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 38-6154
MOOSE RACING
$47.95MOOSE RACING Fork Bushing Kit04500588- SKU:
- 04500588
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
$47.95 -
MOOSE RACING Fork Seal Kit - 43 mm 56-134
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070176- SKU:
- 04070176
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- THICKNESS METRIC:
- 9.00 MM
- INSIDE DIAMETER METRIC:
- 43.00 MM
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 54.30 MM
- RIDING STYLE:
- STREET
$39.95 -
MOOSE RACING Fork Seal Kit - 43 mm 56-126
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070091- SKU:
- 04070091
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- OUTSIDE DIAMETER METRIC:
- 53.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 9.50 MM
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- STREET
$39.95 -
MOOSE RACING Fork Seal Kit - 32 mm 56-127
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070092- SKU:
- 04070092
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- INSIDE DIAMETER METRIC:
- 32.00 MM
- THICKNESS METRIC:
- 6.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 42.20 MM
- PRODUCT NAME:
- FORK SEAL KIT
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE RACING Fork Seal Kit - 27 mm 56-101
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070134- SKU:
- 04070134
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- INSIDE DIAMETER METRIC:
- 27.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 39.25 MM
- THICKNESS METRIC:
- 10.50 MM
$39.95 -
MOOSE RACING Fork Seal Kit - 45 mm 56-149
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070104- SKU:
- 04070104
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- FORK SEAL KIT
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 45.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 58.25 MM
- RIDING STYLE:
- STREET
$39.95 -
MOOSE RACING Fork Seal Kit - 35 mm 56-159
MOOSE RACING
$48.95Seal 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, Triple-lip seal design,...04070357- SKU:
- 04070357
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 35.00 MM
- OUTSIDE DIAMETER METRIC:
- 46.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- KIT
$48.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6131
MOOSE RACING
$35.95Bushings are dyno-tested to 500,000 strokes with less wear than OEM bushings, Kit includes two slider bushings and two leg bushings, Kit includes all copper washers and O-rings, Kit includes two fork seal snap rings04500482- SKU:
- 04500482
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.96'
- PRODUCT NAME:
- BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 47.80 MM
- MATERIAL:
- PTFE
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
$35.95 -
WORKS CONNECTION Pro Launch Start Device 12-224
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500238- SKU:
- 04500238
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MODEL:
- FOR HONDA
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$148.95Qty in Cart: 0Quantity:Price:$148.95Subtotal: -
MOOSE RACING Fork Seal Kit - 35 mm 56-115
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070086- SKU:
- 04070086
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- OUTSIDE DIAMETER METRIC:
- 48.15 MM
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 35.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$39.95 -
MOOSE RACING Fork Seal Kit - 36 mm 56-119
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070087- SKU:
- 04070087
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- INSIDE DIAMETER METRIC:
- 36.00 MM
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.50 MM
- PRODUCT NAME:
- FORK SEAL KIT
- OUTSIDE DIAMETER METRIC:
- 48.20 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$39.95 -
WORKS CONNECTION Steering Stem Nut - Black - Yamaha 24-370
WORKS CONNECTION
$37.95Precision CNC-machined from durable, weight-saving 6061 T-6 aluminum, Brilliant anodized finish and engraved WC logos create that Factory look, Include pre-drilled safety wire holes for added confidence over the stock nut, Accept fuel vent hose, Made in...04100253- SKU:
- 04100253
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- STEM NUT
- PRODUCT NAME:
- NUT
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 6061-T6 ALUMINUM
$37.95 -
PARTS UNLIMITED Fork Seals - 31 mm ID x 43 mm OD x 10 mm T PUP40FORK455015
PARTS UNLIMITED
$10.15High-quality replacement fork seals, Made to OEM specifications04070230- SKU:
- 04070230
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER METRIC:
- 31.00 MM
- OUTSIDE DIAMETER METRIC:
- 43.00 MM
- PRODUCT NAME:
- FORK SEAL
- MATERIAL:
- NOK ANTI-STICTION
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.00 MM
- UNITS:
- PAIR
$10.15 -
MOOSE RACING Steering Stem Bearing Kit 22-1019
MOOSE RACING
$56.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100164- SKU:
- 04100164
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- MODEL:
- TAPERED ROLLER
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
$56.95 -
MOOSE RACING Fork Seal Kit - 35 mm 56-143
MOOSE RACING
$39.95Seal 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, Triple-lip seal design,...04070100- SKU:
- 04070100
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- INSIDE DIAMETER METRIC:
- 35.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- THICKNESS METRIC:
- 10.00 MM
- OUTSIDE DIAMETER METRIC:
- 47.30 MM
- PRODUCT NAME:
- FORK SEAL KIT
$39.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1026
MOOSE RACING
$43.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100034- SKU:
- 04100034
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$43.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1030
MOOSE RACING
$61.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100035- SKU:
- 04100035
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$61.95 -
WORKS CONNECTION Pro Launch Start Device 12-606
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500354- SKU:
- 04500354
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- MODEL:
- FOR KTM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$148.95Qty in Cart: 0Quantity:Price:$148.95Subtotal: -
MOOSE RACING Fork Bushing Kit - 40.00 mm 38-6058
MOOSE RACING
$57.95Bushings are dyno-tested to 500,000 strokes with less wear than OEM bushings, Kit includes two slider bushings and two leg bushings, Kit includes all copper washers and O-rings, Kit includes two fork seal snap rings04500143- SKU:
- 04500143
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.45'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 34.90 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$57.95 -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6064
MOOSE RACING
$57.95Bushings are dyno-tested to 500,000 strokes with less wear than OEM bushings, Kit includes two slider bushings and two leg bushings, Kit includes all copper washers and O-rings, Kit includes two fork seal snap rings04500145- SKU:
- 04500145
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.90 MM
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.72'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$57.95
