I've decided (been told!) that it's time to change the gearbox oil in my 1990's Forty Plus. I've already got an unopened tube of Quicksilver Premium Marine gearbox oil lying around in my shed but I can't find the oil weight on the tube nor on the internet.
Cheers for the info 40TPI, I feel a bit less concerned now. I guess I've never seen that stuff before because I'm generally pretty good at flushing the outboard in clean fresh water after use. This gunk materialised after one of the occasions when I didn't flush it and after a longer than usual ...
Hi, I'm new to the forum but have been running a Segull Forty for a couple of years on my mirror dinghy. Last week I noticed that there was no cooling water coming out of the telltale and had to row most of the way home! I don't know how long the motor was running without cooling water being pumped ...