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2013 Spyder 156hp is it possible?
- Thread starter SERGIU
- Start date
These Rotax 998cc engines are used in other 'non-Spyder' applications with better numbers than that straight out of the box; so YES, even with not much more than an air intake & exhaust upgrade plus a good ECU map upgrade, it's certainly possible to achieve that sort of output! 
hyea:
However, given the above, I'd expect somewhat better results from a well thought out turbo installation! :thumbup:
hyea: However, given the above, I'd expect somewhat better results from a well thought out turbo installation! :thumbup:
Aprilia got over 130 HP from the 998cc Rotax in their Tuono and the 995cc Ducati twin is 155 HP, so 156 is certainly achievable with some hotter cams, free-flowing intake and exhaust, a good ECU tune, some judicious cylinder head polishing and porting, larger valves, and balancing and blueprinting internals to allow higher RPMs. Or a small turbo, free-flowing exhaust, and a tune would get there as well. I'd be more inclined to just start with a more potent existing engine and find a way to make it fit.
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