Saturday, August 23, 2014

Pulled the flywheels and swapped stators

Since we now had a 6 volt engine in a 12 volt frame, and considering that the clone (12v) engine had electronic ignition, it seemed like a no-brainer to upgrade to 12 volts w/ CDI ignition.  Once we pulled the flywheels, it was evident that the stators should be interchangeable (*after a slight crankcase mod).  We had to drill out one of the stator bolts on the Chinese engine, but both removed nicely from the Honda.  The $8 flywheel puller that I purchased on eBay threaded on very nicely and worked like a champ.  I will be saving that tool, since it should work on a lot of other engines.

The crankcase on the Honda engine had an extra rib that would interfere with the Chinese stator's pickup coil

We used a piece of cardboard to keep the dremel filings out of the crankcase, Kyle's idea and it worked nicely.

After the case modification and just before mounting the stator

This CT70 engine should now produce 12 volts and...  No more points to adjust!

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