fuel nozzle gasket

[janis]

hi there,i am rebuilding a carburetor 1969 33hp evinrude.the kit i am using does not include a nozzle gasket,i pulled a big fat rubber one out of carb,on tear down.do i need one in this 69?looking in the manuals,some show a gasket,some dont.also confused about the needle valves,high speed,and low speed.the long tapered one,is that the low speed?the some what shorter round nosed one the high speed?thats what i get for being in a hurry.thank you,hope some one can shed light on this.

 

[F_R]

Re: fuel nozzle gasket

hi there,i am rebuilding a carburetor 1969 33hp evinrude.the kit i am using does not include a nozzle gasket,i pulled a big fat rubber one out of carb,on tear down.do i need one in this 69?looking in the manuals,some show a gasket,some dont.also confused about the needle valves,high speed,and low speed.the long tapered one,is that the low speed?the some what shorter round nosed one the high speed?thats what i get for being in a hurry.thank you,hope some one can shed light on this.

Ppointy one is slow speed. Blunt one is high speed. It doesn't use a nozzle gasket, nor does it need one.

 

[janis]

Re: fuel nozzle gasket

thank you for your help Admiral,after researching a little more,it turns out that i have a 40 horse carburetor planted on my 33hp evinrude,that's why it had the nozzle gasket.will this carburetor work ok for the 33hp?thank you for the help

 

[F_R]

Re: fuel nozzle gasket

thank you for your help Admiral,after researching a little more,it turns out that i have a 40 horse carburetor planted on my 33hp evinrude,that's why it had the nozzle gasket.will this carburetor work ok for the 33hp?thank you for the help

Well, maybe it will and maybe it won't. As a general rule, it doesn't work to put on a larger carburetor than it is supposed to have. The reason is, the carburetors are designed to work with a certain volume of air flowing through it (Cubic inches per time period). A 40 hp breathes more cubic inches than a 33, so it has a larger carburetor to match.