How can you tell the difference between a 110cc and 49cc mini chopper if it isn't stamped?

The 110cc. Engine will make the bike go about twice as fast as the 49cc. Bike.

If you can't figure that out than you shouldn't be riding a pocket bike Answer Piston size. A 110cc will be massive vs. a 49cc. Block sizes are also a good way to judge.

Google it for actual sizes.

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