Hi Guys

Just Need Help Urgently Guys, Fixed My datsun back it doesn't start

Engine Cranks Properly
Spark is there on the plug
Petrol Pump is working The Carb is half filed with Petrol

But there is no sign of it starts
Push it but still not

Need to Clarify Few Things

The Lower part which we connect Platinum Point(what do you call it ? )on it there are few points A ||||| R Etc, to which point should i keep it ? Could not Check Compression on Today I am gonna to check it, but seems it is ok , What else should i check guys any advice on Please.....

Thanks
Regards
sumith