Re: replacing the impeller
Welcome to the forum,Don.<br />Working on boat engines is pretty much the same as auto-wrenchin. You allways will do better with the shop manual nearby. After I buy an outboard,I allways buy the manual next. You can't go wrong,and it usualy pays for itself after the first repair.<br />The impellers come impeller only, or in a pack with the pump face and an O-ring.<br />Write the engine's serial number down,as you'll need it to order the impeller.<br />Plan on the job taking 4 hours the first time,and an hour or so any tme thereafter.<br />This is because, (just like all other new tasks), you gotta read a little, wrench a little.<br />There is a prcedure to follow..<br />1. Drain the lower unit into a pan. The oil should of course be water-free.Run a finger thru the drained lube, and feel for chunks of metal, larger then a grain of sugar (smaller filings are normal). If you feel chunks, you have gear damage.<br />2.If there is water in the unit, you will want to install new seals while you have the L/U off.<br />3. shift into forward (engine off).<br />4.Tilt motor up all the way,and lock it using the tilt lock lever.Then,shift t neutral.<br /><br />5. Scribe a mark on the gearcase and the trim tab for reference durring re-assembly.<br />6. remove the plastic cap from the gearcase housing (on the back).Sometimes, these are no longer there .Tey have a tendancy to fal out on thier own.<br /><br />7. Remove the trim tab by unbolting it.<br />8.There should be a bolt under it .Unbolt it.<br />9. Remove the two locknuts forward of the trim tab hole,under the anti cavitation plate.<br />10. Remove the locknut on the front of the gearcase.<br /><br />11. LOOSEN the two locknuts on the sides equally,and drop te L/U slightly.<br />12. Hold the L/U firmly ,while removing the two loosened nuts, and seperate the L/U from the engine.<br />13.sometimes they can be frozen,and take some working to seperate them from the leg.<br /><br />14. Remove the upper reverse locking cam from the shift shaft.<br />Hope this helps you. But the shop manual will set you free.<br />Good luck.
