Advice on cleaning the engine.

[stevierst]

Depends how you use the bike, i'm all year round, so oil and grease stays on the engine throughout winter to protect from general crap and salt.
I only tart it up in forecasted good weather!

That's exactly my train of thought. If you leave the crap on your bike, it prevents further crap getting to the bike
Or is that just me being a lazy got and not washing it :rolleyes