speedo conversion.
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Stage II
Joined: Jun 2017
Posts: 2
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From: texas
speedo conversion.
Hey everyone.
I have a 1990 sportster 883. I,m installing a set of fatboy centerline wheels on it. Going from 19" front wheel to 16". Tring to figure out best way to convert speedo so it will read correctly. Any ideas. I have a fatbob dash on it with 5" speedo. was thinking about trying speedo drive and speedo from fatboy. but i dont know?
I have a 1990 sportster 883. I,m installing a set of fatboy centerline wheels on it. Going from 19" front wheel to 16". Tring to figure out best way to convert speedo so it will read correctly. Any ideas. I have a fatbob dash on it with 5" speedo. was thinking about trying speedo drive and speedo from fatboy. but i dont know?
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Stage II
Joined: Jun 2017
Posts: 2
Likes: 0
From: texas
yes the ratio for the sporty is 2:1 and the fatboy is 2240:60. just need to see if speedo drive from fatboy will fit on sporty. if so it should work. Theyre both 3/4 axles. prob just need some different spacers. gonna check with local dealerships parts guy. hes pretty good with swapping parts from model to model from what ive been told.
Outstanding HDF Member
Joined: Oct 2016
Posts: 2,530
Likes: 546
From: Wayne County, PA
I would check the spacers and the speedometer drive to see if you can fit them. The one other thing is on a big twin there is a hole in the backbone to feed the speedometer through. You can probably just run it to the side of the sportster backbone.
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