Easy day - no sleet? Make that owner spring for a front mudguard. Thanks for showing this one in a bit of real mud! that's a fine trail engine - is the primary gearing stock?
There was a front mudguard with it, but it was starting to go dark and I didn't have enough time to fit it and take the ride, so I got dirty instead!
I don't know about gearing, but there is quite a large sprocket around what appears to be a 7 inch brake drum.
B.W.