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


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