thermastat cant be found? help me?

licketdsplit756

Petty Officer 1st Class
Joined
Jun 15, 2007
Messages
318
j140txccm ser_g7743284 do i need to pull the plastic casing apart to get to where the therm is at. internet shows no therms for a 1988 140 hp johnson was i told the wrong yr. these therms are like plastic cones screwed into a plate with a rubber gasket? please help me locate them # on them is 08lu.?
 

HighTrim

Supreme Mariner
Joined
Jun 21, 2007
Messages
10,486
Re: thermastat cant be found? help me?

You will need to pull the thermostat cover to access them on the cylinder head. T stat assembly part number 0434137, vernatherm part number 0394411, Tstat cup part number 0330273, DIAPHRAGM part number 0394408 and the spring of course too.
 

Vic.S

Rear Admiral
Joined
May 4, 2004
Messages
4,718
Re: thermastat cant be found? help me?

Parts 94, 95, 96 etc in the attached picture
 
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licketdsplit756

Petty Officer 1st Class
Joined
Jun 15, 2007
Messages
318
Re: thermastat cant be found? help me?

all understood i have the therms in front of me do i have to take the plastic cones apart? it looks like a full assembly item all cased into one unit?need more details?
 

mikesea

Lieutenant Commander
Joined
Oct 1, 2006
Messages
1,830
Re: thermastat cant be found? help me?

it will unscrew ,heres the link to your part on this website,support the site when u canhttp://www.iboats.com/Johnson_Vernatherms/dm/*******.100129946--category_id.271266--list_time.1216826540--**********.375562623--view_id.271286
 
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