Suspension Parts for 2021 YAMAHA YZ85 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2021 YAMAHA YZ85. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 2021 YAMAHA YZ85.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

This is a recommendation only please consult your manual

Ideal Fork Rate:

kg/mm ( N/mm)

Ideal Shock Rate:

kg/mm ( N/mm)

BIKE DETAILS

Stock Fork Spring Rate

0.29

Stock Shock Spring Rate

5

Bike Type

MINI MX

Ideal Rider Weight

40 kg

Engine Specifications

2 Stroke Engine 85 cc

FORKS INFO

Fork Manufacturer

Fork Type: KYB USD 36 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 258 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 90 mm

Fork Spring Information

Standard Preload: 5 mm

Fork Comments

: Oil level set with the gap between the inner and outer fork tube empty.

SHOCKS INFO

Shock Manufacturer

Shock Type: KYB 40 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 406 mm
Shock Travel: 123 mm
Shock Shaft Outer Diameter: 14 mm
Standard Sag: 85 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 14
Wheel Travel: 282 mm

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK UPGRADE PARTS

11 Parts

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FORK SEALS & BUSHES

9 Parts

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FORK COMPRESSION ADJUSTER ASSY

17 Parts

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FORK CARTRIDGE ROD PARTS

15 Parts

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FORK UPPER & LOWER TUBE PARTS

13 Parts

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SHOCK SEAL CASE PARTS

9 Parts

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SHOCK SHAFT PARTS

10 Parts

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SHOCK BODY PARTS

15 Parts

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SUSPENSION LOCKNUTS & BUSHES

15 Parts

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TOOLS & LUBRICANTS

24 Parts

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All Fitment-Matched Suspension Parts

Browse All 149 Products for YAMAHA YZ85 2021

KYB Cartridge Kit YZ85 2019-2025

KYB Cartridge Kit YZ85 2019-2025

Genuine KYB Factory Race Parts
(SKU: 160060001302)

$1,397.83
1 In Stock

KYB Factory Outertube only Kashima 510mm YZ85

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Outertube only Kashima 510mm YZ85

Genuine KYB Factory Race Parts
(SKU: 160753600901)

$723.64
1 In Stock

KYB by Technical Touch - Red - 85cc Mini Fork Stickers Pair

Kayaba (KYB) Genuine Motorcycle Parts

KYB by Technical Touch - Red - 85cc Mini Fork Stickers Pair

OEM KYB Technical Touch Decal
(SKU: 170010000702)

$25.72
1 In Stock

HiCalibre Fork Springs 31 x 428 (Eibach 913) Common Fitment YZ85 KX85

HiCalibre

HiCalibre Fork Springs 31 x 428 (Eibach 913) Common Fitment YZ85 KX85

Proudly made in the USA
(SKU: 19-065)

From $245.00

Spring Rate: 0.24 kg/mm

$245.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

SPECIAL ORDER Item from USA. 4-6 weeks delivery

Spring Rate: 0.26 kg/mm

$245.00
3 In Stock

Spring Rate: 0.28 kg/mm

$245.00
2 In Stock

Spring Rate: 0.30 kg/mm

$245.00
Special Order

Spring Rate: 0.32 kg/mm

$245.00
4 In Stock

Spring Rate: 0.34 kg/mm

$245.00
6 In Stock

Spring Rate: 0.36 kg/mm

$245.00
Special Order

Spring Rate: 0.38 kg/mm

$245.00
6 In Stock

Spring Rate: 0.40 kg/mm

$245.00
6 In Stock

Spring Rate: 0.50 kg/mm

$345.00
Special Order

HiCalibre Shock Spring 55 x 225 Common Fitment Yamaha YZ85

HiCalibre

HiCalibre Shock Spring 55 x 225 Common Fitment Yamaha YZ85

Proudly made in the USA
(SKU: 20-025)

From $245.00

Colour: Black or White
Spring Rate: 3.4 kg/mm

$245.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

SPECIAL ORDER Item from USA. 4-6 weeks delivery

Colour: Black or White
Spring Rate: 3.6 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 3.8 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 4.0 kg/mm

$245.00
3 In Stock

Colour: Black or White
Spring Rate: 4.2 kg/mm

$245.00
6 In Stock

Colour: Black or White
Spring Rate: 4.4 kg/mm

$245.00
3 In Stock

Colour: Black or White
Spring Rate: 4.6 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 4.8 kg/mm

$245.00
5 In Stock

Colour: Black or White
Spring Rate: 5.0 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 5.2 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 5.4 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 5.6 kg/mm

$245.00
5 In Stock

Colour: Black or White
Spring Rate: 5.8 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 6.6 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 6.8 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 6.0 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 6.2 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 6.4 kg/mm

$245.00
Special Order

Colour: Black or White
Spring Rate: 7.8 kg/mm

$345.00
6 In Stock

M12 x 1.5 Thin Self Locking Steel Insert Fujilok

Fuji Seimitsu Co Ltd

M12 x 1.5 Thin Self Locking Steel Insert Fujilok

Self Locking Steel Insert Fujilok
(SKU: 22-625-00)

$4.98
3654 In Stock

Teknik Schrader Valve Cap

Teknik Motorsport

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
815 In Stock

All Balls Rear Shock Seal Kit - Suzuki/Yamaha RM85/YZ80/85

All Balls

All Balls Rear Shock Seal Kit - Suzuki/Yamaha RM85/YZ80/85

14 ID 40 OD
(SKU: 37-1010)

Shock Bore Ø D (mm): 40.0

Shock Shaft Ø D (mm): 14.0

Height H (mm): 24.0

$95.00
5 In Stock

Xtrig Holeshot 47,2mm YZ85 19-24

XTRIG

Xtrig Holeshot 47,2mm YZ85 19-24

Holeshot with one snap-in position
(SKU: 70100023)

Colour: X-Trig Brown

$160.00
1 In Stock

Xtrig Holeshot HiLo 47,2mm YZ85 19-24

XTRIG

Xtrig Holeshot HiLo 47,2mm YZ85 19-24

Holeshot with two locking positions
(SKU: 70100024)

Colour: X-Trig Brown

$190.00
2 In Stock

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