Yamaha Water Pump Impeller Direction

I have torn mine down only to find the impeller is still very much intact and funtionable.

Yamaha water pump impeller direction.

I need to take it apart and turn it clockwise. Water pump impellers are prone to wearing out pretty quickly and should be inspected every 100 hours or once a year. Just place the new impeller on the drive shaft and alingn the keyway and turn the drive shaft the same way as the motor would. As a general rule of thumb the water pump impeller should be replaced every other season.

Posted 03 28 2004 12 47 am et us i just installed a new water pump impeller on a merc 150hp 1500. 6e5 44352 01 00 in stock list price 20 79 3074 impeller water pump yamaha 9 9 15hp 1984 95 cross ref. Impeller rotation direction significance. Pull off the water pump housing.

There is a bushing in the water inlet tube portion of this housing and there is a replacement for this in your sierra water pump kit. Replacing your yamaha 90hp outboard s impeller is inexpensive and gives you at least a year of not worrying too much about the water pump failing on you. You basically have to compress and squeeze the blades as you twist the impeller into the pump preferably in the direction of turn by the engine until the splines on the shaft engage with the impeller hub. 18 3071 6e5 44352 00 00 6e5 44352 01 00 6e544352 804003 879126 88689 mfg part.

No blockage in this outlet either. While trying to get this on i flipped the impeller. I just realized i am not sure if i bent the impeller blades in the correct direction during the installation. Inserting the new impeller into the pump is also often difficult and takes some practice.

Now you can dissemble the water pump. A water pump repair kit is available for almost all outboard models. In owning this motor for 8 years i have found that if you let it set for an extended period of time possibly 6 months that when you start it back up using muffs that your water pump may not pump water out the tell tale hole. Impeller water pump yamaha 115 z300 f115 f250hp mercury 225 efi 4 stroke cross ref.

Peculiarity of this motor water pump. Water pump impeller direction of installation. For steps requiring lubrication use brp triple guard marine grease or mercury 2 4 c marine lubricant. Remove the 4 bolts and the 2 plates.

Which direction to curve water pump impeller blades a look at which way the motor turns will tell you which way to have the impeller blades turned. Learn from my mistake and check.