Posts filed under 'Service tips'

Tips How To Changing Tire On Dirt Bike

changing tireChanging tire on a dirt bike can be pretty disagreeably task especial if you are doing this first time and the tire is new and solid but for the professionals it’s take no more than 10 min max, well when i was changing tire on my bike first time it takes to me more than 1 hour and my fingers has been all scratchy luckily i found video doing this by professionals and it’s really not that hard u just need some basic technics and second time it took to me no more than 20 min u can find video how to change tire on a dirt bike on this link

Add comment January 25th, 2008

How to Lube your Cable on dirt bike (marshall plumb)

Here is a video of Marshall Plumb’s Tech Tips how to Lube your Cable on motocross bike

Add comment January 19th, 2008

showa damper oil capacity table (honda crf 250/450)

damper oil capacity in ml:

  • CRF 250R: 195ml
  • CRF 250X: 192ml
  • CRF 450R:
    2002: 189ml
    2003-on: 195ml
  • CRF 450x: 190ml

Fork damper oil level in mm:

  • 2002 CRF450R: 5-10mm
  • all other models: 42-47mm

Add comment December 20th, 2007

servicing showa forks on honda crf

showa 47Showa front fork on honda crf(cr) is almous trouble free but require periodic service to replace the fork oil. inspect bushings, seals… Servicing showa front fork (honda crf 450, 250) is really easy task so don’t be afraid and do’it yourself.

1. remove front wheel
2. remove the brake hose clamp
3. remove the handlebar
4. release screws (A, pic1) if u don’t release these screws u won’t be able to loosen the fork damper with 50mm locknut wrench (C) now u just loosen the fork damper (C) now when you loosen damper you can also release bolts (B) and remove fork
service fork
5. open the air release screw to release any pressure, turn the compression and rebound counterclockwise to its softest settings
6. now u can completely remove the fork damper with 50mm locknut wrench (A, pic2) then lower the fork tube until the dust seal bottoms against the slider (picture3)
Pic2
service fork
pic3
showa
7. pump the fork tube to drain fork oil, if u want just change the fork oil inspect the fork for any damage and refill the right amount of fork oil in fork (A, pic3) se table
8. if u also going to change seals and oil in damper temporary install the fork damper in to the fork tube and tighten hand tight
9. lock the axle holder in a vise fitted with soft jaws, loosen the center bolt (A, pic4) so that is free from the slider, push on the fork cap to extend the center bolt and the piston rod from the axle holder, then install the stopper plate (B, pic4)
pic 4
service fork
10. hold the locknut with a wrench (C) and loosen the center bolt (A, pic4)
11. remove the center bolt and the pushrod
12. push on the fork damper and remove the stopper plate.
13. remove the fork damper and fork spring from the slider then remove the slider from the vise (see pic.5)
pic 5
honda crf fork
14.to separate the fork tube from the slider hold the tube and pull hard on the slider using quick in and out strokes don’t forget remove dust seal and stop ring (pic.6)
pic 6
honda crf 450 r
14. remove the fork cap from the fork damper (pic. 7)
pic 7
dirt bike servicing
15. drain out the oil from damper inspect all the parts for any damage and refill the new oil in the damper as follows:
- support the fork damper so it is vertical and fully extended
- pour the recommended quantity of fork oil (5W fork oil)into the fork damper see table
- slowly pump the piston rod several time by hand to bled air from damper on the last stroke fully extend the piston rod check an set oil level as you seen on the picture bellow
showa fork
16. when you inspect all the parts just install al the parts together in reverse order don’t forget fill oil in fork see table for quantity of oil in fork (A, pic.3)
thats it i hope u understand all steps in case of problem write a coment!

Add comment December 18th, 2007

How to determine year of production Honda CRF450/250R CRF450/250X

We can identification year of production by engine or frame identification number below you can find engine production identification numbers
CRF250R:

  • 2004 - ME10E-2000001-2049999
  • 2005 - ME10E-2100001- on
  • CRF250X:

  • 2004 - ME11E-5000001- on
  • 2005 - ME11E-5000001- on
  • CRF450R:

  • 2002 - PE05E-2000001-2099999
  • 2003 - PE05E-2100001-2199999
  • 2004
    first production run - PE05E-2200001-2249999
    second production run - PE05E-2250001-2299999
  • 2005 - PE05E-2300001-on
  • CRF450X:

  • 2005 - PE06E-5000001-on
  • October 6th, 2007


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