Looking for carb data on 25/30 HP

[fucawi]

Well the morons have been at me new $35 30 HP 303H9c 1979...some idiot drilled out the main jet and its so mauled I cant find a number ....done a search but no information ...anyone got the carb data ..not in my manuals..or an internet reference ..
bet frank knows ....!!!

thanks in advance

 

[Nordin]

Re: Looking for carb data on 25/30 HP

What carb do you have? I have a couple of 25 and 30Hp (73 to75). But I thing the carb is the same. Then I can take a look.

 

[carholme]

Re: Looking for carb data on 25/30 HP

Here is the parts list for the 303H9C (1979):

http://www.crowleymarine.com/mercury-outboard/1977.cfm

Gerry

 

[fucawi]

Re: Looking for carb data on 25/30 HP

Nordin thanks ..take the exhaust side cover plate off before its too late ..mine corroded right through on rear side ..blind compartment full of salt/sand ..filled with epoxy putty.

carholme....very usefull site I have manuals but no parts list ...

 

[Nordin]

Re: Looking for carb data on 25/30 HP

Fucawi shall I take a look what size the mainjet has? I have no problem with saltwater, I am driving in a small lake without saltwater. Has 4, 30Hp and 2, 25Hp.

 

[Nordin]

Re: Looking for carb data on 25/30 HP

Update, checked in my workshop manual and 30Hp jet size is 0,064 for 0-3000ft elevation, 0,062 3000-5000ft, 0,060 5000-7500ft and 0,058 above 7500ft.