You can take a guess and buy a couple of metric bolts and see if they fit. Or just break down and buy a thread gauge like this one.
These things are SOOoo useful to have.
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-2022 5 speed Templar X Orange, OEM 51T rear sprocket, 14T front sprocket
-NOS 2020 KTM 250SX (2-stroke motocross), less than 10 hours on it
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