Twisted28 said:
Do all Grady's have the Vented #541 cap as stated in the link for the locking gas cap? I have a 91 Marlin 280, with teh cap mentioned here work?
I wasn't sure if I had the #541 on mine, but looking into it further, I found there are other models that the lock fits into as well. Not just the #541. According to what I could find, it fits these models: 0540, 0541, 0580, 0581, 0582, 0583, 0590, 0591, 1318, 1319.
You might want to contact Grady White Customer service to inquire as to what model may have been used in '91. The insert does say it's for the vented caps, so if yours is non-vented (and if so, I would expect you would have a separate vent on the side of the hull), it might not work. If yours is vented, but not one of the models listed, perhaps you could replace your current one with one of the models listed.