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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WORKS CONNECTION Pro Launch Start Device - Yamaha 12-P414
WORKS CONNECTION
$164.95Consistent, predictable starts are critical in competitive riding—and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you time off the line. Built from aircraft-grade aluminum and engineered with a spring-less design, this...04500725- SKU:
- 04500725
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - Yamaha 12-P416
WORKS CONNECTION
$164.95A reliable launch is where races are won. The WORKS CONNECTION Pro Launch Start Device eliminates mechanical inconsistency at the line by combining a spring-less design with precision CNC machining, giving you the positive engagement and repeatable...04500726- SKU:
- 04500726
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - Yamaha 12-P417
WORKS CONNECTION
$164.95Consistent, reliable launch control separates winning runs from missed opportunities. The WORKS CONNECTION Pro Launch Start Device eliminates the variables of mechanical wear by using a spring-less design that delivers positive engagement every single...04500727- SKU:
- 04500727
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - Suzuki 12-P518
WORKS CONNECTION
$164.95A reliable start device is essential for consistent performance on the track or trail, and the WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of mechanical wear and ignition timing issues. This CNC-machined unit delivers...04500728- SKU:
- 04500728
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - Suzuki 12-P520
WORKS CONNECTION
$164.95If you're serious about consistent, reliable starts in competitive racing, the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you tenths at the line. The spring-less design guarantees repeatable engagement and release every...04500729- SKU:
- 04500729
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-P600
WORKS CONNECTION
$164.95Inconsistent clutch engagement at the starting line costs you every single time you're on the clock. The Works Connection Pro Launch Start Device eliminates that variable by delivering positive, repeatable engagement with zero spring hysteresis—giving...04500730- SKU:
- 04500730
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-P602
WORKS CONNECTION
$164.95A launch control device that actually works the way you need it to. The WORKS CONNECTION Pro eliminates inconsistent engagement and false starts by delivering positive, springless actuation you can trust every single time. At just 50 grams and engineered...04500731- SKU:
- 04500731
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-P605
WORKS CONNECTION
$164.95Consistent, reliable launch control is non-negotiable in competitive racing and high-performance riding. The WORKS CONNECTION Pro Launch Start Device eliminates variables from your starts with a spring-less design that guarantees positive engagement and...04500732- SKU:
- 04500732
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-P611
WORKS CONNECTION
$164.95When launching hard off the line, every millisecond counts. The WORKS CONNECTION Pro Launch Start Device gives you a mechanical advantage that's purely mechanical—no electronics, no complications, just instant engagement when you need it most. Designed...04500733- SKU:
- 04500733
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-P622
WORKS CONNECTION
$164.95Launching consistently off the line demands a mechanical advantage that your standard ignition system simply cannot provide. The WORKS CONNECTION Pro Launch Start Device gives you absolute control over engine ignition timing at the moment of maximum...04500734- SKU:
- 04500734
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - KTM 12-P631
WORKS CONNECTION
$164.95Consistent launch performance separates winners from the rest on the starting line. The WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you precious milliseconds—no springs means no inconsistency, just reliable engagement...04500735- SKU:
- 04500735
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$164.95 -
WORKS CONNECTION Pro Launch Start Device - Husqvarna 12-P706
WORKS CONNECTION
$164.95Consistent clutch engagement separates clean launches from bogged starts—especially when competition is measured in milliseconds. The Works Connection Pro Launch Start Device eliminates the variables of manual clutch management by delivering positive,...04500737- SKU:
- 04500737
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$164.95 -
POLISPORT Fork Guard Cover - Blue 8352300005
POLISPORT
$32.99OEM plastic components take a beating on the track and trail, leaving your fork guards faded and cracked. The Polisport Fork Guard Cover delivers the exact fit and factory appearance of stock plastics while offering superior impact and abrasion...04120667- SKU:
- 04120667
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
$32.99 -
POLISPORT Fork Guard Cover - White 8352300002
POLISPORT
$32.99Fork guards take a beating—mud, debris, and impact damage accumulate fast on the trail or track. This POLISPORT Fork Guard Cover replaces worn or damaged stock guards with a direct-fit alternative that's engineered to outlast OEM components while...04120599- SKU:
- 04120599
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
$32.99 -
POLISPORT Fork Guard Cover - White 8399400002
POLISPORT
$42.99Fork guard covers take the brunt of impacts, debris, and UV exposure—leaving stock plastic brittle and cracked. The POLISPORT Fork Guard Cover delivers OEM-fit protection with injection-molded durability that resists abrasion and impact better than...04120602- SKU:
- 04120602
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
$42.99Qty in Cart: 0Quantity:Price:$42.99Subtotal: -
POLISPORT Fork Guard Cover - Black 8399400003
POLISPORT
$42.99OEM fork guards take a beating from rocks, debris, and track conditions—and replacement parts from the manufacturer come with sticker shock. The POLISPORT Fork Guard Cover delivers genuine OEM-quality protection at a fraction of the cost, with...04120603- SKU:
- 04120603
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
$42.99Qty in Cart: 0Quantity:Price:$42.99Subtotal: -
POLISPORT Fork Guard Cover - Red 8399600001
POLISPORT
$42.99Fork guard covers take a beating—rocks, debris, and low-speed impacts are inevitable on the track or trail. The POLISPORT Fork Guard Cover delivers OEM-level protection without the OEM price tag, using injection-molded plastic that's tougher than stock...04120604- SKU:
- 04120604
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$42.99Qty in Cart: 0Quantity:Price:$42.99Subtotal: -
POLISPORT Fork Guard Cover - Black 8399600003
POLISPORT
$42.99Stock fork guards take a beating—rocks, debris, and track contact can crack or discolor OEM plastic in a single season. The POLISPORT Fork Guard Cover is an injection-molded replacement that matches your bike's original finish while offering superior...04120605- SKU:
- 04120605
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$42.99Qty in Cart: 0Quantity:Price:$42.99Subtotal: -
POLISPORT Fork Guard Cover - White 8399600002
POLISPORT
$42.99Fork guard covers absorb impacts and road debris that would otherwise damage your frame and suspension components, making this protection essential for both track and trail use. The POLISPORT Fork Guard Cover delivers OEM-equivalent fitment with...04120606- SKU:
- 04120606
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$42.99 -
POLISPORT Fork Guard Cover - Black 8399200003
POLISPORT
$42.99Your fork guards take constant abuse from road debris, impacts, and UV exposure—leaving your bike looking worn and your forks vulnerable to damage. This Polisport Fork Guard Cover replaces damaged or faded stock guards with an OEM-spec alternative that...04120608- SKU:
- 04120608
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
$42.99
