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170 on a fxst

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I want to put a 170 on a stock 05 fxst. what modifications if any have to be made?
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I have a 160x60x18 on a 4.25 rim and it fits perfectly, you will get a 170 under there (just) as well.

May have to grind the inside of the frame rails from approx 3" from the ends back to the ends where they hold the rear guard on but thats about it.

Possible small amount of material to be removed from belt guard as well.

All the best, Ozzie
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tic10 said:
I want to put a 170 on a stock 05 fxst. what modifications if any have to be made?
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If you get it to work, I would be interested in what it took as I have the same bike. :thanks:
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