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  3. YAMAHA 3J2-12171-00-00

YAMAHA 3J2-12171-00-00 Intake Exhaust Cams Camshaft Front Caps Rear

fits model: Xs750, Xs850, Xs, 750, 850. make: Yamaha.

3j2-12171-00-00 Yamaha Xs 750 Xs750 Xs850 850 Oem Intake Exhaust Cams Camshaft Front Rear Caps

( Manufacturer Part Number: 3J2-12171-00-00 ), ( Part Type: Intake Exhaust Cam Camshaft Cap ), ( Items Included: Cap )

Review YAMAHA Oem Intake Exhaust Cams Camshaft Front Rear Caps fits XS750 XS850 XS 750 850

The Yamaha XS 750, XS750, and XS850 motorcycles are legendary machines known for their raw power and distinctive sound. To enhance the performance of these iconic bikes, Yamaha offers replacement intake and exhaust camshafts, front and rear camshaft caps. Let's delve into the details of these high-performance parts.

The intake and exhaust camshafts are critical components of the engine's valvetrain system. These camshafts are designed to provide optimal engine performance by controlling the opening and closing of the intake and exhaust valves at the correct timing. The intake camshafts are responsible for drawing in a fresh charge of air-fuel mixture, while the exhaust camshafts expel the spent gases.

These replacement camshafts from Yamaha are engineered to exacting specifications for a perfect fit and exceptional performance. They are made using high-quality materials, ensuring durability and reliability even under the most demanding riding conditions. By installing these new camshafts, riders can expect improved engine response, increased power output, and smoother engine operation.

The front and rear camshaft caps are essential parts of the camshaft assembly. These caps seal the camshaft bearings, preventing oil leakage and ensuring proper lubrication. The new Yamaha camshaft caps are precision-machined to fit perfectly on the camshafts and engine housing. They are made from robust materials that can withstand the high engine temperatures and pressures.

Installing these performance parts on your Yamaha XS 750, XS750, or XS850 motorcycle is a straightforward process. They are designed as direct replacements for the original parts, making the installation process quick and hassle-free. With these high-performance camshafts and caps, you can breathe new life into your classic Yamaha motorcycle, providing a more enjoyable and exhilarating riding experience.

Pros and Cons of Buying Yamaha XS 750/850 Intake Exhaust Camshafts and Caps

1. **Improved Performance**: Replacing the stock camshafts with high-performance cams can lead to increased horsepower and torque, resulting in better acceleration and overall engine performance.

2. **Customization**: Upgrading to high-performance camshafts is a popular modification among motorcycle enthusiasts, allowing riders to tailor their bikes to their specific preferences and riding styles.

3. **Durability**: High-performance camshafts are often made from stronger materials, which can improve the longevity of the engine and reduce the need for frequent repairs or replacements.

4. **Better Efficiency**: High-performance cams can improve the engine's efficiency by optimizing the intake and exhaust cycles, resulting in better fuel economy and reduced emissions.

5. **Risk of Engine Damage**: Installing high-performance cams without proper tuning or adjustment can result in engine damage, including valve damage or detonation.

6. **Cost**: High-performance cams and associated components, such as intake and exhaust cams, camshaft caps, and rear caps, can be quite expensive, making this modification a significant investment for some riders.

7. **Installation Complexity**: Installing aftermarket camshafts can be a complex process that requires specialized tools and knowledge. Hiring a professional mechanic to perform the installation may add to the overall cost.

8. **Maintenance**: High-performance cams may require more frequent maintenance, such as regular valve adjustments and oil changes, to ensure optimal performance and prevent engine damage.

**Conclusion**: Upgrading to high-performance intake exhaust camshafts, cams, and caps for a Yamaha XS 750 or 850 can lead to improved performance, better efficiency, and increased customization. However, this modification comes with risks, including the potential for engine damage, complex installation, and ongoing maintenance requirements. Weighing the pros and cons and considering your personal riding style and budget is essential before deciding to make this investment.

**Recommendation**: If you are considering upgrading the cams on your Yamaha XS 750 or 850, we recommend consulting with a professional mechanic to ensure a proper installation and tuning process. This will help minimize the risks and maximize the benefits of this modification. Additionally, consider investing in high-quality components from reputable manufacturers to ensure long-term durability and performance.

Details:

Shipped with USPS Ground Advantage. Xs850 Yamaha XS 750 XS750 XS850 850 OEM Intake Exhaust Cams Camshaft Front Rear Caps. Condition is Used.

part #: 3j2121710000 prices

  • $37.54-$42.00

specifications racacyc:

  • for models: Xs750, Xs850, Xs, 750, 850
  • for makes: Yamaha
  • mpn: 3j2-12171-00-00
  • part type: Intake Exhaust Cam Camshaft Cap
  • items included: Cap

general racacyc:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Engine Cooling > Radiator Coolant Reservoir Caps

offer racacyc:

  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: August 4, 2025

returns racacyc:

  • policy: No Returns

shipping racacyc:

  • type: Calculated
  • transit: 4-10 Days
  • cost: $7.30
  • class: Standard
  • service: USPS Ground Advantage
  • carrier: USPS

seller racacyc:

  • rating: 99.4%
  • city: Livonia, Michigan
  • # reviews: 1342

payments racacyc:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other
for models: xs750, xs850, xs, 750, 850, for makes: yamaha, part type: intake exhaust cam camshaft cap, items included: cap,
category: motorcycle parts > motorcycle scooter parts accessories > engine cooling > radiator coolant reservoir caps, sku: 1697532000742632,
Yamaha 3J2-12171-00-00 Is Similar To:
racacyc logo
5 offers $37.54–$42.00 USD
  • Used. Offer #1 priced at $42.00 + $20.00 shipping estimate = $62.00* total. Removed from a low hour bike. Removed from a 1981 XS850S.+$20.00 shipping
  • Used. Offer #2 priced at $37.54 + $0.00 shipping estimate = $37.54* total. Removed From: 1978 Yamaha XS750 with 17,330 miles.FREE SHIPPING
  • Used. Offer #3 priced at $37.54 + $0.00 shipping estimate = $37.54* total. FREE SHIPPING
  • Used. Offer #4 priced at $33.33 + $8.60 shipping estimate = $41.93* total. Shipped with USPS Ground Advantage. Xs850 Yamaha XS 750 XS750 XS850 850 OEM Intake Exhaust Cams Camshaft Front Rear Caps.+$8.60 shipping
  • Used. Offer #5 priced at $45.00 + $19.15 shipping estimate = $64.15* total. These are used parts 1980 Yamaha XS850s Special intake and exhaust camshafts.+$19.15 shipping

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