Timing marks for a kr51/1

If you have no marks on your fly wheel, adjust your piston to the top dead center (tdc) and make a mark on the top postion of your fly wheel. Then turn the fly wheel to the left to mark the right ignition timing while transfering the mark from the fly wheel onto the engine housing. The ignition timing has to be 1.5 mm before tdc. Therefore you have to messure the way of the piston from tdc to 1,5 mm before tdc. Preferably you use a dial gauge for messuring the ignition timing. To check the ignition timing a ignition timing pistol is needed. Then you can see if the mark on the fly wheel and the mark on the engine housing fit togehter or not.
Conerning to you second question, the standard needle hight is mostly the third or the fourth notch from above. But it depends on the carburettor.
look here: http://www.mopedfreunde-oldenburg.de/html/vergaser_16n1_16n3.html

That has nothing do to with the ignition itsself. Therefore you have to check your electrical wiring. What kind of ignition do you have?

Zitat von tommi123

Thanks for your quick reply seems to run ok but not been tested on the road.does not turn off on the ignition switch? This is new ????

The brown/white cable on your ignitionswitch is for interrupting the ignition, just look along that cable.
It should end at your Ignition if you have an contact breaker or it ends on your "cdi" if you have an electronic ignition.

Zitat von tommi123

Points system brand new switch??

Please take care that most of the users here are Germans. So try to write not only short sentences rahter writing detailed descriptions of you issues...

There has to be a connection between number 31 of the switch and ground. If this doesn't exist, you have to put an electric wire from number 31 of the switch to ground. On number 2 of the switch has to be the brown/white electric wire comming from the igniton (4 elctric wiring comming from the engine housing - one of them is brown/white). If these two cables are do exist, the switch could be broken.

Then put the battery of an start your engine again. But normally the battery has nothing to do with the ignition.

Try to read the wiring diagramm find the mistake at your wiring harness.

Please figure out if you have not mistaken the numbers on the switch up/down, it's a bit confusing. Try to search for a single wiring point and you can see if you have wired it the right way