Just got my JJ-1800 today in the mail.
I will be (attempting) running it up on the weekend. See how and if it fires up.
Doesn't look too bad if i may say so from the outside. only had time enough to take the front cover off but good to see nice 4mm festo fittings for both lines and quite neat.
I had to space out the mounting straps to fit around the engine, i think it is a tad too small. They just provide punched out flat strap frame, you have to bend it up yourself.