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 Steering Stem Bearing Kit 22-1006
MOOSE RACING
$50.95Factory ball bearings wear quickly and demand constant maintenance—tapered roller bearings eliminate that hassle. The MOOSE RACING Steering Stem Bearing Kit 22-1006 drops into your existing steering tube, delivering smoother operation, extended service...04100023- SKU:
- 04100023
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
$50.95Qty in Cart: 0Quantity:Price:$50.95Subtotal: -
MOOSE RACING Fork Seal Kit - 31 mm 56-170
MOOSE RACING
$39.95Fork seals degrade under constant pressure and heat cycles, leading to oil leakage, air ingestion, and compromised suspension performance. The MOOSE RACING 31 mm Fork Seal Kit addresses this with a patented MAX-LIFE compound and engineered triple-lip...04070387- SKU:
- 04070387
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 31.00 MM
- OUTSIDE DIAMETER METRIC:
- 41.00 MM
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
$39.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 48 mm 119999480201
MOOSE RACING
$78.95Fork seals wear down with every ride, causing oil leakage, reduced damping performance, and potential suspension damage if left unchecked. The MOOSE RACING Premium Fork/Dust Seal Kit restores your suspension to factory specifications with pre-assembled...04500544- SKU:
- 04500544
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$78.95 -
MOOSE RACING Easy On Fork Skins - 32 mm-43 mm - 85 cc and smaller 0406-0035
MOOSE RACING
$27.95Fork skins are one of the most cost-effective upgrades you can make to extend the life of your suspension. By sealing out mud, dirt, and water contamination, they prevent premature fork seal degradation and the costly oil leaks that follow. Keep your...04060035- SKU:
- 04060035
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FORK SKINS
- COLOR/FINISH:
- BLACK
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- 32.00 MM - 43.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- 85 CC AND UNDER
- UNITS:
- KIT
$27.95 -
MOOSE RACING Lower Fork Leg Guard - Right Leg 32-245
MOOSE RACING
$49.95Protect your front suspension from trail debris and impact damage with the MOOSE RACING Lower Fork Leg Guard. This right-leg guard uses premium 6061 T-6 billet aluminum to deliver lightweight protection without compromising handling precision. Engineered...04060069- SKU:
- 04060069
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- POLISHED
- TYPE:
- RIGHT FORK LEG
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
$49.95 -
MOOSE RACING Fork Seal Kit - 50 mm 56-145
MOOSE RACING
$39.95Fork seals wear faster than most riders realize, and worn seals lead to oil leakage, reduced damping performance, and potential fork damage. The MOOSE RACING 50mm Fork Seal Kit directly addresses this with a patented seal material and triple-lip design...04070304- SKU:
- 04070304
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- INSIDE DIAMETER METRIC:
- 50.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 63.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- THICKNESS METRIC:
- 11.00 MM
$39.95 -
TMV Fork Air Bleeder - SHO/KAY 177120RD
TMV
$32.95Air trapped in your fork internals compromises suspension performance and creates inconsistent damping characteristics that affect your ride quality and handling precision. The TMV Fork Air Bleeder eliminates this problem with a simple button-press...04040558- SKU:
- 04040558
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- BLEEDER
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
TMV Fork Air Bleeder - WP 177121OR
TMV
$32.95Air trapped in your fork internals degrades suspension performance and creates unpredictable handling characteristics. The TMV Fork Air Bleeder eliminates this problem with a simple push-button design, allowing you to maintain consistent fork feel and...04040559- SKU:
- 04040559
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- BLEEDER
- TYPE:
- FORK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- COLOR/FINISH:
- ORANGE
$32.95 -
TMV Fork Air Bleeder - SHO/KAY 177120BU
TMV
$32.95Fork air entrapment compromises suspension performance and rider feedback, especially after extended riding or maintenance. The TMV Fork Air Bleeder eliminates this issue with a simple one-button release, restoring full suspension responsiveness without...04040557- SKU:
- 04040557
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BLEEDER
- COLOR/FINISH:
- BLUE
- TYPE:
- FORK
- UNITS:
- PAIR
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
MOOSE RACING Lower Fork Leg Guard - Right Leg 32-246
MOOSE RACING
$49.95Protect your fork legs from impact damage and debris without adding unnecessary weight to your suspension setup. The MOOSE RACING Lower Fork Leg Guard uses precision-machined 6061 T-6 billet aluminum to shield critical steering components while...04060079- SKU:
- 04060079
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- GUARD
- TYPE:
- RIGHT FORK LEG
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
- RIDING STYLE:
- OFF-ROAD
$49.95 -
MOOSE RACING Lower Fork Leg Guard - Right Leg 32-254
MOOSE RACING
$49.95Protect your front-end components from impact damage without adding unnecessary weight or complexity. The MOOSE RACING Lower Fork Leg Guard delivers precision-engineered protection that integrates seamlessly with modern brake rotor guards, keeping your...04060091- SKU:
- 04060091
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- POLISHED
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- TYPE:
- RIGHT FORK LEG
$49.95 -
MOOSE RACING Fork Seal/Wiper Kit - 48 mm 118888480101
MOOSE RACING
$49.95Fork seals wear faster than most riders realize, leading to oil leaks, reduced damping, and premature suspension failure. The MOOSE RACING 48mm Fork Seal/Wiper Kit replaces worn OEM seals with engineered MAX-LIFE compound that delivers 3–4 times longer...04070660- SKU:
- 04070660
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- INSIDE DIAMETER METRIC:
- 48.00 MM
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$49.95 -
MOOSE RACING Fork Seal/Wiper Kit - 48 mm 118888480201
MOOSE RACING
$49.95Fork seals wear faster than most riders realize, leading to oil leakage, reduced damping performance, and potential suspension damage. The MOOSE RACING 48mm Fork Seal/Wiper Kit eliminates this problem with a patented design that cuts friction by up to...04070661- SKU:
- 04070661
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
$49.95 -
MOOSE RACING Fork Seal/Wiper Kit - 49 mm 118888490101
MOOSE RACING
$49.95Fork seals degrade faster than any other suspension component, causing oil leakage and compromised damping that degrades handling and increases maintenance costs. The MOOSE RACING 49mm Fork Seal/Wiper Kit delivers 3-4x longer service life than OEM seals...04070662- SKU:
- 04070662
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
$49.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1004-M
MOOSE RACING
$47.95A worn or low-quality steering stem bearing directly impacts your bike's handling precision and increases the risk of dangerous play in the front end. The MOOSE RACING Steering Stem Bearing Kit 22-1004-M replaces OEM ball-type bearings with superior...04100022- SKU:
- 04100022
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- MODEL:
- TAPERED ROLLER
$47.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1077
MOOSE RACING
$45.95Factory ball bearings wear quickly under racing loads and demand constant maintenance. The MOOSE RACING Steering Stem Bearing Kit 22-1077 upgrades your front end to precision tapered roller bearings, dramatically reducing play, eliminating binding, and...04100300- SKU:
- 04100300
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
$45.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1003MSE
MOOSE RACING
$47.95If your steering head feels notchy, loose, or requires constant adjustment, worn ball-type bearings are likely the culprit. The MOOSE RACING Steering Stem Bearing Kit upgrades your front end with tapered roller bearings, delivering smoother steering...04100336- SKU:
- 04100336
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
$47.95 -
MOOSE RACING Fork Seal Kit - 37 mm 56-123
MOOSE RACING
$37.95Fork seals wear faster than most riders realize—and degraded seals lead to oil leakage, reduced damping performance, and costly internal fork damage. The MOOSE RACING 37mm Fork Seal Kit replaces worn OEM seals with a patented MAX-LIFE compound that cuts...04070090- SKU:
- 04070090
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- INSIDE DIAMETER METRIC:
- 37.00 MM
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 50.35 MM
- PRODUCT NAME:
- FORK SEAL KIT
- THICKNESS METRIC:
- 11.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$37.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6050
MOOSE RACING
$52.95Fork bushings wear with every stroke, compromising your suspension's precision and responsiveness. The MOOSE RACING Fork Bushing Kit replaces worn slider and leg bushings with dyno-tested components that outlast OEM parts by a significant margin,...04500137- SKU:
- 04500137
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- PRODUCT NAME:
- BUSHING KIT
- UNITS:
- KIT
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$52.95 -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6052
MOOSE RACING
$61.95Fork bushings are critical wear items that directly impact suspension responsiveness, damping consistency, and ride quality—degraded bushings introduce play and unpredictability into your fork assembly. The MOOSE RACING Fork Bushing Kit delivers...04500138- SKU:
- 04500138
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.90 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.72'
- MATERIAL:
- PTFE
$61.95
