Real m.p.h.
that 500 should do 85-90. I had mine over 90 but you can never trust the dream-o-meter.
Back in 1987-88, I ran my then new 1986 INDY 600 (STOCK, but dialed in well) LIMITED EDITION @ the radar runs 91 M.P.H. in 1000', Speedo said around 100 m.p.h.
My bud's 1985 INDY (STOCK, no maintenance kinda guy) 600 ran 88 M.P.H. (Same Radar Run)
So, one could then assume that the LIMITED EDITION Chrome package was good for 3 M.P.H.
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Same Radar Run, my 1978 YAMAHA SRX 440 Ran 86 M.P.H.
1993 STORM 750 102+ m.p.h. 1000' RADAR RUN, 110+ speedo
1996 STORM 800, 105.3 m.p.h. 1000' RADAR RUN, 115 Speedo
Same Radar run, the fastest 900 THUNDERCAT in 1996 out of a fleet of 12 entries in the stock 900 class ran 105.1 m.p.h.
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My 2007 DRAGON 700, 99 M.P.H. Speedo= 96.7 M.P.H. G.P.S.
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72 COLT (Polaris built Colts right?) Mild Big Block, 15" x 33"'s 1/4 mile times, 9.58 @ 137+ M.P.H. Back in 1984
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Everytime some guy tells me he was doing a 100 m.p.h. on a sled and believes it, I just chuckle