YAMAHA WR 250 F 2017        

Rider Weight in Kilograms:

Ideal Fork Rate: kg/mm

Ideal Shock Rate: kg/mm


Stock Fork Spring Rate: 0.460 kg/mm

Stock Shock Spring Rate: 5.70 kg/mm


Offroad


Ideal Rider Weight 84 kg


4 Stroke Engine 250 cc


Twin Chamber Fork Shaft Tool

Twin Chamber Fork Shaft Tool

93-017-00

$33.00

Spring Perch Kit - 24mm TCV KYB 48mm SX

Spring Perch Kit - 24mm TCV KYB 48mm SX

30-004-36

$172.58

Shock Preload Collar Spanner

Shock Preload Collar Spanner

93-015-00

$28.60

Shock Oil Seal Showa/KYB 16X28X5

Shock Oil Seal Showa/KYB 16X28X5

22-401-00

$27.50

Shaft Clamp 20 24 28mm

Shaft Clamp 20 24 28mm

93-004-02

$96.80

Piston Band 50x12.0 KYB - Flexible PTFE

Piston Band 50x12.0 KYB - Flexible PTFE

22-312-00

$25.00

Fork Seal Driver Kit

Fork Seal Driver Kit

93-009-00

$258.50

Fork Oil Level Tool

Fork Oil Level Tool

93-002-00

$49.50

Fork - KYB Free Piston Complete - 2009+

Fork - KYB Free Piston Complete - 2009+

24-906-02

$99.00

Enzo 52mm Bladder Cap 06-16 YZF

Enzo 52mm Bladder Cap 06-16 YZF

30-002-29

$82.50

Cartridge Seal 12.5 x 22.5 x 5.0 KYB

Cartridge Seal 12.5 x 22.5 x 5.0 KYB

24-702-10

$11.88

Bumper 16x47x74 H KYB

Bumper 16x47x74 H KYB

22-239-00

$30.00

Bladder Cap 52mm Straight

Bladder Cap 52mm Straight

22-164-00

$52.80

Bladder 52 OD x 104 L KYB

Bladder 52 OD x 104 L KYB

22-109-00

$33.00

52mm Hi Capacity Cap- Black

52mm Hi Capacity Cap- Black

30-002-62

$71.50

52mm Bladder cap short Blue

52mm Bladder cap short Blue

30-002-34

$86.00

50mm Piston O-Ring KYB

50mm Piston O-Ring KYB

22-390-10

$2.05

50 od x 16 id - OEM KYB - Oil Lock

50 od x 16 id - OEM KYB - Oil Lock

22-512-00

$71.50

48mm id x 58mm od x 8.5mm height - KYB

48mm id x 58mm od x 8.5mm height - KYB

24-832-00

$38.50

21-003 Fork Inner Chamber Springs
RRP $145.20
20-115 Motorcycle Shock Spring
RRP $218.90
19-216 Motorcycle Fork Springs
RRP $218.90
16mm Dust Seal - Kayaba

16mm Dust Seal - Kayaba

22-418-00

$27.50

09-17 Yamaha YZ450F Blue Pull Rod SDI

09-17 Yamaha YZ450F Blue Pull Rod SDI

30-006-12

$350.00

Shaft Clamp 10 12 12.5 14 16 18mm

Shaft Clamp 10 12 12.5 14 16 18mm

93-004-01

$96.80

Fork Bleeder Tool Set

Fork Bleeder Tool Set

93-007-00

$110.00

Bushing Driver Set

Bushing Driver Set

93-118-00

$174.90

48mm KYB Fork Dust Seal

48mm KYB Fork Dust Seal

24-885-00

$26.40

What a fun bike! It’s a great seller and wins plenty of medals in club and open enduro racing. With endless hours of development work for Team Ballards, the Academy of Off Road Riding and a bunch of privateers, we've helped collect plenty of those wins.
Great power, easy to maintain, and for the first 15 hours or so they’re a top dirt bike. Fork bottoming resistance isn’t great, but if you’re an 80kg trail rider, then you’ll have no problems.
HOWEVER…
Forks
After 10 hours or so, the tension on the base valve poppet spring goes all to hell and that’s it. Those fab-o 48mm KYB USD units become harsh, they bottom easy, deflect like there’s no tomorrow, and CLUNKOLA is your new story. Nice bike; shame about the forks.

We add Fork Springs for everyone outside of 70-80kg range, as this bike is still sprung for a 75kg rider.
WR250F
WR450F
YEARS 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
As you can see from the table above, the suspension was the same for the 2007-14 WR250F and the 2006-11 WR450F. This Early WR suspension uses our 25-029-00 Fork T-Valve Kit.
The current 2015-16 WR250F and the 2012-16 WR450F share the same suspension too. The Late WR suspension uses the 25-033-00 Fork T-Valve Kit.

  • Fork T-Valve Upgrade Kit. We send every fork to the bench and fit one of our specially developed Teknik T-Valve Kits. They improve oil flow in the compression valve, and allow a smoother, more plush initial compression where the stock valve fails. Plus we change the poppet spring and revalve, and refill with Silkolene synthetic fork oil. Yippee! They work! You’ve now got better-than-stock forks that will go where you want without shock transfer to your arms.
    You can find the right Fork Spring rate for your weight HERE.

    Early WR T-Valve Kit $
    Late WR T-Valve Kit $
    Plus Installation, Fork Revalve & Service $ + T-Valve Kit
    New Fork Springs Approx $200.00

Shock
An annual shock service is essential. The OEM bladder is a bit permeable, and even your brand new bike has a 6-8 month old shock when you get it from the dealership, so by the time you’ve ridden it once down the street and done a wheelie for your mates, the gas has already gotten into the shock oil. Hello milkshake!
  • Shock Service. A service will get the nitrogen back inside the bladder where it belongs. It also includes fresh Oil.

    Price $

  • Shock Revalve. A service is good, but a revalve to suit your height, weight, speed and terrain specs is even better value. There's a good chance you will want different shock springs too; you can find the right Shock Spring rate for your weight HERE.

    Price $
    New Shock Spring Approx $200.00


48mm OD

Kayaba (KYB) USD 48mm OD


24 Clicks

Compression Adjuster 24 Clicks


24 Clicks

Rebound Adjuster 24 Clicks


Internal

Top Out Type Internal


48 in-lb (0.56 kgf-m)

Compression Nut Torque 48 in-lb (0.56 kgf-m)


35 / 23 mm

Fork Cartridge Inner Diameter 35 / 23 mm


12.5 mm

Fork Rod Outer Diameter 12.5 mm


300 mm

Fork Travel 300 mm


48mm id x 20mm height x 1.0mm thick

Inner Bush Dimensions 48mm id x 20mm height x 1.0mm thick


48mm od x 15mm height x 2.0mm thick

Outer Bush Dimensions 48mm od x 15mm height x 2.0mm thick


44.0 mm

Fork Spring Large Outer Diameter 44.0 mm


44.0 mm

Fork Spring Small Outer Diameter 44.0 mm


2.0 kg/mm

Inner Chamber Spring Rate 2.0 kg/mm


0.460 kg/mm

Spring Rate - Claimed 0.460 kg/mm


0.460 kg/mm

Spring Rate - Measured 0.460 kg/mm


3 mm

Standard Preload 3 mm


26mm OD x 106mm free length

Inner Chamber Spring Dimensions 26mm OD x 106mm free length


350 cc

Fork Oil Level 350 cc


2 Litres

Oil Quantity 2 Litres


2.5

Fork Oil Weight 2.5


50mm ID

Kayaba (KYB) 50mm ID


Yes

Shock Linkage Yes


20 Clicks

Compression Adjuster 20 Clicks


2 Turns

Compression Adjuster - High Speed 2 Turns


20 Clicks

Rebound Adjuster 20 Clicks


142 psi

Nitrogen Pressure 142 psi


136 mm

Shock Travel 136 mm


300 mm

Wheel Travel 300 mm


16 mm

Shock Shaft Outer Diameter 16 mm


12 mm

Shock Shaft Outer Diameter at Valve 12 mm


181 mm

Shock Shaft Chrome Length 181 mm


M12 x 1.5

Shock Shaft Nut Thread M12 x 1.5


11 mm

Standard Preload 11 mm


100 mm

Standard Sag 100 mm


265 mm

Spring Free Length 265 mm


61.0 mm

Shock Spring Large Inner Diameter 61.0 mm


59.7 mm

Shock Spring Small Inner Diameter 59.7 mm


60.0 mm

Shock Collar Large Outer Diameter 60.0 mm


58.0 mm

Shock Collar Small Outer Diameter 58.0 mm


286 mm

Spring Maximum Set Length 286 mm


198 mm

Spring Minimum Set Length 198 mm


5.70 kg/mm

Spring Rate - Measured 5.70 kg/mm


5.80 kg/mm

Spring Rate - Claimed 5.80 kg/mm