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
-
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 48 mm ID x 58 mm OD x 8.5/10 mm T 7263
LEAKPROOF SEALS
$28.95Fork seal degradation leads to oil leakage, compromised suspension performance, and costly damage to internals—LEAKPROOF SEALS Classic Leak Proof Fork Seals eliminate these issues with a pressure-balanced design that outperforms OEM standards. Built from...04070041- SKU:
- 04070041
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- INSIDE DIAMETER METRIC:
- 37.00 MM
- THICKNESS IMPERIAL:
- 0.39'
- MODEL:
- FOR KAYABA FORKS
- TYPE:
- STANDARD
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.00 MM
- UNITS:
- PAIR
$28.95 -
LEAKPROOF SEALS Pro-Moly Fork Seals - 48 mm ID x 58 mm OD x 8.5/10 mm T - Kayaba Forks 5263
LEAKPROOF SEALS
$33.95Standard OEM fork seals degrade quickly under racing conditions, leading to oil weeping, inconsistent damping, and premature fork failure. The LEAKPROOF SEALS Pro-Moly Fork Seals eliminate these issues with a pressure-balanced design and premium Buna-N...04070043- SKU:
- 04070043
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- FOR KAYABA FORKS
- INSIDE DIAMETER METRIC:
- 48.00 MM
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 10.00 MM
- TYPE:
- PRO-MOLY
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
$33.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 47 mm ID x 58 mm OD x 10 mm T 7260
LEAKPROOF SEALS
$28.95Stock fork seals degrade quickly under racing conditions, leading to oil weeping, contaminated bushings, and unpredictable suspension performance. The LEAKPROOF SEALS Classic Fork Seals eliminate this problem with a pressure-balanced design and premium...7260- SKU:
- 7260
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- INSIDE DIAMETER METRIC:
- 47.00 MM
- MODEL:
- FOR STANDARD FORKS
- TYPE:
- STANDARD
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.00 MM
- THICKNESS IMPERIAL:
- 0.39'
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 49 mm ID x 60 mm OD x 10 mm T 7261
LEAKPROOF SEALS
$28.95Fork seal failure leads to oil weeping, loss of damping control, and premature wear on your stanchions—all problems that compromise handling and safety. The LEAKPROOF SEALS Classic Leak Proof Fork Seals (49mm ID x 60mm OD x 10mm T) deliver a...7261- SKU:
- 7261
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER METRIC:
- 60.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.39'
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 10.00 MM
- INSIDE DIAMETER METRIC:
- 49.00 MM
- TYPE:
- STANDARD
- MODEL:
- FOR SHOWA FORKS
- UNITS:
- PAIR
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 40 mm ID x 52 mm OD x 10.5 mm T 7234
LEAKPROOF SEALS
$28.95Fork seal degradation doesn't just cause messy leaks—it compromises suspension performance and accelerates wear on internal components. The LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a 20% reduction in stiction compared to stock OEM seals...7234- SKU:
- 7234
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- INSIDE DIAMETER METRIC:
- 40.00 MM
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.41'
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
- MODEL:
- FOR STANDARD FORKS
- UNITS:
- PAIR
$28.95 -
KYB Fork Piston Bushing Set - 41 mm - Metal 110034100102
KYB
$14.95Fork piston bushings are critical wear items that directly impact suspension responsiveness and damping consistency. Over time, these bushings degrade under compression cycles, leading to sluggish damping response and unpredictable handling...04130018- SKU:
- 04130018
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 41.00 MM
- PRODUCT NAME:
- RING PISTON
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
KYB Fork Piston Bushing Set - 43 mm - Metal 110034300102
KYB
$14.95Fork piston bushings are critical wear items that directly impact suspension responsiveness and damping consistency. A worn or degraded bushing creates excessive play in the fork internals, leading to a vague, unpredictable ride and compromised braking...04130019- SKU:
- 04130019
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- PRODUCT NAME:
- RING PISTON
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- FOR FORK TUBE DIAMETER METRIC:
- 43.00 MM
$14.95 -
KYB Fork Piston Bushing Set - 46 mm - Metal 110034600102
KYB
$18.95Fork piston bushings are critical wear items that directly impact your suspension's damping consistency and responsiveness. As these components degrade, you'll experience inconsistent braking performance, reduced cornering confidence, and accelerated...04130020- SKU:
- 04130020
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 46.00 MM
- PRODUCT NAME:
- RING PISTON
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$18.95 -
KYB Fork Piston Bushing Set - 48 mm - Metal 110034800102
KYB
$13.95Worn fork pistons compromise suspension responsiveness and increase internal friction, directly impacting handling precision and ride quality. The KYB Fork Piston Bushing Set restores OE-spec clearances and damping characteristics, ensuring your...04130021- SKU:
- 04130021
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 48.00 MM
- UNITS:
- SET
- PRODUCT NAME:
- RING PISTON
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$13.95 -
KYB Front Fork Rebound Piston Ring 110610000801
KYB
$5.95A worn or damaged rebound piston ring compromises your fork's damping consistency, leading to unpredictable suspension behavior and reduced control. This OE replacement ring restores proper hydraulic sealing in your KYB front fork, ensuring smooth...04500078- SKU:
- 04500078
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- EACH
- PRODUCT NAME:
- REBOUND PISTON RING
$5.95 -
KYB Front Fork Rebound Piston Ring 110610000901
KYB
$5.95The rebound piston ring is a critical hydraulic seal that directly affects your fork's damping responsiveness and oil containment. A worn or damaged ring compromises pressure integrity, leading to sluggish rebound and potential oil leakage that degrades...04500079- SKU:
- 04500079
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REBOUND PISTON RING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- EACH
$5.95 -
KYB Front Fork Flat Lock Nut - 6 mm - Compression/Rebound Base Valve 110650000301
KYB
$1.95Your KYB fork's compression and rebound damping rely on precise valve assembly—and a loose base valve jam nut compromises both performance and reliability. This OE-specification 6mm flat lock nut secures the compression/rebound base valve with the...04500080- SKU:
- 04500080
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- LOCK NUT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- INSIDE DIAMETER IMPERIAL:
- 0.24'
- UNITS:
- EACH
$1.95 -
KYB Lock Nut - 8MM - Compression/Rebound Base Valve 110650000201
KYB
$1.95A properly secured base valve is critical to suspension performance—even a loose jam nut can compromise damping consistency and create unpredictable handling characteristics. This OE replacement lock nut from KYB ensures your compression and rebound base...04500081- SKU:
- 04500081
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MOUNTING POSITION:
- FRONT
- INSIDE DIAMETER IMPERIAL:
- 0.32'
- PRODUCT NAME:
- LOCK NUT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$1.95 -
KYB Fork Service Kit - 36 mm 119993600201
KYB
$75.95Fork seals degrade over time, allowing hydraulic fluid to weep and compromising your suspension's damping performance and ride quality. The KYB Fork Service Kit gives you everything needed to restore your front forks to factory specifications without...04500082- SKU:
- 04500082
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 36.00 MM
- PRODUCT NAME:
- BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$75.95 -
KYB Fork Service Kit - 46 mm/15 mm 119994600201
KYB
$82.95Proper fork maintenance is critical for suspension performance, handling precision, and rider safety on both street and track. The KYB Fork Service Kit provides all necessary components to rebuild your front forks to OEM specifications, restoring...04500086- SKU:
- 04500086
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 46.00 MM
- PRODUCT NAME:
- BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$82.95 -
KYB Fork Service Kit - 48 mm/12 mm 119994800101
KYB
$79.95Fork seals deteriorate with use, leading to oil leakage, reduced damping performance, and potential fork failure. This KYB service kit provides everything needed to completely rebuild your front forks and restore their original responsiveness and...04500087- SKU:
- 04500087
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- BUSHING KIT
- FOR FORK TUBE DIAMETER METRIC:
- 48.00 MM
- UNITS:
- KIT
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
GPR V5 Steering Damper - Black - YZ 5-9001-0082K
GPR
$574.95Head shake, tank slap, and front-end instability will rob you of confidence and lap times—especially on technical terrain or at speed. The GPR V5 Steering Damper eliminates unwanted handlebar oscillation with smooth, progressive damping that keeps your...04140692- SKU:
- 04140692
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 6061 T6 ALUMINUM
- UNITS:
- KIT
- PRODUCT NAME:
- DAMPER KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING
- MODEL:
- V5-D
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
ACERBIS Lower Fork Covers - Blue 2113760211
ACERBIS
$39.95Fork covers protect your front suspension components from road debris, mud, and impact damage while maintaining a clean, finished appearance on your motorcycle. ACERBIS lower fork covers combine OE color-matched aesthetics with the durability you need...04120121- SKU:
- 04120121
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- COLOR/FINISH:
- YZ BLUE
- PRODUCT NAME:
- COVER
- BASE COLOR:
- BLUE
- MATERIAL:
- PLASTIC
$39.95 -
ACERBIS Lower Fork Covers - White 2113760002
ACERBIS
$39.95Fork covers protect your front suspension from debris, mud, and UV damage while maintaining a clean, finished appearance. ACERBIS Lower Fork Covers deliver OE-quality aesthetics with direct fitment, eliminating the need for custom fabrication or...04120122- SKU:
- 04120122
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- WHITE
$39.95 -
ACERBIS Lower Fork Covers - Black 2113770001
ACERBIS
$39.95Fork covers protect your front suspension from road debris, mud, and impact damage while maintaining a clean, professional appearance. ACERBIS lower fork covers combine OE-accurate fitment with premium Italian construction, ensuring your forks stay...04120123- SKU:
- 04120123
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$39.95
