My 2001 150 HP Yamaha OB has a small fluid leak around the tilt shaft on the trim / tilt assembly. I have the manuual but I have a few questions. Can I use a automatic trans conditioning fluid or stop leak product to swell the o-rings slightly. Where can I find the special 4-prong wrench to remove the cylinder cap to replace the O-rings? I am short on cash (lost my job to India) so repair costs are an issue.. Any help will be appreciated