YAMAHA TZ 250 1997        

Rider Weight in Kilograms:

Ideal Fork Rate: kg/mm

Ideal Shock Rate: kg/mm


Stock Fork Spring Rate: 0.715 kg/mm

Stock Shock Spring Rate: 7.30 kg/mm


Race


Ideal Rider Weight 73 kg


2 Stroke Engine 250 cc


Fork Spring Compressor

Fork Spring Compressor

93-008-00

$247.50

Fork Bleeder Tool Set

Fork Bleeder Tool Set

93-007-00

$110.00

20-045 Motorcycle Shock Spring
RRP $218.90


41mm OD

Kayaba (KYB) USD 41mm OD


Compression Adjuster

Compression Adjuster


Rebound Adjuster

Rebound Adjuster


Internal

Top Out Type Internal


15 mm Range

Preload Adjuster 15 mm Range


30 in-lb (0.35 kgf-m)

Compression Nut Torque 30 in-lb (0.35 kgf-m)


20.0 mm

Fork Cartridge Inner Diameter 20.0 mm


10.0 mm

Fork Rod Outer Diameter 10.0 mm


103 mm

Fork Travel 103 mm


37.2 mm

Fork Tube Inner Diameter 37.2 mm


41mm od x 20mm height x 2.0mm thick

Outer Bush Dimensions 41mm od x 20mm height x 2.0mm thick


Two Outer Bushes Used

Inner Bush Dimensions Two Outer Bushes Used


41 x 53.6 x 4.8

Dust Wiper Dimensions 41 x 53.6 x 4.8


41 x 53.1 x 8

Oil Seal Dimensions 41 x 53.1 x 8


36.0 mm

Fork Spring Large Outer Diameter 36.0 mm


30.7 mm

Fork Spring Small Outer Diameter 30.7 mm


15.8

Number of Coils 15.8


215 mm

Spring Free Length 215 mm


0.715 kg/mm

Spring Rate - Measured 0.715 kg/mm


4.15 mm

Spring Wire Diameter 4.15 mm


205 mm

Set Length 205 mm


10 mm

Standard Preload 10 mm


27.7 mm

Fork Spring Large Inner Diameter 27.7 mm


5

Fork Oil Weight 5


95 mm

Fork Oil Level 95 mm


2 Quarts

Oil Quantity 2 Quarts


40mm ID

Soqi 40mm ID


200 psi

Nitrogen Pressure 200 psi


5 Weight

Shock Oil 5 Weight


62 mm

Shock Travel 62 mm


14 mm

Shock Shaft Outer Diameter 14 mm


12 mm

Shock Shaft Outer Diameter at Valve 12 mm


105 mm

Shock Shaft Chrome Length 105 mm


157 mm

Shock Shaft Overall Length 157 mm


268 mm

Shock Length (Eye to Eye) 268 mm


Shock Spring Collars Required

Shock Spring Collars Required


172 mm

Spring Free Length 172 mm


55.5 mm

Shock Spring Large Inner Diameter 55.5 mm


55.5 mm

Shock Spring Small Inner Diameter 55.5 mm


54.2 mm

Shock Collar Large Outer Diameter 54.2 mm


54.2 mm

Shock Collar Small Outer Diameter 54.2 mm


171 mm

Spring Maximum Set Length 171 mm


140 mm

Spring Minimum Set Length 140 mm


7.30 kg/mm

Spring Rate - Measured 7.30 kg/mm