SX/SXi/SXi Pro ? about 750 sx start issue.

[LiquiDasylum]

The engine wont start at all when the start is held down, but sometimes on release it will turn over a couple times. Someone in another thread noted that this indicates something... Any ideas?

 

[jetman624]

It does, I have seen this issue before, but can't remember what the solution was. Do a search on pwctoday.com.

 

[tor*p*do]

bad ss switch or connections

 

[john zigler]

so, when you push the green button, the motor does not crank at all?

if so, start with the start switch assy. atke it apart, and clean the internal contacts. be carefull NOT to loos the small spring inside.

if you motor cranks, but does not "fire" and you see a small spark upon releasing the start button, THAT typically is a bad stator....

 

[LiquiDasylum]

Thanks everyone for the input. The engine does crank just only fires a couple times on release. Thing is I had the stator rewired by jetski solutions thinking that was the problem. I checked the plugs and saw only a single spark on release. The coil has also been replaced. ughhh im stumped. Going to check all the connections this weekend.

 

[LiquiDasylum]

fell across some more info, so it's possible that its a bad battery. the starter pulls all the amps to crank causing the spark on release of start. lol wow if it was the battery the whole time.......

 

[Jace]

The cdi gets power directly from the charge coil in the stator, so it is very important that you have a good battery so that while cranking you have sufficient rpm to generate the required voltage for the cdi. A good battery is always required for one of these systems. If you are still having issues check your magnets in the flywheel as they lose there magnetic field and therefore do not allow sufficient voltage to be generated.

 

[LiquiDasylum]

Good to know

 

[swannysxr]

All the above ideas everyone gave you can be checked with a multimeter. The charging coil and stator produce AC voltage on the mV scale. Look at the 4 pin connector going into your e box, blue and green wires are your pickup coil, check resistance specs are 400-600 ohms, if ok check on AC mV scale should produce atleast 450 mV or .045V. If your running that R&D timing advance plate, I've seen those loosen, and cause too much air gap, which will do what you are describing. The 4 pin switch from S/S switch can be checked, but if it cranks thats not the problem. hope some of this helps.

 

[LiquiDasylum]

Thanks, yeah looks like I have to check everything with the multi again. After the new battery im strumped. I have a much stronger spark but like before only a single spark on realease. So far I've changed the ignition, coil, boots, rebuild stator by JSS. I do have an advance plate but it was installed w the new stator.

 

[swannysxr]

Any updates on this?