YAMAHA 498-15664-00-00 Kick Start Shaft Starter Spindle Gear

( Part Type: Start Shaft Starter Spindle Gear ), ( Vintage Part: Yes ), ( Country Of Origin: Japan ), ( UPC: 498156640000 )

Review YAMAHA Kick Start Shaft Starter Spindle Gear fits IT400 YZ250 YZ400 1976

The **Yamaha IT400 (Part Number: 498-15664-00-00) Kick Start Shaft Starter Spindle Gear** is a meticulously engineered component designed exclusively for the **1976 Yamaha YZ250 and YZ400** dual-sport and off-road motorcycles, ensuring seamless operation of the kick-start mechanism. This high-quality, precision-machined gear is crafted from durable, heat-treated steel, engineered to withstand the rigorous demands of frequent use in rugged terrain. The spindle gear is a critical part of the kick-start system, translating the mechanical force applied to the kick lever into rotational motion that initiates engine cranking. Its robust construction minimizes wear and tear, reducing the likelihood of premature failure even under heavy-duty conditions. The design incorporates a smooth, finely balanced shaft that operates with minimal friction, allowing for effortless engagement and disengagement of the starter mechanism. This component is essential for maintaining the reliability and performance of the bike s manual starting system, ensuring that riders can depend on their Yamaha YZ250 or YZ400 without unexpected interruptions. Whether used for restoration projects, routine maintenance, or replacement due to wear, this spindle gear is a direct-fit, OEM-quality part that upholds the original performance standards of Yamaha s legendary off-road motorcycles. Its compatibility with the 1976 model ensures a perfect match in terms of fit, function, and durability, making it an indispensable upgrade or replacement for enthusiasts seeking to preserve or enhance their bike s operational integrity.

### **Pros and Cons of buying a Yamaha IT400/YZ250/YZ400 Kick-Start Shaft Starter Spindle Gear (Part #498-15664-00-00, 1976 Model)**

1. **Authentic Fit and Function** This is an original Yamaha part designed specifically for the 1976 IT400, YZ250, and YZ400 models. It ensures a proper fit without modifications, reducing the risk of compatibility issues.

2. **Reliability** Yamaha s components, even older ones, are known for durability. A well-maintained shaft starter spindle gear should function reliably if the rest of the engine and transmission are in good condition.

3. **Ease of Installation** Since it s an OEM part, installation should be straightforward if you have basic mechanical skills. No custom machining or adjustments are typically needed.

4. **Cost-Effective for Restoration** If you re restoring a classic Yamaha, sourcing an original part can be cheaper than aftermarket alternatives, especially if the bike is rare or no longer in production.

5. **Historical Accuracy** For collectors or enthusiasts who prioritize authenticity, using an original part preserves the bike s original specifications.

6. **Potential for Long-Term Use** If the part is in good condition, it could last for many years, especially if the bike is lightly used and properly maintained.

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1. **Age and Wear** Being from 1976, the part may show signs of wear, rust, or degradation. It could require cleaning, lubrication, or even replacement of internal components (e.g., bearings, seals).

2. **Availability and Condition** Finding a high-quality used part in good condition can be challenging. The seller may not provide a full inspection, leading to surprises upon installation.

3. **No Warranty or Return Policy** Purchasing a used part means no manufacturer warranty. If the part fails shortly after installation, you ll be responsible for repairs.

4. **Potential for Counterfeit or Mismatched Parts** There is a risk of receiving a replica or a part from a different model year that doesn t fit perfectly. Always verify the part number and condition before buying.

5. **Compatibility Concerns** While this part is designed for the 1976 models, slight variations in later or earlier model years could cause issues. Confirm compatibility with your specific bike s build year and engine condition.

6. **Cost vs. Aftermarket Alternatives** Depending on the condition, a used OEM part may cost more than a new aftermarket equivalent. Aftermarket parts often come with warranties and may be more reliable if sourced from reputable brands.

7. **Maintenance Required** Even if the part is in decent shape, it may need cleaning, lubrication, or minor repairs before installation. This adds time and effort to the project.

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- You prioritize authenticity and originality for restoration.

- You re confident in inspecting the part for wear and functionality.

- You re willing to invest time in cleaning, lubricating, or repairing it if needed.

- You can t find a suitable aftermarket alternative at a better price or quality.

- You want a hassle-free, warranty-backed solution.

- You re unsure about the part s condition or compatibility with your bike.

- You re open to aftermarket parts that may offer better reliability or cost savings.

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1. **Inspect the Part Thoroughly** Before purchasing, request detailed photos or a video inspection of the spindle gear, shaft, and related components (e.g., bearings, seals). Look for rust, pitting, or excessive wear.

2. **Test the Functionality** If possible, ask the seller to demonstrate the part s operation (e.g., checking for smooth rotation, proper engagement with the starter mechanism).

3. **Compare with Aftermarket Options** Research aftermarket shaft starter kits or individual components (e.g., from brands like **Yamaha Performance Parts, KTM, or reputable online sellers**). These may offer warranties and better long-term reliability.

4. **Consider a Full Starter Motor Rebuild** If the rest of the starter assembly (e.g., solenoid, clutch) is worn, it may be more cost-effective to source a complete starter motor or rebuild kit rather than just the spindle gear.

5. **Buy from a Trusted Seller** Prefer sellers with verified feedback, return policies, or warranties. Platforms like **eBay (with seller ratings), Facebook Marketplace (with local pickup), or specialty motorcycle parts dealers** can offer better assurance.

6. **Budget for Additional Costs** Account for potential expenses like lubrication, cleaning supplies, or minor repairs. If the part is in poor condition, factor in the cost of replacement.

**Final Verdict:** If you re confident in the part s condition and willing to put in the effort to prepare it, the OEM spindle gear can be a solid choice for authenticity. Otherwise, weigh the risks against aftermarket alternatives for a more reliable, hassle-free solution.

Details:

Good usable condition, YAMAHA 1975 MX400B KICK STARTER: Yamaha mx400b 1976 DT250C STARTER 250B C 400B C: dt250c DT400C IT400C YZ250C: YZ250c YZ400C: YZ400c 1977 YZ250D 1978 YZ250E.

part #: 498156640000 prices

• $17.49-$30.00

specifications cyclevintagee:

• for models: It400, Yz250, Yz400
• for makes: Yamaha
• for years: 1976
• part type: Start Shaft Starter Spindle Gear
• vintage part: Yes
• country of origin: Japan
• upc: 498156640000

seller cyclevintagee:

• city: Florence, Kentucky
• rating: 99.9%
• # reviews: 7126

payments cyclevintagee:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer cyclevintagee:

• best offers: True
• started: February 23, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general cyclevintagee:

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

returns cyclevintagee:

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

shipping cyclevintagee:

• service: Economy
• cost: $0.75
• type: Fixed
• class: Economy
• transit: 3-7 Days

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