CRF250X changes from 2005 to 2006
November 4, 2005 version
New for 2006
- Honda Race Team-inspired graphics. (WOW! BNG)
- New lightweight rear hub from CRF250R.
- New lighter swingarm.
- New lighter rear shock body.
- Lightweight front fork guards and cable brackets from CRF450X.
- New front axle placement as in the CRF250R for improved fork
action and turning.
- New intake valve seat material improves valve durability.
- Overall weight reduction 1.1 pounds.
Here are the differences, in Parts Catalog order. If a part is different between 49-state and CA, each number is shown. If they are the same, only one number is shown. Many of these new '06 parts will work on '04 and '05 models; check with your dealer (yeah, right).
| Description | Part number | Comment |
| Cylinder head assy 49-state Cylinder head assy CA |
12010-KRN-674 12010-KSC-773 |
New intake valve seat material Same as 49-state, but with extra holes for secondary air system |
| Cylinder Gasket, cylinder |
12100-KRN-730 12191-KRN-731 |
Actually switched in late 04, from 250R Actually switched in late 04, from 250R |
| Crankcase, L Jet, piston (#80) Bolt, flange (6x12) |
11200-KSC-671 11210-KRN-730 96001-06012-00 |
Actually switched in late 04 - oil squirter redesign, from 250R |
| Spindle, gearshift | 24610-KRN-730 | Improved shifting, from 250R |
| Carb assy (CRF02A.A) 49-state Carb assy (CRF03A.A) CA |
16100-KSC-673 16100-KSC-773 |
No internal carb part number is different, but carb assy part number is different (both models) |
| Socket, headlight | 33130-MEY-670 | ? |
| Stay, connector | 50130-KSC-010 | Odometer mount |
| Hose, fr brake | 45125-MEY-003 | Better braking control? |
| Guide, speedometer cable | 44832-KSC-A00 | ? |
| Front shock absorber parts (forks) |
See parts catalog (14 parts) |
New front axle placement, new valving Lighter components from 450X |
| Pad set, rear Caliper sub-assy, rear brake Bracket sub-assy Guard, rear caliper |
06435-KRN-711 43150-KRN-711 43190-KRN-711 43340-MEY-00ZA |
Upgraded to 250R parts |
| Spoke set, rear inside Spoke set, rear outside Hub sub-assy Wheel sub-assy |
06420-MEY-000 06421-MEY-000 42635-KRN-710 42650-MEY-000 |
New lightweight rear hub and associated parts from 250R |
| Shroud set, R radiator Shroud set, L radiator |
19071-KSC-A00ZA 19072-KSC-A00ZA |
BNG BNG |
| Bracket, R step | 50610-MEN-671 | Right footpeg mounting bracket |
| Guide, chain Slider, chain Roller, chain (lower) (34mm) Swingarm sub-assy, rear Nut, U (6mm) Plate, chain guide |
52146-KRN-711 52170-KRN-710 52176-KRN-710 52200-KSC-A00 90301-473-003 52147-KRN-710 |
New lighter swingarm and associated parts from 250R Unique to 250X |
| Rear Cushion (shock) |
See parts catalog (17 parts) |
New lighter rear shock body |
| Taillight unit | 33701-KSC-A00 | ? |
| Module, ignition control (CDI) Wire harness |
30410-KSC-A00 32100-KSC-A00 |
? Cooling fan kit electronics changes |
| Bracket, R head hanger Bracket, L head hanger |
50407-KRN-730 50408-KRN-730 |
? from 250R ? from 250R |
| Mark, R radiator shroud Mark, L radiator shroud |
87126-KSC-A00ZA 87127-KSC-A00ZA |
BNG BNG |
| Fan set, cooling Other parts |
19000-KSC-D00 See parts catalog |
New cooling fan kit Rectifier, condenser, starter relay, harness |
Notable unchanged items include:
Valve assemblies (valves, valve springs, valve spring retainers, valve spring seats, valve cotters, buckets, shims)
Piston assembly (piston, rings, pin, clips)
Transmission
Clutch plates and clutch springs
Carburetor and jetting
Exhaust pipe and muffler