forward gear is out on old mercury

jlc · #1 December 26th, 2002, 07:05 AM

Ihave a mercury outboard sn#958803 it is green not black. The forward gear is not working. I've got the foot off of it but I can't get the shaft and gear apart.How can I do this and can I get parts for it? Thanks for your help. J.L.Crouch

Trevor · #2 December 26th, 2002, 08:20 AM

suggest reding a manual this a challenge that requires some knowlege and some special tools chilton or seloc have good manuals out. when you put it back to gether your shimming is vital !!!!

Chinewalker · #3 December 26th, 2002, 11:53 AM

Hi J.L.

Also, your model number would help a great deal. The serial puts you in about 1955. Depending on model, could be any number of things holding you up...

- Scott

rickdb1boat · #4 December 26th, 2002, 12:26 PM

jlc,

The HP would be helpful, also. Many numbers match up to different HP motors.

jlc · #5 December 27th, 2002, 04:22 AM

the model # is 25 Thankyou J.L.Crouch

Chinewalker · #6 December 27th, 2002, 08:04 AM

I'm guessing you mean a Mark 25. I would suggest getting the 1965 and prior Mercury service manual, available from Grubb's Marine at www.oldmercs.com . You'll need to make a tool or two out of some pipe stock to get it apart. The gears themselves are not actually attached to the propshaft. The pinion gear is bolted to the driveshaft...

- Scott