* 883cc (or 883ci): This is the smaller engine option, often found on the Sportster 883 model.
* 1200cc (or 1200ci): This is the larger engine option, often found on the Sportster 1200 model.
Note:
* There are also some Sportster models with larger engines (like the Sportster S with a 1250cc engine), but the 883cc and 1200cc engines are the most common.
* "cc" stands for cubic centimeters, and "ci" stands for cubic inches.
To determine the exact engine size of a specific Sportster model, you can consult the manufacturer's website or a Harley-Davidson dealership.