INNTECK KYB/WP Fork Springs for TM RACING, KTM, HUSQVARNA, GAS GAS, YAMAHA and KAWASAKI 2002-2027

Name: INNTECK KYB/WP Fork Springs for TM RACING, KTM, HUSQVARNA, GAS GAS, YAMAHA and KAWASAKI 2002-2027
Brand: INNTECK
SKU: QS30
Price: 123.9 EUR
Availability: InStock

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€123.90

Tax Included

Available from our supplier, shipped within 10 to 15 days.

INNTECK KYB/WP pair of fork springs for KTM EXC, EXCF, XC, XCF, XCW 150, 250, 300, 350, 450, 500, HUSQVARNA FE, FX, TE, TX 150, 250, 300, 350, 450, 501, TM RACING EN, MX 125, 144, 250, 300, YAMAHA WRF, YZ, YZF 125, 250, 450, GAS GAS EC, ECF 250, 300, 350, 450, 500 and KAWASAKI KX, KXF 125, 250, 450 from 2002 to 2027. Available in 3.8 N/mm, 4 N/mm, 4.2 N/mm, 4.4 N/mm, 4.6 N/mm, 4.8 N/mm, 5 N/mm, 5.2 N/mm, 5.4 N/mm, 5.6 N/mm, 5.8 N/mm, 6 N/mm.

The INNTECK KYB/WP pair of fork springs is designed for KTM EXC 150, EXC 250, EXC 300, EXCF 250, EXCF 350, EXCF 450, EXCF 500, XC 250, XCF 250, XCF 350, XCF 450, XCW 150, XCW 250, XCW 300, HUSQVARNA FE 250, FE 350, FE 450, FE 501, FX 350, FX 450, TE 150, TE 250, TE 300, TX 300, TM RACING EN 125, EN 144, EN 250, EN 300, MX 125, MX 144, MX 250, MX 300, YAMAHA WRF 250, WRF 450, YZ 125, YZ 250, YZF 250, YZF 450, GAS GAS EC 250, EC 300, ECF 250, ECF 350, ECF 450, ECF 500 and KAWASAKI KX 125, KX 250, KXF 450 from 2002 to 2027. Fork springs carry the weight of the bike and rider at the front. Their spring rate must match your riding weight with gear: too soft, and the fork dives under braking and bottoms out; too stiff, and it does not sink in enough and the front end bounces.

Specifications

Brand: INNTECK
Manufacturer part numbers: QS3038, QS3040, QS3042, QS3044, QS3046, QS3048, QS3050, QS3052, QS3054, QS3056, QS3058, QS3060
Diameter: 43.5 mm, length: 470 mm
Sold as a pair (one spring per fork leg)
Available versions: 3.8 N/mm: ref. QS3038; 4 N/mm: ref. QS3040; 4.2 N/mm: ref. QS3042; 4.4 N/mm: ref. QS3044; 4.6 N/mm: ref. QS3046; 4.8 N/mm: ref. QS3048; 5 N/mm: ref. QS3050; 5.2 N/mm: ref. QS3052; 5.4 N/mm: ref. QS3054; 5.6 N/mm: ref. QS3056; 5.8 N/mm: ref. QS3058; 6 N/mm: ref. QS3060

Choosing the right spring rate

Start from the original spring rate (see the bike's manual) and adjust for your riding weight with gear: heavier than the standard rider, go up one step; lighter, go down one step. In enduro, people often choose something a little softer than in motocross for extra comfort.

When to replace it?

The fork bottoms out often or dives hard under braking: springs too soft for you.
The front end sits high, bounces and the bike understeers: springs too stiff.
You weigh clearly more or less than the standard rider the manufacturer designed for.
Springs sagged after many hours: the fork sits lower in its travel than it did originally.

Spring rate is given in N/mm. Manufacturers also quote it in kg/mm: 1 kg/mm is about 9.81 N/mm (0.46 kg/mm ≈ 4.5 N/mm). Check the type and diameter of your fork: the spring must have the right length and diameter.

Fitting tips

Note your settings and the height of the tubes in the clamps, then remove the fork.
Open each leg following the manual for your fork and replace the spring, reusing the original washers and spacers.
Reset the fork oil level to the height given in the manual: it affects the end of the stroke.
Refit the fork and tighten the clamps to the specified torque, then check the front rider sag.

Spare parts and items to plan

Fork oil : LIQUI MOLY 10W 500 ml
Fork oil seals : ATHENA · SKF

Frequently asked questions

Do I have to change both springs?
Yes, always as a pair, with the same spring rate on both sides, except on forks with a single spring.

Are springs enough to transform the fork?
They put the fork back at the right height for your weight. The damping is then adjusted with the compression and rebound clickers.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

BrandINNTECK

Reference QS3038

In stock9 Items

Specific References

Click on your bike to see all compatible parts.

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INNTECK KYB/WP Fork Springs for TM RACING, KTM, HUSQVARNA, GAS GAS, YAMAHA and KAWASAKI 2002-2027

€123.90

Tax Included


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INNTECK KYB/WP Fork Springs for TM RACING, KTM, HUSQVARNA, GAS GAS, YAMAHA and KAWASAKI 2002-2027

Specifications

Choosing the right spring rate

When to replace it?

Fitting tips

Spare parts and items to plan

Frequently asked questions

Compatibility

INNTECK KYB/WP Fork Springs for TM RACING, KTM, HUSQVARNA, GAS GAS, YAMAHA and KAWASAKI 2002-2027