CRF250X changes from 2004 to 2005
November 4, 2005 version
Honda announced that the only changes for the '05 250X would be a new lighter rear hub, like the '05 250R. However, the official Honda '04-'05 CRF250X Parts Catalog showed that the rear hub was not changed for '05. Neither was the swingarm. But some other parts were changed. Here are the differences, in Parts Catalog order:
| Description | Part number | Comment |
| Tensioner lifter | 14520-KRN-671 | Same part number as the '05 250R model |
| Cylinder Cylinder |
12100-KRN-671 12100-KRN-672 |
Interim '04 X update '05 X part |
| Front disk cover | 51614-KZ4-J41ZA | Same part number as the '05 250R model |
| Shrouds | 19071-KSC-730ZA 19072-KSC-730ZA |
Probably BNG |
| Air cleaner housing | 17250-KSC-010 | New air box and front seal! |
| Footpeg mounting brackets | 50610-MEN-671 50611-MEN-671 |
|
| Radiators | 19010-KSC-641 19015-KSC-731 |
Left radiator is the same as the '05 250R model Right is X only |
| Radiator grille (2) Radiator cap Radiator cap seal |
19033-KRN-010 19037-KRN-641 19055-KRN-641 |
|
| Frame Sub-frame |
50010-KSC-730 50200-KSC-730 |
Wonder what's going on here? |
| Plug wrench | 89216-MY9-000 | Same part number as the '05 R model |
Notable unchanged items include:
Cylinder head
Valve assemblies (valves, valve springs, valve spring retainers, valve spring seats, valve cotters, buckets, shims)
Piston assembly (piston, rings, pin, clips)
Clutch plates and clutch springs
Carburetor and jetting