thanks to Kevin Cameron, Sean Ray, Jim Cooper and Billy Howard for trying to solve this mystery
ETEC vs SDI 07 & 08 meaningful airflow and HP comparisons
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Yamaha SRX/ SXR triples Bender big bore 835/ 800
modernizing the 2000 era Yamah triples to modern HP and performance, low total buck, big output
one more09 SkiDoo 600ETEC Billy Howard’s “broke in” demo sled
my new $600 airflow meter might help answer the question–“where’s the HP?”