Yamaha YZ250FM 2021 Owner's Service Manual

ENGINE3-206. Check:• Gasket “1”Damage  Replace.7. Check:• Tightening torques8. Install:• Exhaust pipe protectorEAM30210CHECKING THE COOLANT LEVELWARNINGEWA13030A hot radiator is under pressure. Therefore,do not remove the radiator cap when the en-gine is hot. Scalding hot fluid and steam maybe blown out, which could cause serious in-jury. When the engine has cooled, open theradiator cap as follows:Place a thick rag or a towel over the radiatorcap and slowly turn the radiator cap counter-clockwise toward the detent to allow any re-sidual pressure to escape. When the hissingsound has stopped, press down on the radi-ator cap and turn it counterclockwise to re-move.1. Stand the vehicle upright on a level surface.2. Remove:• Radiator cap “1”3. Check:• Coolant levelMaximum level “a” or below  Add coolantup to the maximum level.NOTICEECA24260• Adding water instead of coolant lowers theantifreeze content. If, therefore, water isused instead of coolant, check, and if nec-essary, adjust the antifreeze concentration.• Use only distilled water. However, if dis-Exhaust pipe nut “1”10 N·m (1.0 kgf·m, 7.4 lb·ft)Exhaust pipe clamp bolt “2”12 N·m (1.2 kgf·m, 8.9 lb·ft)Exhaust pipe clamp bolt “3”12 N·m (1.2 kgf·m, 8.9 lb·ft)Silencer bolt (rear) “4”30 N·m (3.0 kgf·m, 22 lb·ft)Exhaust pipe protector screw10 N·m (1.0 kgf·m, 7.4 lb·ft)LOCTITE®11T R..112243T R. .1. Radiator11