Im' sure this has been posted before, but hoping to make this a sticky!
Here are links to free .pdf format FSM's for our cars!
S13 with CA18DET:
http://72.29.75.31/~videof6/manuals/S13_CA18DET_FSM.pdf
S13 with KA24E:
http://72.29.75.31/~videof6/manuals/...40SX_89-90.zip
S14 Zenki with SR20DET: (commonly used to work on the s13 engine as well, just be aware of the VTC difference on the s14 engine)
http://72.29.75.31/~videof6/manuals/S14_SR20DET_FSM.pdf
1995 240sx with KA24DE:
http://72.29.75.31/~videof6/manuals/...240SX_1995.zip
1996 240sx with KA24DE:
http://72.29.75.31/~videof6/manuals/...240SX_1996.zip
1997 240sx with KA24DE:
http://72.29.75.31/~videof6/manuals/...240SX_1997.zip
1998 240sx with KA24DE:
http://72.29.75.31/~videof6/manuals/...240SX_1998.zip
S15 FSM (English Manual, and very well put together/organized. You should be able to use this FSM much as the S14 Zenki DET one for engine work...again be aware of the VTC differences) :
http://72.29.75.31/~videof6/manuals/s15_SR20DET_FSM.zip
R32 Skyline with RB26DETT: (Can be used for those who drop RB's in their S chassis cars!)
http://72.29.75.31/~videof6/manuals/...ice_manual.pdf
RNN14 Pulsar GTiR with SR20DET (AWD) (Not a full FSM, just clips from it):
http://72.29.75.31/~videof6/manuals/...20Excerpts.zip