HONDA CR 125 R 1990        

Rider Weight in Kilograms:

Ideal Fork Rate: kg/mm

Ideal Shock Rate: kg/mm


Stock Fork Spring Rate: 0.336 kg/mm

Stock Shock Spring Rate: 5.00 kg/mm


Motocross


Ideal Rider Weight 73 kg


2 Stroke Engine 125 cc


46mm Bladder cap Angled Red

46mm Bladder cap Angled Red

30-001-02

$49.50

46mm Bladder cap Angled Blue

46mm Bladder cap Angled Blue

30-001-04

$49.50

46mm Bladder cap Angled Black

46mm Bladder cap Angled Black

30-001-06

$49.50

Shock Preload Collar Spanner

Shock Preload Collar Spanner

93-015-00

$28.60

Shock Oil Seal KYB 14x30x5

Shock Oil Seal KYB 14x30x5

22-412-00

$30.80

Shock Dust Seal KYB 14X26

Shock Dust Seal KYB 14X26

22-417-00

$16.50

Piston Band 44x10.0 KYB

Piston Band 44x10.0 KYB

22-310-00

$25.00

Bumper 14x42x55 H KYB

Bumper 14x42x55 H KYB

22-255-00

$49.50

Bladder Cap 46mm Straight

Bladder Cap 46mm Straight

22-160-00

$66.00

Bladder 46 OD x 88 L KYB

Bladder 46 OD x 88 L KYB

22-135-00

$44.00

20-085 Motorcycle Shock Spring
RRP $218.90

22-511-00

$66.00

Rebound Check Valve KYB 12mm

Rebound Check Valve KYB 12mm

25-303-00

$44.00

Fork Bleeder Tool Set

Fork Bleeder Tool Set

93-007-00

$110.00

One-way rebound check valve


45mm OD

Showa USD 45mm OD


12 Clicks

Compression Adjuster 12 Clicks


Internal

Top Out Type Internal


25 in-lb (0.29 kgf-m)

Compression Nut Torque 25 in-lb (0.29 kgf-m)


20.0 mm

Fork Cartridge Inner Diameter 20.0 mm


10.0 mm

Fork Rod Outer Diameter 10.0 mm


45mm id x 20mm height x 1.5mm thick

Inner Bush Dimensions 45mm id x 20mm height x 1.5mm thick


45mm od x 15mm height x 2.0mm thick

Outer Bush Dimensions 45mm od x 15mm height x 2.0mm thick


40.5 mm

Fork Spring Large Outer Diameter 40.5 mm


40.5 mm

Fork Spring Small Outer Diameter 40.5 mm


36.0

Number of Coils 36.0


510 mm

Spring Free Length 510 mm


0.336 kg/mm

Spring Rate - Claimed 0.336 kg/mm


0.336 kg/mm

Spring Rate - Measured 0.336 kg/mm


4.77 mm

Spring Wire Diameter 4.77 mm


500 mm

Set Length 500 mm


10 mm

Standard Preload 10 mm


5

Fork Oil Weight 5


75 mm

Fork Oil Level 75 mm


2 Litres

Oil Quantity 2 Litres


44mm ID

Kayaba (KYB) 44mm ID


Yes

Shock Linkage Yes


15 Clicks

Compression Adjuster 15 Clicks


12 Clicks

Rebound Adjuster 12 Clicks


142 psi

Nitrogen Pressure 142 psi


120 mm

Shock Travel 120 mm


14 mm

Shock Shaft Outer Diameter 14 mm


12 mm

Shock Shaft Outer Diameter at Valve 12 mm


172 mm

Shock Shaft Chrome Length 172 mm


247 mm

Shock Shaft Overall Length 247 mm


M12 x 1.5

Shock Shaft Nut Thread M12 x 1.5


15 mm

Standard Preload 15 mm


95 mm

Standard Sag 95 mm


Blue

OEM Spring Colour Blue


256 mm

Spring Free Length 256 mm


61.6 mm

Shock Spring Large Inner Diameter 61.6 mm


60.0 mm

Shock Spring Small Inner Diameter 60.0 mm


5.00 kg/mm

Spring Rate - Measured 5.00 kg/mm


0.000825

Slope of Spring Formula 0.000825


0.272

Y Intercept of Spring Formula 0.272