SkiDoo

those harmless looking quick couplers can sap your performance if installed improperly!

compare stock reeds airflow CFM and HP to Boyesen Rad Valve reed cages

breakin vs nonbreakin, vs 2013 reflash, vs tweaking timing for max HP, cold engine vs hot engine

compare 2012/early engines, comments by CrankShop engine modifier Will Doe

compare stock reeds to Boyesen rad valve cages

analysis of previous dyno test data may explain the phenomenon

Use the PCV to tune Hindle vs MBRP vs DynoPort quiet muffler for maximum horsepower

test data stock, BMP Y pipe, DynoPort single pipe, more power to come when we can manage fuel flow….

compare stock w/ Straightline, MBRP, Crankshop-DynoPort headers, various mufflers, fuel tuning with Power Commander V

dyno test data optimizing fuel flow with our own pump gas for max HP, compare to DynoPort XP800 trailmod

lower compression forged turbo pistons allow greater power and durability

compare 09 XP800 stocker to DynoPort trail port 800 and Bikeman Performance 880 big bore

compare to preproduction, also with Full Power Perf tuned header and higher flowing mufler

Full Power Performance tuned header with stock muffler/ FP muffler,

six HP printouts, boost adjusted for 87 octane and up to 108 octane, and steps in between

compare lowest boost pump gas setting to higher boost setting

bone stock engine tuned with race gas and boost pressure

part throttle fuel consumption, full throttle HP, compare HP/ TQ to Yamaha Nytro,