speedo reads 2x actual speed

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Posts: 24
Joined: Wed Jun 03, 2009 5:14 pm
Bikes: 1952 PanHead with 1948 Frame
Location: Northville, Michigan

speedo reads 2x actual speed


Post by BastardBoy » Wed May 12, 2010 1:18 pm

My 52 Panhead speedo reads 2x actual speed. I know the speedometer was replaced by the previous owner, so that probably created issue. Is there a way I can rectify the issue, short of replacing the speedometer?


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Re: speedo reads 2x actual speed


Post by hjans » Wed May 12, 2010 3:20 pm

2 types of speedometers : ratio 1:1 and 2:1

see speedo2.jpg, right bottom of page, to chose ratio

speedodrive gear : i do not think they can be interchanged because of the different number of teeth

guess you need to change the speedometer to a 2:1 type

Had the same problem, also had to change the speedo
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