Speedometer cluster difference

Joined
Aug 4, 2019
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53
Location
Atlanta
Restoring my 74 USA spec cruiser cluster and was tempted to take the mechanism from a new (Saudi maybe?) kilometer mechanism. Would I be correct in thinking the two devices are identical in function with the exception of this worm gear?

There is that weird reed switch in also but I think I can swap that over to the new mechanism.

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Joined
Apr 21, 2005
Messages
21,250
While the difference in miles and kilometers can be solve in the speedometer face simply by marks the odometer requires the dial to move faster for kilometers which is why the worm gear is finer threads.
 
Joined
Dec 13, 2012
Messages
1,734
Location
KY
If your old one has stopped working a simple clean and re-grease should get things back in shape. There are a few threads on how to do this if you're not sure.
 

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