hello fellow riders,

I need some assistance I have a 1978 RD 400 that has the neutral and oil light on even when in gear this just recently happend it would always goes out when you shift into gear does anybody out there have a wirring diagram for this bike.

hello fellow riders,

I need some assistance I have a 1978 RD 400 that has the neutral and oil light on even when in gear this just recently happend it would always goes out when you shift into gear does anybody out there have a wirring diagram for this bike.

Best info for old twostroke you can find at http://www.aircooled-rd.com.

Check wiering 1ste at neutral light sw / oiltank sensor .

If wiering to neutral/oil light goes to earth over the frame/ engine , the control light illuminate .

Harry