Dirt Bike Front Suspension
Dirt Bike Front Suspension Parts: Fork Springs, Guards & Launch Devices for Yamaha at JJ Motorsports
Enhance your dirt bike's front suspension with premium parts from JJ Motorsports, designed for smoother damping and protection in motocross, enduro, and trail riding. These components improve handling and reduce wear for reliable performance.
Shop Works Connection, Moose Racing, and Polisport front suspension parts for durable, easy-to-install upgrades. Explore related categories such as dirt bike suspension for shocks and bushings, or dirt bike for full builds to complete your setup and achieve balanced, responsive handling across all conditions, from high-speed jumps to technical singletrack.
Top Dirt Bike Front Suspension Parts
- Works Connection Pro Launch Start Device Yamaha 12-416 – Adjustable launch device for Yamaha YZ; reduces fork compression for better starts.
- Moose Racing Fork Springs 31 mm 2.4 N/mm 0405-1120 – Progressive fork springs for 31mm tubes; improves damping on Kawasaki KX models.
- Polisport Fork Guard Cover Black 8398100002 – Black plastic fork guards; protects stanchions from rocks on Honda CRF.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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KYB Fork Cartridge Seals - Black 110210000201
KYB
$10.95Fork Cartridge Seals - Black OE replacement04130033- SKU:
- 04130033
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$10.95 -
KYB Dust Seal Set - 46 mm 110024600202
KYB
$24.95Dust Seal Set - 46 mm OE replacement04070170- SKU:
- 04070170
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
$24.95 -
MOOSE OFFROAD Fork Seal Kit - 35 mm 56-157
MOOSE OFFROAD
$39.95Fork Seal Kit - 35 mm Seal profile is engineered to create equal pressure in each seal lip; equalized seal pressure creates less drag and longer seal life, Patented MAX-LIFE has a coefficient of friction up to 3 times less than the OEM seal material,...04070356- SKU:
- 04070356
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$39.95 -
UFO Fork Tube Protectors - White - YZ YA02838-046
UFO
$29.95Fork Tube Protectors - White - YZ Fork tube protectors are color matched to OEM or optional works colors, Pre-drilled pieces mount easily to stock locations04120545- SKU:
- 04120545
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Slider Protectors - White HO03672041
UFO
$29.95Fork Slider Protectors - White Pre-drilled pieces mount easily to stock locations1270129- SKU:
- 1270129
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$29.95 -
UFO Fork Tube Protectors - White - RM - '99-'03 SU03905041
UFO
$29.95Fork Tube Protectors - White - RM - '99-'03 Pre-drilled pieces mount easily to stock locations1271229- SKU:
- 1271229
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
WORKS CONNECTION Pro Launch Start Device - Yamaha 12-416
WORKS CONNECTION
$148.95Pro Launch Start Device - 12-416 CNC-machined from high-quality aircraft-grade aluminum for durability Innovative spring-less design ensures reliable engagement and smooth release Rider-friendly start trigger allows for easy adjustments ...04500225- SKU:
- 04500225
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$148.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-631
WORKS CONNECTION
$148.95Pro Launch Start Device - 12-631 CNC-machined from durable aircraft-grade aluminum for maximum strength. Innovative spring-less design ensures reliable engagement and consistent release. Customizable start trigger allows for easy adjustments...04500558- SKU:
- 04500558
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-722
WORKS CONNECTION
$148.95Pro Launch Start Device CNC-machined exclusively from aircraft-grade aluminum, Spring-less design delivers positive engagement and consistent release, Easily set by rider start trigger, Lightweight, complete assembly only 50 g, Laser-etched logo , Custom...04500579- SKU:
- 04500579
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-800
WORKS CONNECTION
$141.95Pro Launch Start Device 12-800 CNC-machined from durable aircraft-grade aluminum for superior strength. Innovative spring-less design ensures reliable engagement and consistent release. Quick and easy setup with a rider start trigger for...04500580- SKU:
- 04500580
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$141.95 -
WORKS CONNECTION Pro Launch Start Device 12-905
WORKS CONNECTION
$148.95Pro Launch Start Device 12-905 CNC-machined from premium aircraft-grade aluminum for durability. Innovative spring-less design ensures reliable engagement and smooth release. Quick and easy setup with a rider start trigger for convenience. ...04500582- SKU:
- 04500582
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$148.95 -
SDI Free Piston Assembly SDEFFPA-SFF
SDI
$62.95Free Piston Assembly More durable than stock plastic piston, Improved design, Comes assembled with all necessary bushings, o-rings and seals, Completely rebuildable for service, Made in the U.S.A04500596- SKU:
- 04500596
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Free Piston Assembly - 49 mm SDEFFPA-TAC
SDI
$59.95Free Piston Assembly - SDEFFPA-TAC Durable construction surpassing standard plastic pistons Enhanced design for improved performance Includes all essential bushings, o-rings, and seals for easy installation Fully rebuildable, allowing...04500597- SKU:
- 04500597
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$59.95 -
SDI Free Piston Assembly - 49 mm SDEFFPA-TAC-SET
SDI
$104.95Free Piston Assembly - SDEFFPA-TAC-SET Durable construction surpassing standard plastic pistons Enhanced design for improved performance and reliability Includes all essential bushings, o-rings, and seals pre-assembled Fully rebuildable...04500598- SKU:
- 04500598
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$104.95 -
SDI Free Piston Assembly - 48 mm SDEFFPA09
SDI
$59.95Free Piston Assembly - 48 mm SDEFFPA09 Enhanced durability surpassing standard plastic pistons Innovative design for improved performance Pre-assembled with essential bushings, o-rings, and seals Fully rebuildable for easy servicing ...04500599- SKU:
- 04500599
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
SDI Free Piston Assembly - 48 mm SDEFFPA09-SET
SDI
$104.95Free Piston Assembly - SDEFFPA09-SET Constructed with high-quality materials for enhanced durability. Superior design compared to standard plastic pistons. Fully assembled with essential bushings, o-rings, and seals included. Rebuildable...04500600- SKU:
- 04500600
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$104.95 -
SDI Fork Preload Spacer - 5 mm SDEFSP05
SDI
$5.95Fork Preload Spacer - 5 mm Easiest way to adjust preload on twin chamber forks, Made in the U.S.A04500601- SKU:
- 04500601
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95 -
SDI Fork Preload Spacer - 10 mm SDEFSP10
SDI
$5.95Fork Preload Spacer - 10 mm Easiest way to adjust preload on twin chamber forks, Made in the U.S.A04500602- SKU:
- 04500602
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95 -
SDI Fork Preload Spacer - 2.5 mm SDEFSP25
SDI
$5.95Fork Preload Spacer - 2.5 mm - SDEFSP25 Optimizes fork performance with precise preload adjustment. Designed specifically for twin chamber forks. Manufactured in the U.S.A for superior quality. Easy installation process for quick...04500603- SKU:
- 04500603
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95 -
SDI Fork Preload Spacer - 5 mm SDEFSP25-05
SDI
$5.95Fork Preload Spacer - 5 mm Easiest way to adjust preload on twin chamber forks, Made in the U.S.A04500604- SKU:
- 04500604
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95