TRforlife Posted June 28 Share Posted June 28 I’m replacing a grinding starter on a thumper 650 and I want the wipe down the crankshaft sensor as well. I can’t seen to locate it in any of the parts fiche. Thanks! Paul Link to comment
dirtrider Posted June 28 Share Posted June 28 9 hours ago, TRforlife said: I’m replacing a grinding starter on a thumper 650 and I want the wipe down the crankshaft sensor as well. I can’t seen to locate it in any of the parts fiche. Thanks! Paul Morning Paul The wires for the crankshaft sensor come out of the case next to the stator wires. Link to comment
TRforlife Posted June 28 Author Share Posted June 28 Ok, thank you! That gives me some direction. Thanks! Link to comment
dirtrider Posted June 28 Share Posted June 28 2 minutes ago, TRforlife said: Ok, thank you! That gives me some direction. Thanks! Morning Paul Here is a better look at it's location. Link to comment
TRforlife Posted June 30 Author Share Posted June 30 Again, thank you! I appreciate the followup. I don’t have a shop manual and the parts fiche just don’t give necessary detail. Have a good one! Paul Link to comment
TRforlife Posted June 30 Author Share Posted June 30 Ok, I got the cover off and inspected the pulse generator. I measured the ohm resistance at .250 or so. What is the spec for the pulse generator? I don’t know if that’s in the acceptable range or not. thanks, Paul Link to comment
Camhead64 Posted June 30 Share Posted June 30 Curious why you would think the sensor is bad and in need of testing? Link to comment
dirtrider Posted June 30 Share Posted June 30 8 hours ago, TRforlife said: Ok, I got the cover off and inspected the pulse generator. I measured the ohm resistance at .250 or so. What is the spec for the pulse generator? I don’t know if that’s in the acceptable range or not. thanks, Paul Morning Paul I don't have the exact BMW specs on that sensor handy (usually on the 650 bikes somewhere between 200 & 300 ohms is good to go). If it starts & runs and doesn't faulter at higher RPM's and/or a GS-911 doesn't show a "speed sensor (rpm), signal implausible" ignition fault then your sensor is probably good. Link to comment
TRforlife Posted June 30 Author Share Posted June 30 So, I got this bike from a storage auction. It unfortunately was abused and has not run in quite some time. So, now trying to get it fired up and it doesn’t want to start. The starter appears to be bad as it pops in and out of gear while engaging it. I bought the Motoscan cable and down loaded the app to try to get some clues and the code said something about a crank sensor. Thinking that maybe the starter gear metal may have corrupted the pulse generator magnet and the signal. But that looks clean. That’s why I was testing it. Link to comment
TRforlife Posted June 30 Author Share Posted June 30 Obviously, there a a few reasons why a bike won’t start so I’m trying to check off the boxes. Unfortunately, the previous idiot, I mean owner, punched out the ignition switch and the gas cap. I suspect he lost the key. So, I am also trying to figure out a gas cap mechanism. I have the outside cover but all the green plastic on the inside is gone. Of course they are no longer available. Nothing on EBay. I have a 2008 RT that I love but wanted a little adventure in my life. This G650 needs some love! Link to comment
TRforlife Posted June 30 Author Share Posted June 30 I did pull the fuel injector and ran carb clean through and got that the cycle. Fuel pump works. I do need to confirm spark. Link to comment
dirtrider Posted June 30 Share Posted June 30 Morning Paul What year are you working on, that will help us figure out the system. Link to comment
dirtrider Posted June 30 Share Posted June 30 Afternoon Paul With the engine cranking see if you have 12v on the red/yellow wire going to the fuel injector & to the ignition coil. This is a good starting point to know what side of the system to start looking at. Link to comment
TRforlife Posted July 1 Author Share Posted July 1 Ok, will do. Thanks for the suggestion. Paul Link to comment
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now