SO HOW DO I MAINTAIN
The spec chart gives you all the details about the RD 350B, most of the tech specs are very close to the Indian RDs (except for the BHP!!)..
Port Map (courtesy Erlenbach Racing)
If you ever decide to port your RD to the US spec, this port map should help.
PORT MAP INDIAN RD350 LT
PORT MAP INDIAN RD350 HT