Shenke 150cc P.O.S By edd (Read 5,340 times)

[sprocket]

So if you have voltage on the red and black wire then it has to be a problem down stream.. either the CDI, ignition coil, high tension lead or plug boot or plug...

You are holding the metal of the plug against the valve cover or engine aluminum when you are testing it? Or against bare metal of the frame?

You would be surprised how many people are holding it up in the air and expect it to spark ;-)

[edd]

Probably will do that, but i will be honest with you the 300 win mag and a couple of targets taped to this thing is really starting to sound pretty good right about now. lol

[edd]

right to clean bare metal. New coil / wire / everything that has to do with the charging system $ 200 bucks worth

[edd]

Sprocket, tell me exactly how to check the black and red wire again. the one on the cdi. or the one coming from the pickup coil / Stator. meter red to wire meter black to ground. I have tried so many different variations i dont know whats up and whats down anymore

[sprocket]

Unplug the CDI. Set the meter on AC power maybe 120 volts...

Put the black probe on a good ground and the red probe on the red and black wire in the CDI plug.

Then try and start the scooter... your meeter should read above 50+++ volts AC power.

The set the meter to maybe 30 volts AC and do the same thing on the blue and white wire in the CDI plug. You should get about .5 to 1 volt AC power...

If you get no voltage on the red/black the stator is defective. If you get no voltage on the blue and white the pick-up coil is defective...

The engine MUST be turning for both of these tests...

If you don't have a red/black wire coming from the stator to the CDI you have a DC system and Bashan will need to help you...

[terrilee]

sprocket,
im almost sure its my same scoot
so it would be AC

[edd]

Its AC. I tested it and am getting nothing to the CDI on the red/black wire. so i am taking it back to the shop tomorrow and they will replace it and test the cdi also. i will let you know next week once i get it back. thanks for the guidance.

[terrilee]

i realize ur not "in a happy place" right now
but i should would like a pic of ur scoot

[sprocket]

If you are getting nothing on the red/black the stator is shot.. the CDI is probably fine...

Good luck... stators can go bad right out of the box...

[imnts2]

I know you have some really good help working with you on this one, but I note you have not said you have a VOM. do you? If not your need one. Harbor freight

You did a lot of work so I am sure we all hesitate to make you do things over but I will.
Have you got a new plug? A real NGK? Get a blanket over you. It is easy to not see the spark.

Did you ever figure out what it was that failed the first time? Of did you change all at once?

Now I will shut up and watch what happens.

[edd]

Well finally got the word from the shop. The new CDI box they put on was bad, they found out after replacing the kill switch then they replaced the stator as well. now it runs great but will not turn off, got to love this thing. I know they will figure it out pretty soon, and i'll be buzzin around town on this thing.

[terrilee]

MAN

oh man oh man

think you better start doing all your work urself. lol
the shop replaced the ignition and now it wont turn off !

im not thinking clear right now,
so maybe the MECHS will be here soon.

[edd]

Okay, well go it back. the rectifier was bad. they replaced it and it runs good and turns off too! what a concept. Now for the newest development. At idle i have no head or tail lights. as i rev it up they start working. as soon as it goes to idle, they go out again. I have 12v to battery and as i rev it, the voltage also increases. signals work great and high beam switch does what it needs to. any ideas? I think when i put the new mirrors on it, this baby is going up for sale.

[sprocket]

Likely the wrong rectifier..it should be putting out around 13.0 volts at idle to the battery...or the stator is failing..there isn't enough voltage for some reason..

Your headligts could be AC or DC it would help to know which they are..

[edd]

how can i tell which it is ac or dc