collapse

Advertisement


Author Topic: Water pump impeller  (Read 1711 times)

Offline TSLPE

  • Non-Hunting Topics
  • Trade Count: (0)
  • Tracker
  • **
  • Join Date: Oct 2010
  • Posts: 59
Water pump impeller
« on: July 31, 2024, 08:48:48 AM »
Buddy has a Yamaha 9.9 4 stroke. Can't get the lower unit to separate to get to impeller. Believe it just has the 4 bolts and the shift linkage. Have watched numerous you tube videos. Shouldn't be that hard to separate them. Any ideas to get them apart?

Online Mtnwalker

  • Political & Covid-19 Topics
  • Trade Count: (+2)
  • Sourdough
  • *****
  • Join Date: Aug 2015
  • Posts: 2297
  • Location: Selah
Re: Water pump impeller
« Reply #1 on: July 31, 2024, 08:53:10 AM »
Does it have the zinc on the underneath of the anti cav plate? My bigger motor has a hidden bolt under that

Online Crunchy

  • Political & Covid-19 Topics
  • Trade Count: (+2)
  • Frontiersman
  • *****
  • Join Date: Apr 2007
  • Posts: 4968
  • Location: Puyallup
Re: Water pump impeller
« Reply #2 on: July 31, 2024, 08:58:59 AM »
I just checked mine out and looks to be correct.  4 bolts and linkage.

Offline fishngamereaper

  • Trade Count: (+7)
  • Old Salt
  • ******
  • Join Date: Oct 2011
  • Posts: 8768
  • Location: kitsap
Re: Water pump impeller
« Reply #3 on: July 31, 2024, 09:47:26 AM »
Shaft spline is probably corroded.
PB blaster
Put it back together. Run it and warm it up. Work the linkage
Immediately try and disassemble.

Online HntnFsh

  • Washington For Wildlife
  • Trade Count: (+5)
  • Old Salt
  • ******
  • Join Date: Jul 2007
  • Posts: 6250
  • Location: Toledo
Re: Water pump impeller
« Reply #4 on: July 31, 2024, 11:01:25 AM »
Tap around the lower unit with a dead blow or rubber mallet. Even tapping down on the cavitation plate. You can smack them pretty good, but be careful and don't abuse it. It'll come off. Just need to get it started. I usually work around the lower part of the lower unit. It puts mire force up high without a ton of abuse. Tap. Side to side and front to back also.

 


* Advertisement

* Recent Topics

Bowfishing on the Snake River by Machias
[Today at 11:13:06 AM]


Mt. St. Helens Area – Muzzleloader Deer & Elk Advice (Back After 12 Years) by HntnFsh
[Today at 11:12:56 AM]


Calling in August in Western Washington by logola512c
[Today at 10:22:19 AM]


Ross Lake boat launch? by cjjcb
[Today at 10:14:59 AM]


2025 Montana alternate list by Fletch
[Today at 09:44:18 AM]


Mt. St. Helens Goat by hunterednate
[Today at 09:30:03 AM]


Selling Pistols and rifles by Rat44
[Today at 09:12:24 AM]


Alaska 2025 by bearhunter99
[Today at 08:55:43 AM]


AUCTION: Custom knife by Alden Cole by A. Cole
[Today at 07:44:36 AM]


Lots of coho by 3boys
[Today at 07:03:24 AM]


Stealth Cam QV20 by kodiak06
[Today at 06:54:42 AM]


Apps per Tag for Muzzy Elk by trophyhunt
[Today at 04:26:16 AM]


Muzzleloader Scope by Dan-o
[Yesterday at 08:24:45 PM]


Gots me a new/old rockchuck rifle coming by JDHasty
[Yesterday at 07:54:20 PM]


Muzzleloader scope options by trophyhunt
[Yesterday at 06:13:21 PM]


newbie bear field dressing and hide by KNOPHISH
[Yesterday at 05:21:23 PM]


GMU 247 Entiat bear hunting by jstone
[Yesterday at 04:58:38 PM]


More Kings! by Crunchy
[Yesterday at 04:38:57 PM]


Spot lock in the salt? by GWP
[Yesterday at 08:04:10 AM]


Anybody breeding meat rabbit? by HighlandLofts
[Yesterday at 02:36:05 AM]

SimplePortal 2.3.7 © 2008-2025, SimplePortal