ZDZ 80 twin. Can it be upgraded to 100NG?
05-24-2005, 10:29 AM
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ZDZ 80 twin. Can it be upgraded to 100NG?
The ZDZ 80cc twin looks identical in dimensions to the 100cc "NG" twin, except 5 ports for the 100cc engine and 3 for the 80cc engine, and increased bore. Stroke and other dimensions appear the same. Could it be that changing out the pistons and cylinders would allow my 80 twin to be upgraded to the 100NG? Or does the porting geometery start in the case? If the upgrade is possible I would think a kit for low time 80cc engines would be a good seller for you. 40% increase in thrust.
