The system only allows for 20 characters for the street address
Is the street address or city name is too long to fit in the field ?
yes the address is
You can follow our guidelines in the order I give to you until the information fits. Start by using numbers instead of words for the house number.
can I abbreviate?
If the street name is a word which has an accepted abbreviation use that abbreviation.  You can also abbreviate the street type or just leave it out.
like what is an accepted abbreviation?
The name of a state for example
will do that, also why is my name shortened on my registration?
Due to limited space in the DMV registration system, your name may be shortened to fit on the document. The document is valid with the shorter name.
is there a list of what I will need to register my snowmobile?