There's a post in here somewhere that list all the models and their HP. I'm pretty sure the Rubi is about 33 HP give or take. Not sure what you can get out of it. But for general info, my 04' Rubi is about 33 HP and 500cc and my 03' Rincon is about 32 HP and 650cc, the speed difference is in the trans and gearing Is what they tell me.
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