Suspension Parts for YAMAHA YZ450F 2018 – Shocks, Forks & Upgrades
Discover suspension parts guaranteed to fit the 2018 YAMAHA YZ450F. 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 2018 YAMAHA YZ450F.
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
0.50
Stock Shock Spring Rate
5.6
Bike Type
MX
Ideal Rider Weight
85 kg
Engine Specifications
4 Stroke Engine 450 cc
FORKS INFO
Fork Manufacturer
- Fork Type
- KYB USD 48 mm OD
Fork Dimensions
- Compression Nut Torque
- 48 in-lb (0.56 kgf-m)
- Fork Travel
- 300 mm
Fork Features
- Preload Adjuster
- 5 mm Range
- Twin Chamber Fork
- Yes
Fork Oil
- Fork Oil Weight
- SAE 2.5
- Oil Quanity
- 360cc
Fork Spring Information
- Spring Rate – Claimed
- 0.46
- Standard Preload
- 5 mm
Fork Comments
- Check floating piston for cracking
SHOCKS INFO
Shock Manufacturer
- Shock Type
- KYB 50 mm ID
Shock Dimensions
- Nitrogen Pressure
- 142 psi
- Shock Shaft Outer Diameter
- 16 mm
- Standard Sag
- 103 mm
- Shaft Nut Torque
- 25 ft-lbs (34 NM)
- Shock Oil
- 2.5 Weight
- Standard Preload
- 10
- Wheel Travel
- 300 mm
Shock Features
- Non-rebuildable
- No
Shock Comments
- Replace alloy shock collars with steel if binding.
Fitment-Matched Suspension Parts by Category
CHASSIS PARTS
11 PartsPlease wait, loading parts....
COMPLETE FRONT FORKS
8 PartsPlease wait, loading parts....
FORK UPGRADE PARTS
17 PartsPlease wait, loading parts....
FORK CARTRIDGE ASSEMBLY PARTS
13 PartsPlease wait, loading parts....
FORK SEALS & BUSHES
15 PartsPlease wait, loading parts....
FORK COMPRESSION ADJUSTER ASSY
31 PartsPlease wait, loading parts....
FORK CARTRIDGE ROD PARTS
18 PartsPlease wait, loading parts....
FORK UPPER & LOWER TUBE PARTS
19 PartsPlease wait, loading parts....
FORK O-RINGS
18 PartsPlease wait, loading parts....
SHOCK UPGRADE PARTS
17 PartsPlease wait, loading parts....
SHOCK BLADDER PARTS
13 PartsPlease wait, loading parts....
SHOCK SEAL CASE PARTS
14 PartsPlease wait, loading parts....
SHOCK SHAFT PARTS
18 PartsPlease wait, loading parts....
SHOCK BODY PARTS
18 PartsPlease wait, loading parts....
SHOCK PISTON PARTS
9 PartsPlease wait, loading parts....
SUSPENSION LOCKNUTS & BUSHES
28 PartsPlease wait, loading parts....
TOOLS & LUBRICANTS
51 PartsPlease wait, loading parts....
Please wait, loading parts....
All Fitment-Matched Suspension Parts
Browse All 277 Products for YAMAHA YZ450F 2018
ENZO Wrench for compression fork piston holder Showa/KYB Cartridge
Developed by Enzo Racing(SKU: ED59-37-290)
$50.00
14 In Stock
14 In Stock
Free piston ff circlip near bushing
Original KYB Japan Motorcycle Suspension Parts(SKU: 110290000201)
$3.74
256 In Stock
256 In Stock
$31.16
412 In Stock
412 In Stock
$2.24
27 In Stock
27 In Stock
Front Fork Bush Cylinder Head 12.5mm
OEM KYB Japan Motorcycle Suspension Service Parts(SKU: 110231000301)
$10.97
19 In Stock
19 In Stock
Front Fork Bush Cylinder Head 12.5mm
OEM KYB Japan Motorcycle Suspension Service Parts(SKU: 110231200101)
$10.97
27 In Stock
27 In Stock
Front Fork Cartridge Seal 12,5mm x 18 x 3
Original KYB Japan Motorcycle Suspension Parts(SKU: 110210000401)
$30.42
30 In Stock
30 In Stock
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
$44.29
101 In Stock
101 In Stock
You are on page 8 of 28
