To discover exactly which parts you require use the on-line schematic exploded diagram - it will even give you some idea of where and how to fit those new parts.
The Honda XR250R 1987 (H) CANADA / CMF has seventeen Engine, twenty-seven Frame, two Other parts fiches.
This REAR CUSHION (XR250RG/RH/RJ/RK/RL/RM) fiche contains the largest amount of spare parts with sixty-four listed items