Here is a piece of flow control for changing the diameter of a twin cylinder crankcase. Just add the appropriate verbage into your features and dimensions.
VERSION =COMMENT/INPUT,YES,'IS THIS TWIN CRANKCASE VERSION 24560...
,
,1. 13?
,2. 17?
,3. 35?
,4. 52?
,'
SELECT/VERSION.INPUT
CASE/1
ASSIGN/SLEEVE_DIAMETER = 73.8
END_CASE/
CASE/2
ASSIGN/SLEEVE_DIMATER = 76.9
END_CASE/
CASE/3
ASSIGN/SLEEVE_DIAMETER = 79.9
END_CASE/
CASE/4
ASSIGN/SLEEVE_DIAMETER = 79.9
END_CASE/
DEFAULT_CASE/
COMMENT/OPER,NO,INCORRECT VALUE INPUT FOR VERSION NUMBER
GOTO/ENDO
END_DEFAULTCASE/
END_SELECT/