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
-
SDI Fork Preload Spacer - 10 mm SDEFSP25-10
SDI
$5.95Fork Preload Spacer - 10 mm Easiest way to adjust preload on twin chamber forks, Made in the U.S.A04500605- SKU:
- 04500605
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95 -
SDI Fork Preload Spacer - 2.5 mm SDEFSP25-25
SDI
$5.95Fork Preload Spacer - 2.5 mm Easiest way to adjust preload on twin chamber forks, Made in the U.S.A04500606- SKU:
- 04500606
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: -
SDI Spring Perch Set - CRF SDETCV23SET
SDI
$144.95Spring Perch Set - CRF Modifiable to suit your needs (SX, MX, FMX, Enduro), Greatly improves bottoming resistance and deep stroke performance, Requires some modification to suit your needs, comes with guide, Made in the U.S.A04500607- SKU:
- 04500607
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$144.95 -
SDI Spring Perch Set - YZ250F/450F SDETCV24-MX-SET
SDI
$104.95Spring Perch Set - SDETCV24-MX-SET Customizable for various riding styles: SX, MX, FMX, and Enduro. Significantly enhances bottoming resistance for a smoother ride. Improves deep stroke performance, allowing for better handling on rough...04500608- SKU:
- 04500608
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$104.95 -
SDI Spring Perch Set SDETCV24-SET
SDI
$104.95Spring Perch Set Modifiable to suit your needs (SX, MX, FMX, Enduro), Greatly improves bottoming resistance and deep stroke performance, Requires some modification to suit your needs, comes with guide, Made in the U.S.A04500609- SKU:
- 04500609
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$104.95 -
SDI Spring Perch Set SDETCV25-SET
SDI
$104.95Spring Perch Set SDETCV25-SET Customizable for various applications: SX, MX, FMX, and Enduro. Enhances bottoming resistance for improved ride quality. Boosts deep stroke performance for a smoother experience. Includes a comprehensive...04500610- SKU:
- 04500610
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$104.95 -
SDI Spring Perch Set - KTM/Husqvarna SDETCVWP
SDI
$104.95Spring Perch Set - KTM/Husqvarna Modifiable to suit your needs (SX, MX, FMX, Enduro), Greatly improves bottoming resistance and deep stroke performance, Requires some modification to suit your needs, comes with guide, Made in the U.S.A04500611- SKU:
- 04500611
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$104.95 -
SDI Spring Perch Set - YZ250F/450F SDETCV18-MXSET
SDI
$104.95Spring Perch Set - SDETCV18-MXSET Customizable for various riding styles: SX, MX, FMX, and Enduro. Enhances bottoming resistance for a smoother ride. Improves deep stroke performance for better handling. Includes a comprehensive guide...04500612- SKU:
- 04500612
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$104.95 -
SDI Spring Perch Set - YZ250F/450F SDETCVY18-SET
SDI
$104.95Spring Perch Set - SDETCVY18-SET Customizable for various riding styles: SX, MX, FMX, and Enduro. Significantly enhances bottoming resistance for a smoother ride. Improves deep stroke performance for better handling. Includes a...04500613- SKU:
- 04500613
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$104.95 -
SDI DU Piston Bushing Conversion Kit - 46 mm DRPBK-KYB46
SDI
$15.95DU Piston Bushing Conversion Kit - 46 mm (DRPBK-KYB46) Replaces stock wear band for enhanced performance Standard piston rings experience significant wear in the first five hours Designed to reduce friction for smoother operation Ensures...04500614- SKU:
- 04500614
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-KTB50
SDI
$15.95DU Piston Bushing Conversion Kit - DRPBK-KTB50 Designed for 50 mm applications for enhanced performance. Replaces stock wear band for improved durability. Minimizes friction, ensuring smoother operation. Maintains consistent damping...04500615- SKU:
- 04500615
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 40 mm DRPBK-SH40
SDI
$15.95DU Piston Bushing Conversion Kit - 40 mm Replaces stock wear band; standard piston rings often wear dramatically in the first five hours changing low-speed damping, Designed to lower friction and create consistent damping for the life of your oil04500616- SKU:
- 04500616
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-SH50
SDI
$15.95DU Piston Bushing Conversion Kit - 50 mm Replaces stock wear band; standard piston rings often wear dramatically in the first five hours changing low-speed damping, Designed to lower friction and create consistent damping for the life of your oil04500617- SKU:
- 04500617
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 36 mm DRPBK-WP36
SDI
$15.95DU Piston Bushing Conversion Kit - 36 mm Replaces stock wear band; standard piston rings often wear dramatically in the first five hours changing low-speed damping, Designed to lower friction and create consistent damping for the life of your oil04500618- SKU:
- 04500618
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
SDI DU Piston Bushing Conversion Kit - 46 mm DRPBK-WP46XPL
SDI
$15.95DU Piston Bushing Conversion Kit - 46 mm Replaces stock wear band; standard piston rings often wear dramatically in the first five hours changing low-speed damping, Designed to lower friction and create consistent damping for the life of your oil04500619- SKU:
- 04500619
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-WP50
SDI
$15.95DU Piston Bushing Conversion Kit - DRPBK-WP50 Replaces stock wear band for enhanced performance Designed to lower friction and improve efficiency Ensures consistent damping throughout the oil's lifespan Addresses rapid wear of standard...04500620- SKU:
- 04500620
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-WP5016
SDI
$15.95DU Piston Bushing Conversion Kit - 50 mm Replaces stock wear band; standard piston rings often wear dramatically in the first five hours changing low-speed damping, Designed to lower friction and create consistent damping for the life of your oil04500621- SKU:
- 04500621
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-WP50PDS
SDI
$15.95DU Piston Bushing Conversion Kit - 50 mm (DRPBK-WP50PDS) Replaces stock wear band for enhanced durability. Standard piston rings often wear within the first five hours. Designed to reduce friction for improved performance. Ensures...04500622- SKU:
- 04500622
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95 -
SDI DU Piston Bushing Conversion Kit - 40 mm DRPBK-KYB40
SDI
$15.95DU Piston Bushing Conversion Kit - 40 mm Replaces stock wear band; standard piston rings often wear dramatically in the first five hours changing low-speed damping, Designed to lower friction and create consistent damping for the life of your oil04500623- SKU:
- 04500623
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95 -
SDI Fork Service Kit - 43 mm KFSK43
SDI
$79.95Fork Service Kit - 43 mm - KFSK43 Comprehensive kit designed specifically for 43 mm forks. Includes all essential components for a complete fork service. High-quality materials ensure durability and reliability. Easy to follow...04500625- SKU:
- 04500625
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
$79.95
