Operation603. Insert the dipstick and remove it again.Be sure to completely insert the dipstickinto the dipstick guide, otherwise the oillevel measurement will be incorrect.4. Check the oil level using the dipstick tobe sure the level falls between the upperlevel mark and lower level mark. Consultyour Yamaha dealer if the oil level is outof specified level or if it appears milky ordirty.F115A, FL115A, F115A1, FL115A1F150A, FL150A, F150A2, FL150A2, F150BEMU27154Engine Check the engine and engine mounting. Look for loose or damaged fasteners. Check the propeller for damage. Check for engine oil leaks.EMU36494Flushing deviceCheck that the flushing device’s garden hoseconnector is securely screwed on to the fit-ting on the bottom cowling. NOTICE: If thegarden hose connector is not properlyconnected, cooling water can leak out andthe engine can overheat during operation.[ECM01802]1. Oil dipstick1. Lower mark2. Oil dipstick3. Upper markZMU042571ZMU020821 3 21. Oil dipstick1. Oil dipstick2. Lower mark3. Upper markZMU0622111 32ZMU07056