* Extended cylinder skirt for stroker issue -

Falicon link below states (for their 108 to 110 mm evidently) case mods, counter balance, and custom piston; so assume extended skirts (big Bore) are not required. JE piston specs for stock piston just require deglazing cylinder so that's a match as well.

http://www.faliconcranks.com/rotax.htm


** AL cylinder material compared to Stock Cylinder material -

For the time being, I'll assume if change oil routinely, that the wear rates are near same: one has better cooling/lubrication and the other has denser material.


1 - Piston CR requirements for stroker -

Would 10.5:1 CR forged pistons be high enough to satisfy the 5mm stroker requirements with no case mods?
Assuming this should work, the 'Custom pistons required' on Falicon rotax stroker specs may mean special gas porting on rings/piston.
I was just afraid of the Super HPR piston would be 12:1 CR minimum and need double thick turd knocker head/base gasket for 1.5 CR difference.
That may be the technical barrier and the big 'secret' why this is not practical or feasible.


I am just trying to figure out where the hell I'm at.


Thanks for all your expertise!!

 

The 5mm stroker may not be feasible for the street. There is no evidence of owners to ask questions.