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Fitment guide · 2026 Beta 250 RX 2-stroke (US) · 250 RX 2-stroke (2026)

GEARBOX 2

22 parts on this diagram · 250 RX 2-stroke (2026)

Diagram #OEM numberPartQtyFitment
1026.04.020.00.00COUNTERSHAFT—Where it's used
212.99710.000SEAL NJ205—Where it's used
310.66020.000OIL SEAL 32.45.7 BSL—Where it's used
410.66620.000OIL SEAL—Where it's used
5006.04.040.00.00DISTANCE BUSH—Where it's used
6AB-13007-13Fr. Sprocket 13t, RR/RS/RX/RR-S—Where it's used
728.25530.000SEEGER AS 25X2 DIN 471—Where it's used
811.22845.000NEEDLE BEARING K 20.24.10 (SPLITTED)—Where it's used
9049.04.022.00.002° COUNTERSHAFT GEAR—Where it's used
10006.04.031.00.00THRUST WASHER 26.32.1,5—Where it's used
1128.25520.000SEEGER 25 SW—Where it's used
12049.04.026.00.00ENGAGEMENT 2°/4°—Where it's used
13006.04.030.00.00THRUST WASHER 23.32.1,5—Where it's used
14006.04.024.00.004° GEAR COUNTERSHAFT—Where it's used
15030.04.023.00.003° COUNTERSHAFT GEAR Z27—Where it's used
16006.04.025.00.005° GEAR COUNTERSHAFT—Where it's used
17006.04.033.00.00THRUST WASHER 20.30.1—Where it's used
1811.22835.000NEEDLE BEARING K 20.24.10—Where it's used
19030.04.021.00.001° COUNTER SHAFT GEAR Z29—Where it's used
20006.04.032.00.00THRUST WASHER 17.30.1—Where it's used
2112.95605.000SEAL (6203) JR2 C3—Where it's used
22C01.23.001.00.00CHECK RING 17X1—Where it's used
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