ho...non ho..?

[jetdoc2]

search did not help me...so question is;
800 skidoo ho and non ho...what specifically is the diff ?
port timing, ignition timing, etc.
around 2003 models. same cases...cranks...???

thanks for the info.

 

[jetdoc2]

cranks are diff....seals/bearings are arranged slightly diff...fyi