Tstat tip needed

pieman22

Cadet
Joined
Jun 21, 2011
Messages
11
I have a 1992 115 HP V4 and I need to replace the Tstats. Wow what a hassle to get to the bolts! Any tips in making this task a little easier would be greatly appreciated.
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: Tstat tip needed

Use 1/4" drive tools. You may also have to drill some holes in the back lower cowl to get at the bolts but you can get some rubber plugs at any parts house to plug them. If this mtr has been in salt water a mapp gas torch would also be a good idea.
 

RZR2007

Petty Officer 2nd Class
Joined
Apr 6, 2011
Messages
137
Re: Tstat tip needed

Use 1/4" drive tools. You may also have to drill some holes in the back lower cowl to get at the bolts but you can get some rubber plugs at any parts house to plug them. If this mtr has been in salt water a mapp gas torch would also be a good idea.

This is excellent advice, I've machined a pocket in a few of these older motors around here, then machined a piece of UHMW to fill the void, that is held on by the cowling.
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: Tstat tip needed

There was a thread on here a while back where the guy cut out the lower part of the cowl and then put it back in with alum strips for backing and pop riveted it back together. He posted picts and it looked pretty good.
 

RZR2007

Petty Officer 2nd Class
Joined
Apr 6, 2011
Messages
137
Re: Tstat tip needed

Sure makes things ALOT easier to get too! I'll have to find those pics. How did he fill in the cut line?
 
D

DJ

Guest
Re: Tstat tip needed

If you drop the shroud around the mid section, that allows you to drop the lower cowl a few inches.
 

DargelJohn

Petty Officer 1st Class
Joined
Feb 14, 2010
Messages
337
Re: Tstat tip needed

One more method...I took an old pair of water muffs, cut off the loops, rounded off the ends and slipped pieces of rubber hose over the forks. Stick the forks down in the pan and use leverage against the T stat housing. This gives you enough spring compression to start that middle bolt.
 

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wayneo99

Petty Officer 2nd Class
Joined
Oct 14, 2005
Messages
151
Re: Tstat tip needed

when i did mine this spring the mechanic/dealer gave me upgraded bolts that use a 3/8 head instead of the 7/16 which makes it easier to use a1/4 universal socket and push in the housing as you begin to catch the bolts.
 
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