2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 229Get this manual
Bracket unit NOTE: Repeat steps 56 to fully extend and retract the tilt ram to times If the tilt ram does not move up and down easily, push and pull on the ram to assist the operation7Fully extend the tilt ram8Remove the reservoir cap, and then check the fluid level in the reservoir
5Connect the power tilt motor leads to the battery terminals to fully retract the tilt ram
WARNING
Make sure that the tilt ram is fully extended when removing the reservoir cap, otherwise fluid can spurt out from the unit due to internal pressureNOTE: If the fluid is at the correct level, small amount of fluid should overflow out of the filler hole when the cap is removed If the fluid is below the correct level, add the recommended fluidRecommended power tilt fluid: ATF Dexron II 9Install the reservoir cap, and then tighten it to the specified torqueNOTE: If the fluid is below the correct level in step 8, repeat steps 59 until the fluid remains at the correct levelReservoir cap: Nm (0.5 kgfm, 3.7 ftlb)