1959 Evinrude Lark 35hp Carb needle packing washer

[showngo2000]

I rebuilt my carb this past spring and have been living with loose carb needles ever since. Can I buy and install the packing washers without removing the carb again? Does anyone know how many should be in each needle (high and low speed)?

Thanks for the help! Been a great summer.

 

[oldboat1]

A couple of washers on each needle. The gland nut should hold the needle in place, though (goes over the needle, and screws into the carb body).

 

[showngo2000]

The needles are staying attached to the carb just fine, so I think the gland nut is ok. They just won?t keep their positions when the motor is running. I?ve had to re-adjust the needles when the motor starts due to the vibrations.

 

[oldboat1]

That's the function of the gland nut, though, It should be tight enough to keep the needles from losing their settings, but not so tight that you can't make adjustments.

 

[Joe Reeves]

Washers = # 307583

 

[showngo2000]

Ok I just went and tightened both gland nuts on high and low speed needles. It tightened up just a little bit, but the needles are still pretty loose. Should I try packing them again with washers or just go ahead and get gland nuts to replace them both as well?

 

[oldboat1]

Add packing washers (no need to remove carb to do it). If you have a local shop, get supply of them for this and future use (Use the pn Joe Reeves supplied above, or take the needles in to a shop and get a fit.)

 

[oldboat1]

Strikes me you may not have the needles fully seated (although don't want to over tighten, particularly the l.s. needle with the sharp point.) I always suggest that you dry fit that needle with the domed fitting removed -- allows you to see and feel the fit when it's fully closed.

With the carb assembled and installed, seating the needles is a matter of feel. Take them out all the way and check for old packing washers. The '59 also has a needle valve bushing -- might check to be sure that's in place (think it should come out with the needle.)