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 Catalina 250 Specific Forum
 Honda 9.9 question		  New Topic  Topic Locked
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jlannutti
Navigator

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USA
102 Posts
Initially Posted - 11/19/2009 :  08:32:35  Show Profile
The Honda 9.9 seems to be the engine that most of us have on the 250. I need to replace the water pump and have a question before I tackle it myself. Once I drop the lower unit and remove the extension cover, is the water pump housing easily accessable from that point or does it mean the components below that (the prop shaft,thrust bearings, ball bearings, etc) need disassembly too? I'm a handy guy but unfortunately I've never seen this done before. Taking on that gear case looks a little intimidating. I have a manual that covers many years/models of Honda and it is not nearly as clear as it ought to be. Any advice please!
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Sloop Smitten
Master Marine Consultant

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USA
1181 Posts
Response Posted - 11/19/2009 :  11:02:49  Show Profile
The hardest part is breaking loose the screws holding the lower unit and releasing the shifting rod from the shift linkage under the engine cowl. Once you get into the lower unit the impeller housing is easily accessible. If I recall correctly you do not have to open up the gear case. The impeller housing sits on top of the gear case. There is a bearing that sits just below the impeller that you should check also while you are in there. Just rotate it and make sure it is not growling or binding.
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glen
Captain

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359 Posts
Response Posted - 11/19/2009 :  14:50:10  Show Profile
I did this a while back, but don’t remember the total sequence I went through. I do remember that it wasn’t all that hard of a job. One piece of advice I will offer is to buy the shop manual.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.