by Trina | Mar 17, 2020 | CRF250 2018-Current R/RX
+4 bore to your cylinder
by Trina | Mar 17, 2020 | CRF250 2018-Current R/RX
+4 bore and +5.5 stroke with a long rod kit.
by Trina | Jun 22, 2018 | CRF250 2018-Current R/RX
+2 bore to the OEM cylinder.