Speedometer error
Thread Starter
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Road Warrior
Joined: Aug 2008
Posts: 1,442
Likes: 8
From: south
Speedometer error
Why do you think on a 20 Thousand Dollar plus motorcycle the MoCo can't make the speedometer be correct? My bike is totally stock and it is at least 5mph slow. My ridding buddy rides a Springer and has a Gps and it shows his is off 5mph also. Is there some reason for this?
Every motorcycle I have ever owned the speedometer has read slow. Inquiring minds want to know.
Thanks
Every motorcycle I have ever owned the speedometer has read slow. Inquiring minds want to know.
Thanks
Road Captain
Joined: Oct 2007
Posts: 673
Likes: 4
From: Charlotte NC
Mph
Did either one of you guys change your wheel diameter. This will have an effect on your speedo reading. The difference your reading is the same as mine. I have an 18" wheel up front. A friend of mine has a little more difference. The calculated miles on a trip distance will change also.
If my trip on the GPS is 300 miles long invariably it will read longer according to the trip odometer on the bike. Go figure......
If my trip on the GPS is 300 miles long invariably it will read longer according to the trip odometer on the bike. Go figure......
Outstanding HDF Member
Joined: Oct 2007
Posts: 3,437
Likes: 15
I just got a Zumo 450 and it shows both my speedo and odometer to be spot on. the speedo is right on at every speed and in 200 miles the tripometer was off .5 miles. 04 Electraglide. when my speedo shows 60 the gps shows 60 when speedo shows 80 the gps shows 80. I impressed.
Thread Starter
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Road Warrior
Joined: Aug 2008
Posts: 1,442
Likes: 8
From: south
Did either one of you guys change your wheel diameter. This will have an effect on your speedo reading. The difference your reading is the same as mine. I have an 18" wheel up front. A friend of mine has a little more difference. The calculated miles on a trip distance will change also.
If my trip on the GPS is 300 miles long invariably it will read longer according to the trip odometer on the bike. Go figure......
If my trip on the GPS is 300 miles long invariably it will read longer according to the trip odometer on the bike. Go figure......
Intermediate
Joined: Feb 2008
Posts: 46
Likes: 0
From: Yuba City, California
My 05 deluxe runs 5 mph slow too, it's Harley's way to lower our speeding ticket fines! Haha...I don't even know why HD puts speedo s on the bikes, we don't care how fast we're going--all we care about is that we are rolling on wheels, going wherever the road takes us.
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Road Master
Joined: Nov 2004
Posts: 1,227
Likes: 2
From: Coral Springs, Florida
No GPS here (the only accurate way to check it), but radar checks show mine to be dead on correct.
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