i just checked the top speed on my 2004 sportster with the 947 di engine on gps it is 41.8 mph and on the speedo it reads 52 mph what should the top speed of this boat be? are the speedos normally this much out?
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#1
marty319
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Posted 31 August 2011 - 06:13 PM
#2
John in Valley Forge
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Posted 05 October 2011 - 10:16 PM
Yep they are woefully inaccurate above like 20mph. Some folks refer to the dial as a Dream-o-Meter.
My guage tops out at 45, but my GPS says I am doing 39.
From discussions of this topic elsewhere, I would say that variations of 5-7mph between GPS and guage is normal.
My guage tops out at 45, but my GPS says I am doing 39.
From discussions of this topic elsewhere, I would say that variations of 5-7mph between GPS and guage is normal.
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