Apart from the obvious oil seal, you could also check the breather on top of the final drive. If this is clogged for some reason, then access air pressure (from heating of the final drive) cannot escape and will push oil out through the seals ...
As far as I know, on the FJR the 'third' circuit is switched by a relay that is activated bij de dynamo output.
So if de dynamo produces sufficient power (or: more voltage than the battery voltage), the relay switches on and provides power from the battery to the 'third' circuit.
Maybe you can...
Here in The Netherlands it is quite common for FJR owners to install shorter (or longer) dogbones to increase (or reduce) ground clearance. This is best combined with installing a longer (or shorter) sidestand. These parts are - at least here in Europe - readily available as aftermarket products...
Just take a look at the pictures here: https://www.langewillem.nl/Mijn_FJR/linksys...ink_systeem.htm
(forget thet language - it's Dutch by the way - the pictures tell a 1000 words)
Also see the following thread on the Dutch FJR forum...
The water pump is a unit that plugs in right into the the engine. The shaft does not exit the engine and enter the pump, as you discribe.
There is an O-ring that seals the water pump housing in the engine. Probably you need to replace the O-ring (not too expensive).
Rinosaure.
Here is the link to the related topic on the forum if the website of the Dutch FJR-club: https://forum.fjr-club.nl/topic.asp?TOPIC_ID=7249
Unfortunaltely it is in dutch ... :glare:
The bike was checked by Yamaha NL and the "probable" cause was that one of the ABS sensors was badly corroded...