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
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MOOSE RACING Fork Springs - 37 mm - 4.0 n/mm 0405-1183
MOOSE RACING
$109.95Fork springs are the foundation of suspension control—they determine how your bike absorbs impact, maintains chassis geometry, and responds to rider input. The MOOSE RACING 37mm springs deliver consistent damping and predictable performance across the...04051183- SKU:
- 04051183
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
$109.95 -
MOOSE RACING Fork Springs - 37 mm - 4.2 n/mm 0405-1184
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension performance through rigorous manufacturing processes that eliminate variance. If you're running a bike that demands responsive front-end feedback—whether on track or technical...04051184- SKU:
- 04051184
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$109.95 -
MOOSE RACING Fork Springs - 42.5 mm - 3.8 n/mm 0405-1186
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension response by maintaining precise spring rates across your riding conditions. Built from premium chrome silicone wire and heat-treated to DIN2095 Grade 1 standards, these springs resist...04051186- SKU:
- 04051186
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$109.95 -
MOOSE RACING Fork Springs - 42.5 mm - 4.0 n/mm 0405-1187
MOOSE RACING
$109.95Proper fork spring rates are critical to suspension geometry and ride quality—undersized or worn springs compromise handling precision and increase fork dive under braking. Moose Racing fork springs deliver consistent damping characteristics and...04051187- SKU:
- 04051187
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
MOOSE RACING Fork Springs - 42.5 mm - 4.2 n/mm 0405-1188
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension response through precision engineering and premium materials—critical for maintaining control and confidence through every corner. Built to DIN2095 Grade 1 standards, these springs are...04051188- SKU:
- 04051188
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$109.95 -
MOOSE RACING Fork Springs - 42.5 mm - 4.6 n/mm 04051190
MOOSE RACING
$109.95Precise suspension tuning demands fork springs engineered to exact specifications, and these Moose Racing springs deliver the consistent rate and durability required for both track and trail. Built from chrome silicone wire and processed through rigorous...04051190- SKU:
- 04051190
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
$109.95 -
MOOSE RACING Fork Springs - 42.5 mm - 4.8 n/mm 0405-1191
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension performance through precision manufacturing and premium materials. If you're running stock springs, you're leaving handling, comfort, and feedback on the table—these springs are...04051191- SKU:
- 04051191
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
$109.95 -
MOOSE RACING Fork Springs - 42.5 mm - 5.0 n/mm 0405-1192
MOOSE RACING
$109.95Fork spring performance directly impacts your suspension's ability to manage weight transfer, maintain chassis balance, and deliver consistent feedback through corners. Moose Racing fork springs are precision-engineered to exacting standards, ensuring...04051192- SKU:
- 04051192
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
$109.95 -
MOOSE RACING Fork Springs - 43.5 mm - 4.0 n/mm 0405-1193
MOOSE RACING
$133.95Moose Racing fork springs deliver consistent, predictable suspension performance by maintaining precise spring rates throughout your suspension travel. Built from chrome silicone wire and processed through rigorous manufacturing stages—cold coiling, heat...04051193- SKU:
- 04051193
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
$133.95 -
MOOSE RACING Fork Springs - 43.5 mm - 4.2 n/mm 0405-1194
MOOSE RACING
$133.95Precise fork damping directly impacts your bike's handling, stability, and rider confidence—especially under aggressive cornering or variable terrain. Moose Racing fork springs deliver consistent performance through meticulous engineering and premium...04051194- SKU:
- 04051194
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$133.95 -
MOOSE RACING Fork Springs - 43.5 mm - 4.4 n/mm 0405-1195
MOOSE RACING
$133.95Suspension geometry is only as good as your fork springs—weak or mismatched rates will bleed performance and compromise handling predictability in corners and under braking. The MOOSE Racing 43.5 mm fork springs deliver the precision and durability you...04051195- SKU:
- 04051195
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$133.95 -
UFO Fork Slider Protectors - Black GG07131-001
UFO
$29.95Fork slider protectors are essential maintenance components that shield your fork tubes from road debris, UV damage, and minor impacts during aggressive riding or track use. Without proper protection, exposed fork tubes corrode and lose their smooth...04120531- SKU:
- 04120531
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$29.95 -
UFO Fork Slider Protectors - White GG07131-041
UFO
$29.95Fork slider protectors are essential damage control for aggressive riding and track work. When your forks make contact with the ground during crashes or stunts, unprotected fork tubes suffer cosmetic damage and potential seal compromise—both costly...04120532- SKU:
- 04120532
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$29.95 -
UFO Fork Slider Protectors - Red GG07131-062
UFO
$29.95Fork slider protectors are essential damage control for your front end. During aggressive riding or inevitable track incidents, these guards absorb impact that would otherwise gouge your fork tubes—costly damage that compromises both aesthetics and...04120533- SKU:
- 04120533
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$29.95 -
On Sale
UFO Fork Slider Protectors - White GG07108-041
UFO
MSRP: $29.95Now: $19.00Was: $29.95Fork slider protectors shield your front suspension components from road debris, impact damage, and weather exposure—critical protection for both track and street applications. By absorbing minor contact and abrasion, these guards extend the service life...04120570- SKU:
- 04120570
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $29.95Now: $19.00Was: $29.95 -
MOOSE RACING Fork Oil Seal Set - 43 mm 0407-0725
MOOSE RACING
$21.95Worn fork seals compromise suspension performance and invite contamination that accelerates component wear. This NOK replacement seal set restores the hydraulic integrity of your front forks, ensuring consistent damping feel and extending suspension...04070725- SKU:
- 04070725
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$21.95 -
MOOSE RACING Fork Oil Seal Set - 47 mm 0407-0726
MOOSE RACING
$21.95Worn fork seals compromise your suspension's performance and lifespan by allowing oil to escape and contaminating internal components. The MOOSE RACING Fork Oil Seal Set restores proper hydraulic function and prevents costly damage to your fork internals...04070726- SKU:
- 04070726
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$21.95 -
MOOSE RACING Fork Oil Seal Set - 48 mm 0407-0727
MOOSE RACING
$21.95Leaking fork seals compromise suspension performance and accelerate wear on internal components. This OEM-quality seal set restores your front fork's integrity and extends the life of your suspension system. Whether you're rebuilding after maintenance or...04070727- SKU:
- 04070727
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$21.95 -
MOOSE RACING Fork Oil Seal Set - 48 mm 0407-0728
MOOSE RACING
$23.95Fork oil seals are critical wear items that directly impact suspension performance and longevity. When seals degrade, oil leakage compromises damping characteristics and allows contamination into the fork internals, leading to premature wear and poor...04070728- SKU:
- 04070728
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$23.95 -
MOOSE RACING Fork Oil Seal Set - 49 mm 0407-0729
MOOSE RACING
$25.95Worn fork seals are a silent performance killer—they allow oil to escape, compromise damping, and accelerate suspension wear. The MOOSE RACING Fork Oil Seal Set restores your front suspension to OEM specification with genuine NOK seals, the same...04070729- SKU:
- 04070729
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$25.95
