Recent content by Don

Parts Diagrams (by engine serial number).

That is correct for most STANDARD Optimax Models, and a FEW really early 250 XS engines. No air filter on the 3L XS or ProXS models (with one exception- some 200 ProXS engines "do" use one). Can be deceiving- there's a rectangular plate on the bottom of the flywheel cover that "appears" to be...

Not on an Optimax- only thing that ever goes through the intake is OIL and AIR. It's the sticky nature of Storage seal that becomes the problem for Optimax DI's. Craig can correct me if I'm wrong here Aaron... I think he had discontinued using the recommended additives/oil, and moved to...

I would like to add three (3) things I've had to learn the hard way during my career: 1: Just because you do not know how to do something does not necessarily mean it "can't be done". I set out to prove "can't" in regards to this topic once... I was determined to succeed. I learned this...