INNTECK KYB Shock Spring for YAMAHA, KAWASAKI, HONDA, FANTIC, HUSQVARNA, GAS GAS, BETA and SUZUKI 1990-2027

Name: INNTECK KYB Shock Spring for YAMAHA, KAWASAKI, HONDA, FANTIC, HUSQVARNA, GAS GAS, BETA and SUZUKI 1990-2027
Brand: INNTECK
SKU: QS15
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 shock spring for YAMAHA WRF, YZ, YZF 125, 250, 400, 426, 450, HUSQVARNA TC, TE, TXC 250, 310, 449, 511, BETA RR 125, 250, 300, 350, 390, 430, 480, KAWASAKI KLX, KX, KXF 125, 250, 450, GAS GAS EC, XC 200, 250, 300, FANTIC XE, XX 125, 250, 300, HONDA CR 125, 250, 500 and SUZUKI RM, RMZ 250 from 1990 to 2027. Available in 40 N/mm, 42 N/mm, 44 N/mm, 46 N/mm, 48 N/mm, 50 N/mm, 52 N/mm, 54 N/mm, 56 N/mm, 58 N/mm, 60 N/mm, 62 N/mm.

The INNTECK KYB shock spring is designed for YAMAHA WRF 400, WRF 426, WRF 450, YZ 125, YZ 250, YZF 250, YZF 400, YZF 426, YZF 450, HUSQVARNA TC 250, TC 449, TE 250, TE 310, TE 449, TE 511, TXC 449, TXC 511, BETA RR 125, RR 250, RR 300, RR 350, RR 390, RR 430, RR 480, KAWASAKI KLX 450, KX 125, KX 250, KXF 250, KXF 450, GAS GAS EC 250, EC 300, XC 200, XC 250, XC 300, FANTIC XE 125, XE 300, XX 125, XX 250, HONDA CR 125, CR 250, CR 500 and SUZUKI RM 250, RMZ 250 from 1990 to 2027. The spring rate decides the height at which the rear end works. A spring suited to your weight makes the rear more stable in the bumps, better balanced with the fork and easier to set up.

Specifications

Brand: INNTECK
Manufacturer part numbers: QS1540, QS1542, QS1544, QS1546, QS1548, QS1550, QS1552, QS1554, QS1556, QS1558, QS1560, QS1562
Diameter: 59/62 mm, length: 270 mm
Available versions: 40 N/mm: ref. QS1540; 42 N/mm: ref. QS1542; 44 N/mm: ref. QS1544; 46 N/mm: ref. QS1546; 48 N/mm: ref. QS1548; 50 N/mm: ref. QS1550; 52 N/mm: ref. QS1552; 54 N/mm: ref. QS1554; 56 N/mm: ref. QS1556; 58 N/mm: ref. QS1558; 60 N/mm: ref. QS1560; 62 N/mm: ref. QS1562

Choosing the right spring rate

First set the rider sag to the manual's value using the preload collar, then measure the static sag (bike without rider): if it is too small, the spring is too soft for you; if it is too big, it is too stiff. Then change the spring rate by one or two steps.

When to replace it?

Impossible to get the right rider sag without tightening or loosening the preload a long way.
The rear end bottoms out often or squats under acceleration: spring too soft.
The rear end bounces and lacks traction: spring too stiff.
You weigh clearly more or less than the standard rider the manufacturer designed for.

Spring rate is given in N/mm (1 kg/mm is about 9.81 N/mm). Check the shock type (KYB, SHOWA, WP with linkage or WP PDS, which has no linkage) and the dimensions: the diameter and length must match your shock.

Fitting tips

Remove the shock as described in the manual, with the bike supported so the rear wheel is off the ground.
Back the preload off completely, remove the spring seat and change the spring.
Refit the shock to the specified torque, then set the rider sag with the preload.
Rebalance the fork afterwards if needed: a higher or lower rear end changes how the front end behaves.

Spare parts and items to plan

Shock rebuild kit : ALL BALLS · PROX
Linkage bearings : PROX 26.310016 · PROX 26.450022

Frequently asked questions

Who is a progressive spring for?
Its rate increases as it is compressed: soft at the start of the travel for comfort, firmer toward the end of the travel to resist bottoming out. It is mainly used on WP PDS shocks, which are fitted without linkage.

Compatibility

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

BrandINNTECK

Reference QS1540

In stock5 Items

Specific References

Click on your bike to see all compatible parts.

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INNTECK KYB Shock Spring for YAMAHA, KAWASAKI, HONDA, FANTIC, HUSQVARNA, GAS GAS, BETA and SUZUKI 1990-2027

€123.90

Tax Included


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INNTECK KYB Shock Spring for YAMAHA, KAWASAKI, HONDA, FANTIC, HUSQVARNA, GAS GAS, BETA and SUZUKI 1990-2027

Specifications

Choosing the right spring rate

When to replace it?

Fitting tips

Spare parts and items to plan

Frequently asked questions

Compatibility

INNTECK KYB Shock Spring for YAMAHA, KAWASAKI, HONDA, FANTIC, HUSQVARNA, GAS GAS, BETA and SUZUKI 1990-2027