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Rangerscott · 05-29-2017, 09:56 PM

I got an Xmotos Xb31. Should be the same bike. It has the 169fmm engine. Its not a true 169 since the bore is 65.5mm and pin is 15mm. Pretty much the same as the 166fmn engine. OHC engine with 2 valves.

05-29-2017, 09:56 PM	#9
Rangerscott Join Date: Sep 2016 Location: Texas Posts: 165	I got an Xmotos Xb31. Should be the same bike. It has the 169fmm engine. Its not a true 169 since the bore is 65.5mm and pin is 15mm. Pretty much the same as the 166fmn engine. OHC engine with 2 valves.
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