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 Seal Kit - 49 mm 56-144
MOOSE RACING
$37.95Fork seals wear faster than nearly any other suspension component, and worn seals mean oil leakage, contaminated fluid, and progressive loss of damping performance. The MOOSE RACING 49mm Fork Seal Kit addresses this with a patented seal material and...04070101- SKU:
- 04070101
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- INSIDE DIAMETER METRIC:
- 49.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 60.25 MM
- RIDING STYLE:
- STREET
$37.95 -
MOOSE RACING Neoprene Fork Skins - 44 mm-50 mm D - 356 mm (14") L - 3 mm Thick - 125 cc and larger 0406-0012
MOOSE RACING
$27.95Fork seals and tubes are constantly exposed to abrasive dust, moisture, and road debris—elements that accelerate wear and compromise suspension performance. MOOSE RACING Neoprene Fork Skins provide a cost-effective barrier that shields these critical...04060012- SKU:
- 04060012
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- 44.00 MM - 50.00 MM
- OVERALL LENGTH IMPERIAL:
- 14.00'
- PRODUCT NAME:
- FORK SKINS
- TYPE:
- 125 CC AND ABOVE
- COLOR/FINISH:
- BLACK
- UNITS:
- PAIR
- MATERIAL:
- NEOPRENE
- RIDING STYLE:
- OFF-ROAD
$27.95 -
MOOSE RACING Lower Fork Leg Guard - Right Leg - WR250/450 32-256
MOOSE RACING
$49.95Protect your WR250/450's lower fork legs from trail debris, rocks, and impact damage with this purpose-built aluminum guard. Yamaha WR riders know that fork damage means downtime—this guard absorbs the hits so your suspension doesn't have to. Machined...04060092- SKU:
- 04060092
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- TYPE:
- RIGHT FORK LEG
- COLOR/FINISH:
- POLISHED
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
MOOSE RACING Fork Seal/Wiper Kit - 36 mm 118888360101
MOOSE RACING
$49.95Fork seals wear faster than most riders expect, leading to oil leakage, reduced suspension performance, and costly damage to internal fork components. MOOSE Racing's 36mm Fork Seal/Wiper Kit extends seal life to 3-4 times longer than OEM seals through...04070655- SKU:
- 04070655
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$49.95 -
MOOSE RACING Fork Seal/Wiper Kit - 43 mm 118888430101
MOOSE RACING
$49.95Fork seals wear faster than nearly any other suspension component, and degraded seals compromise handling precision and invite oil leakage that contaminates your brakes. MOOSE RACING's engineered seal design eliminates the pressure imbalance that causes...04070657- SKU:
- 04070657
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
$49.95 -
MOOSE RACING Fork Seal/Wiper Kit - 46 mm 118888460101
MOOSE RACING
$49.95Fork seals wear faster than almost any other suspension component, leading to oil leakage, reduced damping performance, and costly fork service calls. MOOSE RACING's 46mm Fork Seal/Wiper Kit uses patented MAX-LIFE material and a precision triple-lip...04070658- SKU:
- 04070658
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- INSIDE DIAMETER METRIC:
- 46.00 MM
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$49.95 -
MOOSE RACING Neoprene Fork Skins - 32 mm-43 mm D - 127 mm (5") L - 3 mm Thick - 85 cc and smaller PCFS11
MOOSE RACING
$19.95Fork seals are expensive to replace, and premature wear from dust, dirt, and road grime cuts your ride short. The MOOSE RACING Neoprene Fork Skins provide a simple, affordable barrier that keeps your fork tubes protected and seals performing longer. Slip...04060009- SKU:
- 04060009
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- 32.00 MM - 43.00 MM
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- NEOPRENE
- OVERALL LENGTH IMPERIAL:
- 5.00'
- TYPE:
- 85 CC AND UNDER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- FORK SKINS
- UNITS:
- PAIR
$19.95 -
MOOSE RACING Neoprene Fork Skins - 44 mm-50 mm D - 127 mm (5") L - 3 mm Thick - 125 cc and larger PCFS10
MOOSE RACING
$19.95Fork seals and tubes are exposed to the harshest conditions on the track and trail—dust, dirt, mud, and corrosive elements that degrade performance and shorten component life. MOOSE RACING Neoprene Fork Skins provide a simple, effective barrier that...04060010- SKU:
- 04060010
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- MATERIAL:
- NEOPRENE
- OVERALL LENGTH IMPERIAL:
- 5.00'
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- 44.00 MM - 50.00 MM
- PRODUCT NAME:
- FORK SKINS
- TYPE:
- 125 CC AND ABOVE
- COLOR/FINISH:
- BLACK
$19.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1065
MOOSE RACING
$55.95Stock ball-type steering bearings wear quickly and require constant maintenance—especially under aggressive riding or racing conditions. The MOOSE RACING Steering Stem Bearing Kit 22-1065 upgrades your steering head with tapered roller bearings,...04100232- SKU:
- 04100232
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
$55.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1064
MOOSE RACING
$38.95OEM ball-type bearings in your steering stem wear quickly and demand frequent maintenance—tapered roller bearings eliminate that hassle. The MOOSE RACING 22-1064 kit upgrades your steering geometry with superior load distribution, reduced friction, and...04100293- SKU:
- 04100293
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
$38.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1059
MOOSE RACING
$55.95OEM ball-type bearings introduce play, friction, and frequent maintenance intervals into your steering system. The MOOSE RACING Steering Stem Bearing Kit 22-1059 upgrades you to precision tapered roller bearings, delivering noticeably smoother steering...04100121- SKU:
- 04100121
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
- TYPE:
- STEERING STEM
$55.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1009-M
MOOSE RACING
$47.95OEM ball bearings wear quickly and demand constant maintenance—tapered roller bearings eliminate that headache while delivering smoother steering feel and extended service life. This complete kit upgrades your steering stem with precision-engineered...04100025- SKU:
- 04100025
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
$47.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1013
MOOSE RACING
$63.95Factory ball bearings wear quickly and demand constant maintenance—tapered roller bearings eliminate both problems. The MOOSE RACING Steering Stem Bearing Kit 22-1013 drops into your existing steering column, replacing worn or inferior OEM bearings with...04100027- SKU:
- 04100027
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$63.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1022
MOOSE RACING
$42.95OEM ball-type bearings in your steering stem wear quickly and demand frequent maintenance. The MOOSE RACING Steering Stem Bearing Kit 22-1022 upgrades your front end with tapered roller bearings that deliver smoother handling, reduced play, and...04100030- SKU:
- 04100030
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
$42.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1023-M
MOOSE RACING
$48.95OEM ball-type steering stem bearings wear quickly and demand constant maintenance—taper bearings eliminate that headache while delivering smoother handling and longer service life. This MOOSE RACING kit gives you a direct upgrade path to superior rolling...04100031- SKU:
- 04100031
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$48.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1024-M
MOOSE RACING
$47.95OEM ball-type steering stem bearings wear quickly and demand frequent maintenance—tapered roller bearings eliminate that hassle. The MOOSE RACING 22-1024-M kit drops in as a direct replacement, delivering smoother steering feel, extended bearing life,...04100032- SKU:
- 04100032
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- MODEL:
- TAPERED ROLLER
- UNITS:
- KIT
$47.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6077
MOOSE RACING
$71.95Fork bushings wear out faster than most riders realize, causing play in the front end that degrades handling precision and creates a safety concern. The MOOSE RACING Fork Bushing Kit delivers OEM-replacement durability with measurably superior wear...04500210- SKU:
- 04500210
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- PRODUCT NAME:
- BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- MATERIAL:
- PTFE
$71.95 -
MOOSE RACING Fork Bushing Kit - 51.00 mm 38-6076
MOOSE RACING
$74.95Fork bushings endure thousands of compression cycles, and worn bushings compromise your suspension's responsiveness and create excessive play that degrades handling precision. The MOOSE RACING Fork Bushing Kit replaces both slider and leg bushings with...04500219- SKU:
- 04500219
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.80'
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MATERIAL:
- PTFE
- INNER BUSHING INSIDE DIAMETER METRIC:
- 45.70 MM
$74.95 -
MOOSE RACING Fork Bushing Kit - 41.00 mm 38-6112
MOOSE RACING
$52.95Fork bushings wear with every stroke, and worn bushings compromise your suspension's precision and handling predictability. The MOOSE RACING Fork Bushing Kit 38-6112 restores your fork's performance with OEM-quality components that outlast stock...04500310- SKU:
- 04500310
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 37.20 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.48'
- PRODUCT NAME:
- BUSHING KIT
- MATERIAL:
- PTFE
$52.95 -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6116
MOOSE RACING
$66.95Fork bushings are wear items that directly impact suspension performance and ride quality—sloppy, worn bushings introduce play in your forks that degrades handling precision and increases friction. The MOOSE RACING Fork Bushing Kit delivers OEM-quality...04500311- SKU:
- 04500311
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.75'
- INNER BUSHING WIDTH IMPERIAL:
- 0.78'
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.50 MM
- UNITS:
- KIT
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$66.95
