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
-
MOOSE RACING Fork Bushing Kit 38-6135
MOOSE RACING
$51.95Fork bushings wear faster than most riders realize, leading to sloppy handling and increased seal wear that compromises your suspension's performance. The MOOSE RACING Fork Bushing Kit 38-6135 delivers OEM-quality replacement bushings that restore...04500517- SKU:
- 04500517
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- -
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- -
- INNER BUSHING WIDTH IMPERIAL:
- -
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MATERIAL:
- PTFE
$51.95 -
MOOSE RACING Fork Bushing Kit 38-6136
MOOSE RACING
$61.95Fork bushings wear faster than most riders realize, leading to sloppy suspension feel and unpredictable handling that compounds over a season of hard riding. The MOOSE RACING Fork Bushing Kit 38-6136 delivers OEM-grade reliability with improved...04500559- SKU:
- 04500559
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- BUSHING KIT
$61.95 -
MOOSE RACING Fork Bushing Kit 38-6137
MOOSE RACING
$61.95Fork bushings are critical wear items that directly impact your suspension's responsiveness and longevity. Original equipment bushings degrade under repeated compression cycles, leading to excessive play, inconsistent damping, and premature seal failure...04500560- SKU:
- 04500560
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- PTFE
- PRODUCT NAME:
- BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$61.95 -
MOOSE RACING Fork Bushing Kit 38-6138
MOOSE RACING
$64.95Fork bushings wear faster than most riders realize, leading to sloppy steering feel and unpredictable handling that compounds over a season. The MOOSE RACING Fork Bushing Kit 38-6138 restores precision steering geometry and eliminates lateral play in...04500561- SKU:
- 04500561
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- BUSHING KIT
- UNITS:
- KIT
$64.95 -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6014
MOOSE RACING
$54.95Fork bushings endure thousands of compression cycles, and worn bushings translate directly to sloppy steering response and accelerated seal degradation. The MOOSE RACING Fork Bushing Kit restores tight tolerances and eliminates play in your front end,...04500118- SKU:
- 04500118
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MATERIAL:
- PTFE
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.72'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.90 MM
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- PRODUCT NAME:
- BUSHING KIT
$54.95 -
MOOSE RACING Neoprene Fork Skins - 32 mm-43 mm D - 356 mm (14") L - 3 mm Thick - 85 cc and smaller 0406-0011
MOOSE RACING
$27.95Fork seals and tubes are constantly exposed to dust, dirt, and corrosive road spray—damage that accumulates quickly on the track or trail. MOOSE Racing neoprene fork skins provide a durable barrier that keeps contaminants away from critical suspension...04060011- SKU:
- 04060011
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- 32.00 MM - 43.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- FORK SKINS
- OVERALL LENGTH IMPERIAL:
- 14.00'
- MATERIAL:
- NEOPRENE
- TYPE:
- 85 CC AND UNDER
$27.95Qty in Cart: 0Quantity:Price:$27.95Subtotal: -
MOOSE RACING Fork Seal Kit - 43 mm 56-137
MOOSE RACING
$39.95Fork seals wear faster than most riders expect, causing oil weeping that compromises suspension performance and fork stiffness. The MOOSE RACING 43mm Fork Seal Kit replaces worn seals with a patented MAX-LIFE compound that reduces friction by up to 3x...04070095- SKU:
- 04070095
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM
- INSIDE DIAMETER METRIC:
- 43.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 55.35 MM
$39.95 -
MOOSE RACING Fork Bushing Kit 38-6037
MOOSE RACING
$57.95Fork bushings wear faster than most riders realize, leading to sloppy handling and accelerated seal degradation. The MOOSE RACING Fork Bushing Kit 38-6037 replaces worn bushings with components dyno-tested to withstand 500,000 strokes while maintaining...04500578- SKU:
- 04500578
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$57.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6130
MOOSE RACING
$51.95Fork bushings wear down with every ride, compromising your suspension's response and increasing friction that robs you of performance. The MOOSE RACING Fork Bushing Kit delivers precision-engineered replacements that restore your fork's original geometry...04500481- SKU:
- 04500481
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- PTFE
- INNER BUSHING INSIDE DIAMETER METRIC:
- 47.80 MM
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.96'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- PRODUCT NAME:
- BUSHING KIT
$51.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6134
MOOSE RACING
$53.95Fork bushings wear out faster than most riders realize, leading to sloppy steering response and accelerated seal degradation. The MOOSE RACING Fork Bushing Kit delivers OEM-level fitment with significantly improved durability, keeping your suspension...04500483- SKU:
- 04500483
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 47.80 MM
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.96'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
$53.95Qty in Cart: 0Quantity:Price:$53.95Subtotal: -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6005
MOOSE RACING
$55.95Fork bushings wear faster than most riders realize, and degraded bushings create vague handling, excess play, and accelerated seal wear. The MOOSE RACING Fork Bushing Kit delivers OEM-quality geometry with superior wear resistance, keeping your forks...04500114- SKU:
- 04500114
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.72'
- MATERIAL:
- PTFE
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.90 MM
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$55.95Qty in Cart: 0Quantity:Price:$55.95Subtotal: -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6009
MOOSE RACING
$65.95Your fork bushings wear faster than you'd like, causing play in the sliders and degrading handling precision lap after lap. The MOOSE RACING Fork Bushing Kit delivers dyno-proven durability—tested to 500,000 strokes with measurably less wear than OEM...04500115- SKU:
- 04500115
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.90 MM
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.72'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- BUSHING KIT
$65.95 -
MOOSE RACING Fork Seal/Wiper Kit - 47 mm 118888470101
MOOSE RACING
$49.95Fork seals are critical wear items that directly impact your suspension's performance and reliability. Over time, OEM seals degrade, leading to oil leakage, reduced damping, and costly fork damage. The MOOSE RACING Fork Seal/Wiper Kit delivers genuine...04070659- SKU:
- 04070659
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- INSIDE DIAMETER METRIC:
- 47.00 MM
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$49.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 41 mm 119999410101
MOOSE RACING
$78.95A worn fork seal kit compromises suspension performance, increases oil leakage, and accelerates internal component wear—ultimately degrading your bike's handling and damaging expensive fork internals. The MOOSE RACING Premium Fork/Dust Seal Kit restores...04500540- SKU:
- 04500540
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$78.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 43 mm 119999430101
MOOSE RACING
$78.95Fork seal degradation compromises suspension performance and can lead to costly damage if left unaddressed. This MOOSE Racing Premium Fork/Dust Seal Kit restores your 43mm fork to factory specifications with pre-assembled components, eliminating...04500541- SKU:
- 04500541
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$78.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 47 mm 119999470101
MOOSE RACING
$78.95Fork seals degrade with every ride—dirt, moisture, and heat break down elastomers, leading to oil weeping, reduced damping performance, and potential suspension failure. The MOOSE RACING Premium Fork/Dust Seal Kit restores your suspension to factory...04500542- SKU:
- 04500542
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$78.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 48 mm 119999480101
MOOSE RACING
$78.95A properly sealed fork is non-negotiable for consistent suspension performance and longevity. When dust seals and internal components wear, your fork loses oil, gains contamination, and becomes unpredictable in the dirt. This premium rebuild kit from...04500543- SKU:
- 04500543
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$78.95 -
WORKS CONNECTION Pro Launch Start Device 12-333
WORKS CONNECTION
$164.95A reliable launch control device is non-negotiable for consistent starts in competitive racing. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of spring-based designs with its spring-less mechanism, giving you precise,...04500549- SKU:
- 04500549
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- FOR KAWASAKI
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$164.95 -
WORKS CONNECTION Pro Launch Start Device 12-622
WORKS CONNECTION
$164.95A consistent, reliable launch is the difference between winning and losing on the track. The WORKS CONNECTION Pro Launch Start Device eliminates the mechanical inconsistencies of traditional spring-loaded designs, giving you precise throttle control and...04500550- SKU:
- 04500550
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MODEL:
- FOR KTM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$164.95 -
MOOSE RACING Fork Seal Kit - 30 mm 56-106
MOOSE RACING
$37.95Fork seals degrade quickly under the demands of aggressive riding and racing, leading to oil leakage, reduced suspension performance, and costly damage to fork internals. The MOOSE RACING Fork Seal Kit addresses this with a patented MAX-LIFE compound...04070317- SKU:
- 04070317
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 30.00 MM
- THICKNESS METRIC:
- 10.00 MM
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 42.00 MM
$37.95