Heres an interesting site.. I havent checked it out too much yet but its got some info anyway..
The ECU is a DIY thing but theres some spark timing info that may be of use. No fuel control at all.
http://www.ckc.u-net.com/ecu/home.htm
and another with some basic diagnostic info
http://homepage.ntlworld.com/dorothy...bemx/p_m19.htm
