Thanks for the help!
Don't bother with the CDI, I have never heard of one that really did malfunction, try disconnecting the voltage regulator first and see if the bike runs better, report back when you have tried this...........I have an 04 raptor that I believe has a bad cdi. I have compression spark and fuel but my bike just sputters and wont start. My carbs have just recently rebuilt. I am thinking that my cdi my be on the way out. I borrowed my friends 01 cdi and was going to try the wire swap but am not sure what the best way to remove the pins from the connectors is without damaging anything. Any advice would be greatly appreciated!
Okay I want you to read this...........It wont run at all just cranks over and backfires through the exhaust during cranking..............
All the CDIs fit from one year to another on all the 660s, but the 01 harness must have wires switched to fit a CDI from 02 and up.............Hi I've heard that the difference is between 01, 02-03, and 04-05 is the cdi is different on these. I have a 2001 660 and when 2nd blew out I replaced with a 2004 engine with no troubles.Everything fit perfectly. When I changed the wiring to a 03, I had to get a cdi from my 02-03 because like the diagram it didn't match. I'm think I checked but I don't think the cdi from a 02-03 will fit on a 04-05 wiring harness. The wiring might be similar but the plug is different. Yeah yamaha even verified this but I"ll double check and let you know for sure. Dave9640