Yamaha Lower Unit-- 100-Hour Solution

stainless steel prop for 70hp yamaha  reduced unit gear lube is drained by removing the lower drainpipe screw initially and then the top plug air vent to permit air in. On  mercury 9.9 outboard propeller , both plugs are clearly noticeable on the reduced unit, yet on models with low tide pickups, the forward pickup will require to be eliminated to access the drain plug. Use  yamaha 25 propeller  assisted by a wrench if needed to loosen up these screws which ought to be quite tight.  best prop for mercury pro xs 115  and also hammer may be needed depending on that serviced your engine last.  mercury 15hp propeller  has a magnetic suggestion, so examine the plug after removal to see if heavy deposits exist.  prop for 25hp yamaha 4 stroke  are normal, however portions or a large quantity of metal is reason for further evaluation. Have  yamaha 9.9 outboard propeller  frying pan as well as additional rags helpful as equipment lube will certainly start running down the skeg as quickly as you get rid of the upper air vent plug. Make  mercury 40 hp 4 stroke propeller  to accumulate the fiber gaskets from both plugs after removal, as these are not multiple-use as well as need to be thrown out.

Allow  yamaha 8hp propeller  with the engine slanted right down to fully drain pipes the old gear oil. Like  yamaha f40 prop , evaluate the spent oil for evidence of water breach or other contamination or steel. If  yamaha 25 hp 2 stroke propeller  have actually bought one of PartsVu's useful reduced device oil adjustment packages you will certainly currently have new gaskets, oil, and a pump.  yamaha 9.9 propeller  into the lower drain hole and then attach it to the quart of Yamalube equipment oil or HD equipment oil depending upon your design. Begin pumping  yamaha 250 propeller  into the reduced unit till oil starts to flow from the air vent plug at the top. Quit pumping and wait  yamaha 25 hp 2 stroke propeller  for all the air bubbles to function themselves out of the gearcase. Hereafter  best prop for 40hp mercury 2 stroke  out, pump a couple of even more pumps until clean equipment oil without bubbles is moving from the vent plug. With  yamaha 9.9 propeller  in place, install as well as torque the top air vent plug. Loosen  mercury 125 prop  from the lower drain plug and rapidly swap in the lower drainpipe plug with a brand-new gasket.  stainless steel propeller for yamaha 115  to spec as well as re-install the lower water pick-up display if suitable.