilter element cover.5. To check the oil strainer, perform the follow-ing procedure.a. Remove the oil strainer “1”.b. Check the oil strainer.Damage  Replace.Clogging due to dirt  Wash with kero-sene.c. Replace the new O-ring “2”.d. Install the oil strainer.6. Install:• Gasket• Drain bolt7. Pour the specified amount of engine oil intothe oil filler cap hole.8. Install:• Oil filler cap9. Check:• Oil levelRefer to “CHECKING THE ENGINE OILLEVEL” on page 3-13.10.Check:• Engine oil pressurea. Slightly loosen the oil pressure check bolt“1”.WARNINGEWA19120When the engine is started with the checkbolt removed, oil will spout; therefore, al-ways loosen it before the checkup.b. Start the engine and keep it idling until oilstarts to seep from the oil pressure checkbolt.WARNINGEWA19130Always keep the engine idling speed duringthe checkup without increasing the enginespeed.Oil filter element cover bolt10 N·m (1.0 kgf·m, 7.4 lb·ft)Oil strainer bolt10 N·m (1.0 kgf·m, 7.4 lb·ft)Drain bolt20 N·m (2.0 kgf·m, 15 lb·ft)113322T R..12T R..NewT R..Engine oil quantityOil change0.73 L (0.77 US qt, 0.64 Imp.qt)With oil filter removal0.75 L (0.79 US qt, 0.66 Imp.qt)Quantity (disassembled)0.95 L (1.00 US qt, 0.84 Imp.qt)111