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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PIVOT WORKS Fork Seal Kit - 35 mm ID x 46 mm OD PWFSK-Z034
PIVOT WORKS
$65.37Fork seals degrade over time, allowing oil to leak and compromising suspension performance and handling precision. This PIVOT WORKS kit delivers OEM-quality replacement seals at a fraction of full rebuild costs, making it the smart choice for riders who...04070384- SKU:
- 04070384
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- INSIDE DIAMETER METRIC:
- 35.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- OUTSIDE DIAMETER METRIC:
- 46.00 MM
$65.37Qty in Cart: 0Quantity:Price:$65.37Subtotal: -
PIVOT WORKS Fork Seal Kit - 33 mm ID x 46 mm OD PWFSK-Z035
PIVOT WORKS
$47.17Fork seals degrade with every ride—dirt ingress and oil leakage compromise suspension performance and can lead to costly damage to fork internals. This PIVOT WORKS kit delivers OEM-quality seals at a fraction of rebuild kit pricing, making it the smart...04070385- SKU:
- 04070385
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER METRIC:
- 46.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 33.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$47.17 -
PIVOT WORKS Fork Seal Kit - 43 mm ID x 55 mm OD PWFSK-Z021
PIVOT WORKS
$61.37Worn fork seals lead to oil leakage, reduced damping performance, and accelerated wear on fork tubes—problems that compound quickly on the track or trail. This PIVOT WORKS Fork Seal Kit gives you a straightforward, cost-effective way to restore proper...04070386- SKU:
- 04070386
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
$61.37 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-T07-000
PIVOT WORKS
$124.26Fork seals and bushings wear under the constant stress of compression cycles, damping adjustments, and dirt infiltration—leading to oil leakage, reduced responsiveness, and accelerated component damage. The PIVOT WORKS Fork Seal/Bushing Kit PWFFK-T07-000...04070328- SKU:
- 04070328
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- TYPE:
- FORK
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$124.26 -
PIVOT WORKS Fork Seal Kit - 48 mm ID x 58 mm OD PWFSK-Z016
PIVOT WORKS
$56.76Worn fork seals compromise suspension performance and invite contamination into your fork internals—a costly problem that cascades into poor handling and accelerated component wear. This PIVOT WORKS kit delivers OEM-quality seals at a fraction of a full...04070329- SKU:
- 04070329
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- INSIDE DIAMETER METRIC:
- 48.00 MM
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
$56.76Qty in Cart: 0Quantity:Price:$56.76Subtotal: -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-H11-521
PIVOT WORKS
$119.60Fork seals and bushings wear down with every ride, leading to oil leakage, sloppy handling, and potential suspension damage. This complete PIVOT WORKS kit gives you everything needed to restore your fork's performance and precision in one purchase,...04070301- SKU:
- 04070301
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- TYPE:
- FORK
- UNITS:
- KIT
$119.60 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-Y04-400
PIVOT WORKS
$118.02Worn fork seals and bushings compromise suspension performance, introduce fluid leaks, and accelerate component degradation. The PIVOT WORKS Fork Seal/Bushing Kit PWFFK-Y04-400 delivers everything required for a complete front-end rebuild, restoring...04070047- SKU:
- 04070047
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
$118.02 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-K09-021
PIVOT WORKS
$118.02Fork seals wear faster than most riders realize, leading to oil leakage, reduced damping performance, and accelerated bushing wear. This complete PIVOT WORKS kit eliminates the need to source components separately—you get seals, wipers, and bushings in...04070193- SKU:
- 04070193
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$118.02 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-K10-021
PIVOT WORKS
$118.02Fork seal and bushing wear is one of the most common sources of sloppy handling and oil leakage in off-road and racing applications. The PIVOT WORKS Fork Seal/Bushing Kit PWFFK-K10-021 gives you a complete refresh of your fork internals with OEM-quality...04070194- SKU:
- 04070194
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$118.02 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-S13-021
PIVOT WORKS
$118.02Fork seal degradation leads to oil leakage, loss of damping control, and premature bushing wear—all of which compromise suspension performance and rider safety. The PIVOT WORKS Fork Seal/Bushing Kit delivers a complete solution with OEM-quality seals,...04070195- SKU:
- 04070195
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$118.02 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-H08-001
PIVOT WORKS
$116.88Fork seal degradation is one of the most common causes of oil leakage, loss of damping performance, and accelerated bushing wear—all of which compromise handling and safety. The PIVOT WORKS Fork Seal/Bushing Kit delivers a complete restoration solution,...04070273- SKU:
- 04070273
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL AND BUSHING KIT
$116.88Qty in Cart: 0Quantity:Price:$116.88Subtotal: -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-H10-008
PIVOT WORKS
$101.28Fork seals and bushings wear under constant suspension stress, leading to oil leaks, sloppy handling, and accelerated component degradation. This complete kit eliminates the need for multiple purchases and ensures your front end performs with the...04070275- SKU:
- 04070275
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL AND BUSHING KIT
$101.28 -
UFO Fork Cover - White - KX - '96-'00 KA03704280
UFO
$29.95Protect your fork tubes from mud, debris, and UV damage while maintaining a clean, factory appearance. UFO fork covers are engineered to fit precisely on your KX model without requiring modifications or additional fabrication. With pre-drilled mounting...1270729- SKU:
- 1270729
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- PRODUCT NAME:
- PROTECTORS
- COLOR/FINISH:
- WHITE
- TYPE:
- FORK SLIDER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- BASE COLOR:
- WHITE
- MATERIAL:
- PLASTIC
$29.95 -
UFO Fork Cover - Black - KX - '96-'00 KA03704001
UFO
$29.95Protect your fork tubes from mud, debris, and UV exposure while maintaining a clean, factory-appearance aesthetic. The UFO Fork Cover shields critical suspension components from premature wear and corrosion, extending the life of your front-end geometry...1270733- SKU:
- 1270733
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- PROTECTORS
- TYPE:
- FORK SLIDER
- UNITS:
- PAIR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
$29.95 -
UFO Fork Cover - White - RM - '92-'93 SU02943041
UFO
$29.95Keep your RM fork protected from trail debris, mud, and UV damage with a genuine UFO fork cover engineered for a perfect fit. Pre-drilled mounting holes align with your stock attachment points, making installation straightforward without modifications or...1271129- SKU:
- 1271129
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- PROTECTOR
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK TUBE
- MATERIAL:
- PLASTIC
- UNITS:
- PAIR
$29.95 -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 414644
RACE TECH
$149.99Precision fork tuning demands springs engineered to exacting standards, and RACE TECH delivers exactly that with this 0.44 kg/mm spring. If you're chasing lap time consistency or need predictable suspension geometry across varying track conditions, rate...FRSP414644- SKU:
- FRSP414644
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.19'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 414744
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent, predictable performance lap after lap. The RACE TECH 0.44 kg/mm fork springs are engineered for riders who need exact rate accuracy and minimal compliance variation—whether you're dialing in...FRSP414744- SKU:
- FRSP414744
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- LENGTH IMPERIAL:
- 18.54'
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.42 kg/mm LSA-042
FACTORY CONNECTION
$159.95Suspension performance hinges on spring consistency—and cheap springs fade under track stress. Factory Connection's front fork springs deliver precision-engineered rate stability lap after lap, with heat-tempering and shot-peening that resists fatigue...LSA042- SKU:
- LSA042
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.44 kg/mm LSA-044
FACTORY CONNECTION
$159.95Precision fork tuning starts with the right spring rate, and Factory Connection's LSA-044 delivers the consistency that separates podium finishes from mid-pack rides. These U.S.-manufactured springs are cold-wound on CNC equipment and heat-tempered to...LSA044- SKU:
- LSA044
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95 -
FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LSB-048
FACTORY CONNECTION
$159.95Factory Connection front fork springs deliver the precision tuning your suspension demands, whether you're dialing in a championship-winning setup or refining your bike's handling characteristics. These springs maintain consistent rate consistency across...LSB048- SKU:
- LSB048
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal:
