Suspension Parts for 2021 KTM 350 EXC-F Six Days Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2021 KTM 350 EXC-F Six Days. 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 KTM 350 EXC-F Six Days.

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

4.4 N/mm

Stock Shock Spring Rate

63-66-69

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 349.7 cc

FORKS INFO

Fork Manufacturer

: WP USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 300 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 4
Fork Oil Level: 625 cc (615-635cc) mm
Oil Quanity: 2 Litres required for job

Fork Spring Information

Spring Rate – Claimed: 4.4 N/mm
Standard Preload: 8 mm

Fork Comments

: Spring rates from WP official. Red adjuter right rebound side. Stock Orange seals produce drag after a few hours use.

SHOCKS INFO

Shock Manufacturer

WP: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 105-115 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 7-8mm
Wheel Travel: 310 mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 63-66-69 kg/mm

Shock Comments

: Spring Rates from WP official. Shock rate suggestion is progressive mid number.

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

3 Parts

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FACTORY RACING KIT SUSPENSION

4 Parts

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FORK & SHOCK UPGRADE PACKS

5 Parts

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COMPLETE FRONT FORKS

1 Parts

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FORK CARTRIDGE KITS

3 Parts

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FORK REBUILD KITS

6 Parts

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FORK UPGRADE PARTS

12 Parts

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FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

7 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

3 Parts

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FORK SEALS & BUSHES

13 Parts

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FORK UPPER & LOWER TUBE PARTS

2 Parts

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SHOCK UPGRADE PARTS

8 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

2 Parts

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SHOCK SPRING RETAINERS /BUMPERS

1 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

5 Parts

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SHOCK PISTON PARTS

2 Parts

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SUSPENSION LOCKNUTS & BUSHES

1 Parts

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TOOLS & LUBRICANTS

18 Parts

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All Fitment-Matched Suspension Parts

Browse All 75 Products for KTM 350 EXC-F Six Days 2021

WP Shock Clevis Jam Nut Socket

Motion Pro

WP Shock Clevis Jam Nut Socket

Reaches the shaft jam nut in WP
(SKU: 08-0730)

$79.75
3 In Stock

Xtrig Preload Adjuster KTM EXC/EXC-F/XC-W 17- on

XTRIG

Xtrig Preload Adjuster KTM EXC/EXC-F/XC-W 17- on

Quickly adjust shock spring preload
(SKU: 10500004)

Thread Size: M53 x 1.0

$330.00
1 In Stock

Fork Tubes NOK Oil Seals Pair - 48mm WP

Kayaba (KYB) Genuine Motorcycle Parts

Fork Tubes NOK Oil Seals Pair - 48mm WP

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110010000302)

$51.19
66 In Stock

Kayaba (KYB) Genuine Parts Front Fork Piston Metal (Pair) 48mm KYB - WP

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork Piston Metal (Pair) 48mm KYB - WP

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110034800102)

Inside Diameter d (mm): 46.5

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 20.0

Outside Ø D (mm): 48.5

Wall Thickness (mm): 1.0

$42.78
41 In Stock

Kayaba (KYB) Genuine Parts Front Fork Service Kit WP 48mm

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork Service Kit WP 48mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 119994807001)

Fork Inner Tube Ø d (mm): 48.0

$175.32
29 In Stock

KYB Cartridge Kit for WP XPLOR 48 Front Fork

KYB Cartridge Kit for WP XPLOR 48 Front Fork

Genuine KYB Factory Race Parts
(SKU: 162018002601)

Fork Length (mm): 928.0

$2,868.58
1 In Stock

HiCalibre Fork Springs 43.8 x 470 Common Fitment YZF WP Xplor 4CS

HiCalibre

HiCalibre Fork Springs 43.8 x 470 Common Fitment YZF WP Xplor 4CS

Proudly made in the USA
(SKU: 19-210)

Spring Rate: 0.38 kg/mm

$245.00
Special Order

Spring Rate: 0.40 kg/mm

$245.00
Special Order

Spring Rate: 0.42 kg/mm

$245.00
Special Order

Spring Rate: 0.44 kg/mm

$245.00
Special Order

Spring Rate: 0.46 kg/mm

$245.00
Special Order

Spring Rate: 0.48 kg/mm

$245.00
Special Order

Spring Rate: 0.50 kg/mm

$245.00
Special Order

Spring Rate: 0.52 kg/mm

$245.00
Special Order

Spring Rate: 0.54 kg/mm

$245.00
Special Order

Spring Rate: 0.56 kg/mm

$245.00
Special Order

Spring Rate: 0.70 kg/mm

$245.00
Special Order

Spring Rate: 0.68 kg/mm

$245.00
Special Order

Spring Rate: 0.66 kg/mm

$245.00
Special Order

Spring Rate: 0.64 kg/mm

$245.00
Special Order

Spring Rate: 0.62 kg/mm

$245.00
Special Order

Spring Rate: 0.60 kg/mm

$245.00
Special Order

Spring Rate: 0.36 kg/mm

$245.00
Special Order

Spring Rate: 0.58 kg/mm

$245.00
Special Order

RCU RESERVOIR BLADDER CONVERSION 49.00mm WP XPLOR/ 46mm

K-Tech

RCU RESERVOIR BLADDER CONVERSION 49.00mm WP XPLOR/ 46mm

KTM / Husqvarna XPlor PDS & 85cc
(SKU: 211-900-110)

$179.95
1 In Stock

Teflon Shaft Bushing - 18 x 20 x 12

Teknik Motorsport

Teflon Shaft Bushing - 18 x 20 x 12

18mm id x 20mm od x 12mm Length
(SKU: 22-080-01)

$2.75
96 In Stock

Bump Stop Rubber 18 x 58 x 55 (WP 4618 1237)

Teknik Motorsport

Bump Stop Rubber 18 x 58 x 55 (WP 4618 1237)

18mm id x 58mm od x 55mm tall - WP Late PDS
(SKU: 22-286-02)

Height H (mm): 55.0

Outside Ø D (mm): 58.0

$22.00
1004 In Stock

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