Knew I'd get a response! HA!
Do I know anything about yaks? Nope. Not a thing. Apart from them being russian. With radials. That leak oil. (kidding)
Do I know how to piss Darrell off? Apparently
Sorry Darrell, but mentioning something about oil leaking when the word Yak is used, is like mentioning the dangers of a certain little airfield, and the deap seated cultural problem of another.
disclaimer: no useful information should be taken from this post, and upon reading, should be aborted from the brain without delay. There.