YAMAHA 1C3-15431-03-00 Right Crankcase Cover Clutch 299

( Manufacturer Part Number: 1C3-15431-03-00 ), ( Part Type: Cover Clutch ), ( Non-domestic Product: No ), ( Machine Type: Dirt Bike, Off-road Motorcycle ), ( Color: Silver ), ( Compatible Model: Yz125, Yz250 ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front, Rear, Rear Wheel, Right ), ( Oe/oem Part Number: 1c3-15431-03-00, 1 C3-15431-03-00 ), ( Compatible Year: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006 )

Review YAMAHA Right Crankcase Cover Clutch 299 fits YZ125 YZ 125 2006

The **Yamaha 1C3-15431-03-00** is an essential aftermarket replacement part designed specifically for the **2006 Yamaha YZ125**, a compact and agile off-road motorcycle known for its lightweight frame, responsive handling, and reliable performance. This **right crankcase cover clutch** is a precision-engineered component that plays a critical role in the bike s drivetrain, housing the clutch assembly while also contributing to the structural integrity of the engine s lower casing. Crafted from high-quality **cast aluminum**, this part is built to withstand the demands of off-road riding, including vibrations, impacts, and prolonged exposure to dirt, dust, and moisture common challenges faced by motocross and enduro riders. The **1C3-15431-03-00** is a direct-fit replacement, ensuring compatibility with the original equipment manufacturer (OEM) specifications, which means it aligns perfectly with the mounting points, bolt patterns, and overall dimensions of the stock crankcase cover. Whether you re restoring a vintage YZ125, upgrading an older model, or simply replacing a worn or damaged part, this clutch cover is designed to restore both function and aesthetics, maintaining the bike s original performance while offering durability for years of use. Its seamless integration with the **299cc single-cylinder engine** ensures smooth clutch operation, reducing slippage and enhancing power transfer, which is vital for riders seeking optimal control during aggressive cornering or high-speed straight-line acceleration. Additionally, the part s polished finish and precise machining reflect Yamaha s commitment to quality, making it a reliable choice for both DIY enthusiasts and professional mechanics. Whether you re tackling a weekend trail ride or preparing for a competitive event, this clutch cover is a small but crucial component that helps keep your YZ125 running at its best.

### **Pros and Cons of buying a Yamaha 1C3-15431-03-00 (2006 YZ125 Right Crankcase Cover/Clutch Cover)**

1. **Direct Fit for 2006 YZ125** This part is specifically designed for the 2006 model of the Yamaha YZ125, ensuring compatibility without modification.

2. **Clutch Cover Functionality** The right crankcase cover also serves as the clutch cover, meaning it houses the clutch mechanism. A properly fitted cover ensures smooth clutch operation and prevents leaks.

3. **Durability** Yamaha parts are generally built to last, and this cover is likely made from high-quality materials to withstand the demands of off-road use.

4. **Prevents Contamination** A properly sealed crankcase cover keeps dirt, debris, and moisture out of the clutch and transmission areas, reducing wear and tear.

5. **Easy Installation** Since it s an OEM (Original Equipment Manufacturer) part, it should fit without requiring extensive modifications, making it a straightforward replacement.

6. **Reliability** Using an authentic Yamaha part reduces the risk of compatibility issues or premature failure compared to aftermarket alternatives.

7. **Maintenance Accessibility** A well-fitted cover makes it easier to access the clutch and crankcase for routine maintenance, such as clutch adjustments or fluid changes.

1. **Age of the Part** While the part itself may be new, the 2006 YZ125 is an older model, meaning some mechanics or dealerships may not carry it in stock, requiring special ordering.

2. **Potential Wear on Mating Surfaces** If the original cover was damaged or warped, the new part may still not seal perfectly, leading to minor leaks or clutch slippage if not properly inspected.

3. **Cost Relative to Aftermarket Options** Authentic Yamaha parts can be more expensive than aftermarket alternatives, which may offer similar functionality at a lower price.

4. **Limited Availability** Since this is an older model, finding a seller (especially locally) may be difficult, potentially increasing shipping costs or wait times.

5. **Possible Rust or Damage on Original Mounting Points** If the bike s original mounting points for the cover are corroded or bent, the new part may not fit as intended, requiring additional work (e.g., cleaning or machining).

6. **No Warranty on Used/Aftermarket Alternatives** If purchasing from a third-party seller, there s no guarantee of authenticity or warranty coverage, unlike buying directly from Yamaha or an authorized dealer.

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The **Yamaha 1C3-15431-03-00 right crankcase/clutch cover** is a **reliable, direct-fit replacement** for the 2006 YZ125, offering durability and proper sealing for clutch and transmission protection. However, its **older model status** may limit availability, and **potential issues with mating surfaces** could arise if the bike s original components are worn. If the bike is in good condition otherwise, this part is a **solid choice** for maintaining performance and preventing leaks.

For **long-term reliability**, ensure the **mounting surfaces are clean and undamaged** before installation. If budget is a concern, **aftermarket alternatives** (from reputable brands like **Yamaha Performance Parts or OEM replicas**) may offer similar benefits at a lower cost though always verify compatibility.

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- **Buy from an authorized Yamaha dealer or a trusted online retailer** (e.g., **Motocross Direct, Yamaha Parts Store, or eBay with verified sellers**) to ensure authenticity.

- **Inspect the bike s crankcase and mounting points** before installation to confirm they are free of rust or damage.

- **Consider a clutch service** if the bike has high mileage, as the cover alone won t fix worn clutch components.

- **If cost is a factor**, compare **aftermarket options** (e.g., **Yamaha s own performance parts line**) but prioritize **brand reputation** to avoid counterfeit or low-quality fittings.

**Final Verdict:** This is a **good investment** for maintaining your 2006 YZ125 s clutch and crankcase integrity, provided you source it from a reliable seller and ensure proper fitment.

Details:

1C3-15431-03-00 This part fits these bikes: YAMAHA YZ125Year: 2021 Part: COVER, CRANKCASE 3 Part Group: COVER Year: 2020 Part: COVER, CRANKCASE 3 Part Group: COVER THIS LISTING IS PARTS PULLED FROM AN EXCELLENT RUNNING AND RIDING 2006 YAMAHA YZ125. These parts are from a 2006 YAMAHA YZ125.

Gasket surfaces look great - No heavy wear broken/missing parts or pieces cracks, repairs, breaks, bends, twists, etc stripped threads/bolts Comes with everything shown in the listing pictures Has some small scratches, but this part is ready to bolt on and ride, has lots of life left.

part #: 1c3154310300 prices

• $134.99-$199.00

specifications cyclevintagee:

• for models: Yz125, Yz, 125
• for makes: Yamaha
• mpn: 1c3-15431-03-00
• part type: Cover Clutch
• non-domestic product: No
• machine type: Dirt Bike, Off-road Motorcycle
• color: Silver
• compatible model: Yz125, Yz250
• material: Aluminum
• vintage part: Yes
• placement on vehicle: Front, Rear, Rear Wheel, Right
• oe/oem part number: 1c3-15431-03-00, 1 C3-15431-03-00
• compatible year: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

offer cyclevintagee:

• quantity: 1
• started: April 8, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

payments cyclevintagee:

• other
• wallet: Google-pay
• credit card: Discover

returns cyclevintagee:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

seller cyclevintagee:

• # reviews: 1966
• rating: 100.0%
• city: Hutchinson, Kansas

shipping cyclevintagee:

• carrier: UPS, FedEx
• transit: 2-6 Days
• service: UPS Ground Saver, UPS Ground, FedEx Ground / FedEx Home Delivery, UPS 2nd Day Air
• type: Calculated
• class: Economy, Standard, Expedited
• cost: $8.03

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