ORIGINAL: Truckracer
I'm guessing hidden in there, you'll find a CH ignition which is still a fine product. Some say, none better has been produced. If so, you may want to update the plug caps, etc. I guess you'll find out for sure when you uncover the ignition box.
CH was a fine product no doubt however this one looks to be very old and will not have the Syncro Spark unless it was updated at some point. That means fixed ignition timing. With a newer ignition will come easier starting and more power with an advancing timing curve. I would not want to hand flip 150cc that has around 12 degrees ignition advance.