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 - 36.00 mm 38-6001
MOOSE RACING
$44.95Bushings 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 rings04500480- SKU:
- 04500480
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 31.70 MM
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.33'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.58'
- PRODUCT NAME:
- BUSHING KIT
$44.95 -
MOOSE RACING Fork Seal Kit - 33 mm 56-113
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,...04070085- SKU:
- 04070085
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 33.00 MM
- OUTSIDE DIAMETER METRIC:
- 46.30 MM
- UNITS:
- KIT
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE RACING Fork Seal Kit - 45 mm 56-139
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,...04070179- SKU:
- 04070179
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- OUTSIDE DIAMETER METRIC:
- 57.25 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- KIT
- INSIDE DIAMETER METRIC:
- 45.00 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK SEAL KIT
$39.95 -
MOOSE RACING Fork Seal Kit - 36 mm 56-120
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,...04070088- SKU:
- 04070088
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- OUTSIDE DIAMETER METRIC:
- 48.20 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 36.00 MM
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.50 MM
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE RACING Fork Seal Kit - 48 mm 56-147
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,...04070103- SKU:
- 04070103
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 58.35 MM
- PRODUCT NAME:
- FORK SEAL KIT
- THICKNESS METRIC:
- 8.50 MM
$39.95 -
MOOSE RACING Fork Seal Kit - 41 mm 56-132
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,...04070175- SKU:
- 04070175
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- OUTSIDE DIAMETER METRIC:
- 54.30 MM
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 41.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- KIT
$39.95 -
MOOSE RACING Fork Seal Kit - 48 mm 56-167
MOOSE RACING
$40.95Seal 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,...04070358- SKU:
- 04070358
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- INSIDE DIAMETER METRIC:
- 48.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.00 MM
$40.95 -
MOOSE RACING Fork Seal Kit - 38 mm 56-124
MOOSE RACING
$37.95Seal 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,...04070135- SKU:
- 04070135
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 38.00 MM
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.50 MM
- PRODUCT NAME:
- FORK SEAL KIT
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$37.95 -
MOOSE RACING Fork Protector Ring C23-5430B
MOOSE RACING
$23.95High-quality injection-molded for precise fit and finish, Fork Protector Ring, CNC-machined mount points ensure strength and accuracy, Reinforced mounts for start devices, Race performance, Easy installation, Made in the U.S.A.04120525- SKU:
- 04120525
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- PLASTIC
- UNITS:
- PAIR
- PRODUCT NAME:
- PROTECTOR
- TYPE:
- FORK
$23.95 -
MOOSE RACING Fork Seal Kit - 43 mm 56-133
MOOSE RACING
$37.95Seal 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,...04070094- SKU:
- 04070094
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 43.00 MM
- OUTSIDE DIAMETER METRIC:
- 54.20 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
- THICKNESS METRIC:
- 11.00 MM
$37.95 -
MOOSE RACING Fork Seal Kit - 43 mm 56-138
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,...04070096- SKU:
- 04070096
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 43.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM
- OUTSIDE DIAMETER METRIC:
- 55.35 MM
$39.95 -
MOOSE RACING Fork Seal Kit - 46 mm 56-140
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,...04070097- SKU:
- 04070097
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- THICKNESS METRIC:
- 10.00 MM
- INSIDE DIAMETER METRIC:
- 46.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 58.20 MM
- PRODUCT NAME:
- FORK SEAL KIT
$39.95 -
MOOSE RACING Fork Seal Kit - 47 mm 56-142
MOOSE RACING
$37.95Seal 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,...04070099- SKU:
- 04070099
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- OUTSIDE DIAMETER METRIC:
- 58.30 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.00 MM
- INSIDE DIAMETER METRIC:
- 47.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
$37.95 -
MOOSE RACING Fork Bushing Kit - 51.00 mm 38-6015
MOOSE RACING
$67.95Bushings 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 rings04500119- SKU:
- 04500119
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 45.70 MM
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.88'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- PRODUCT NAME:
- BUSHING KIT
$67.95 -
MOOSE RACING Fork Bushing Kit - 51.00 mm 38-6020
MOOSE RACING
$44.95Bushings 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 rings04500121- SKU:
- 04500121
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 45.70 MM
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.88'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6039
MOOSE RACING
$46.95Bushings 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 rings04500129- SKU:
- 04500129
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 41.90 MM
- UNITS:
- KIT
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.72'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
$46.95 -
MOOSE RACING Lower Fork Leg Guard - Left Leg 32-346
MOOSE RACING
$49.95Strong, lightweight, aluminum guard, Made from 6061 T-6 billet aluminum, Complements the new front brake rotor guard, Made in the U.S.A.04060080- SKU:
- 04060080
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
- TYPE:
- LEFT FORK LEG
- RIDING STYLE:
- OFF-ROAD
$49.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6066
MOOSE RACING
$56.95Bushings 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 rings04500147- SKU:
- 04500147
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 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
$56.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6067
MOOSE RACING
$55.95Bushings 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 rings04500148- SKU:
- 04500148
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- UNITS:
- KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- PRODUCT NAME:
- BUSHING KIT
$55.95Qty in Cart: 0Quantity:Price:$55.95Subtotal: -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6068
MOOSE RACING
$67.95Bushings 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 rings04500149- SKU:
- 04500149
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- PRODUCT NAME:
- BUSHING KIT
$67.95
