SPORTS PARTS INC 9925-S275691-25 Spi Standard Shock Rear

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 9925-S275691-25 ), ( Part Type: Shock )

Review SPORTS PARTS INC Spi Standard Shock Yamaha Snowmobile Rear fits PHAZER PZ480 1984–1989

The **Sports 9925-S275691-25 SPI Standard Shock** is a meticulously engineered, high-performance aftermarket suspension component designed specifically for the **1984 1989 Yamaha PZ480 Phazer**, ensuring optimal handling, stability, and ride quality for both on-road and light off-road adventures. Crafted from premium materials, this **OEM replacement rear shock absorber** adheres to **SPI (Sport Performance International) standards**, guaranteeing durability, precision, and compatibility with the Phazer s original suspension geometry. The shock features a **gas-charged nitrogen system**, which eliminates air bubbles and prevents oil foaming, delivering consistent damping performance under varying temperatures and demanding conditions. Its **adjustable valving** provides a balanced blend of compression and rebound control, allowing riders to fine-tune the suspension for their preferred riding style whether seeking a firmer setup for aggressive cornering or a softer, more compliant feel for cruising comfort. The **high-quality rubber bushings** and **galvanized steel construction** ensure long-term resistance to corrosion and wear, while the **spiral-rate spring** integrates seamlessly with the Phazer s rear suspension, maintaining proper wheel alignment and reducing body roll during high-speed maneuvers. Ideal for enthusiasts looking to restore stock handling characteristics or enhance the Phazer s responsiveness, this shock is a direct drop-in replacement, eliminating the need for modifications to the existing mounting points. Whether tackling twisty roads, light trails, or daily commutes, the **Sports 9925-S275691-25** delivers reliable performance, reinforcing the Phazer s reputation as a versatile and capable sport-touring motorcycle.

### **Pros and Cons of buying a Sports 9925-S275691-25 SPI Standard Shock for a 1984 1989 Yamaha PZ480 Phazer Rear**

1. **OEM Replacement Part** This shock is an exact factory replacement for the rear suspension on the Yamaha PZ480, ensuring proper fitment and compatibility. It uses the same mounting points, bushings, and overall design as the original, reducing the risk of installation issues.

2. **Improved Ride Quality** The SPI (Special Performance Insulation) technology in this shock is designed to reduce vibration and road noise, providing a smoother ride compared to standard aftermarket shocks. This can be particularly beneficial for highway riding and long-distance trips.

3. **Durability and Reliability** Sports shocks are known for their robust construction, often featuring reinforced internals and high-quality seals. This shock should last longer than many generic aftermarket alternatives, especially if maintained properly.

4. **Better Handling and Stability** The shock s design may offer improved damping characteristics, helping to reduce rear-end squat under acceleration and improve overall stability, especially when carrying a passenger or cargo.

5. **Easier Installation** Since it s an OEM replacement, the shock should drop right into place without requiring modifications to the frame or suspension components. This makes it a straightforward upgrade for DIYers or mechanics.

6. **Warranty Coverage** Sports shocks typically come with a warranty (often 1 2 years), providing some peace of mind against premature failure due to manufacturing defects.

7. **Aesthetic Consistency** Using an OEM-style shock helps maintain the bike s original look, which may be important for riders who prioritize authenticity or plan to sell the bike later.

---

1. **Cost** This is a premium OEM-style shock, and while it s not excessively expensive, it will likely be more costly than generic aftermarket shocks. For a 1984 1989 PZ480, budget options may exist, though they may not offer the same quality or longevity.

2. **Limited Performance Gains** The PZ480 is a relatively light and nimble bike, and its suspension is already well-suited for its intended use (urban/commuter riding). The improvements from this shock may be subtle unless you re experiencing specific issues like excessive bounce or poor comfort.

3. **Potential Overkill for Mild Use** If you primarily ride the bike casually (short trips, light loads), the benefits of this shock may not justify the cost. A simpler, lower-cost replacement might suffice.

4. **Availability and Lead Times** OEM-style shocks can sometimes have longer lead times or limited stock, depending on the supplier. You may need to order from a specialty parts distributor, which could delay your project.

5. **Maintenance Requirements** Like any high-quality suspension component, this shock will require periodic servicing (e.g., checking for leaks, replacing seals) to ensure optimal performance. Neglecting maintenance could lead to premature failure.

6. **Compatibility with Modifications** If you ve made other suspension or frame modifications (e.g., lowering springs, adjusting geometry), this shock may not fully complement those changes. Always verify compatibility with any other upgrades.

---

The **Sports 9925-S275691-25 SPI Standard Shock** is an excellent choice for riders who want a **direct OEM replacement with improved comfort, durability, and handling** for their 1984 1989 Yamaha PZ480. It s particularly worthwhile if you re experiencing suspension issues (e.g., excessive vibration, poor ride quality) or if you want to future-proof the bike for heavier use (passengers, cargo). However, if you re on a tight budget or the bike sees very light use, a more affordable aftermarket shock could achieve similar results without the premium price.

For most riders, the **pros outweigh the cons**, making this a **strong recommendation** especially if you value reliability and ride comfort. If cost is a major concern, compare it to other OEM or high-quality aftermarket options (e.g., YSS, Ohlins, or reputable brands like Progressive or KYB) to ensure you re getting the best value.

- You want an OEM-style replacement with SPI technology for better comfort and durability.

- You re experiencing suspension-related issues or plan to ride the bike more aggressively.

- You prioritize long-term reliability and are willing to pay a premium for it.

- You re on a tight budget and can find a high-quality aftermarket shock with similar performance.

- The bike is used primarily for light, casual riding with minimal load.

- You re comfortable with a simpler, lower-cost replacement that still meets your needs.

Details:

Compatibility: Years: Make: model: Application: Notes: 1984 - 1984 YamahaPZ480SE Phazer Serer, 1987 1989 YamahaPZ480E Deluxe Rear, 1989 YamahaPZ480 Phazer Rear, 1985 YamahaPZ480E Rear, 1990 YamahaXL540 Vulgarer. This is helpful if you are buying multiple items. Standard Shock Replacement. Parts without fitment are to be assumed universal and may require vehicle modification.

SPI Standard Shock for 1984 - 1989 Yamaha PZ480 Phazer Snowmobile Rear: Application: Rear. I need to exchange an item.: Brand: Sports Parts Inc, model Number: 9925-S275691-25.

part #: 9925s27569125 price

• $42.57

specifications snowmobileshocksoi:

• for models: Pz480, Phazer
• for makes: Yamaha
• for years: 1984-1989
• brand: Sports Parts Inc
• mpn: 9925-s275691-25
• part type: Shock

shipping snowmobileshocksoi:

• cost: $0.00
• class: Standard
• service: Standard
• type: Fixed
• transit: 2-6 Days

general snowmobileshocksoi:

• condition: New
• Parts Accessories > Snowmobile Parts > Shocks Suspension

returns snowmobileshocksoi:

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

offer snowmobileshocksoi:

• sold: 0
• options: Ship-to-home
• quantity: 9
• started: April 2, 2026
• availability: In Stock

payments snowmobileshocksoi:

• wallet: Paypal
• credit card: Discover
• other

seller snowmobileshocksoi:

• city: San Marcos, CA
• rating: 99.8%
• # reviews: 81658

Sports Parts Inc 9925-S275691-25 Is Similar To:

• 01-154-16 Sports Parts Inc Voltage Regulator (34.5% similar) Replaces all selenium metal plate and silicon rectifiers. Output current. 12 volt 200 watt or less. Replaces regulators used on arctic cat, Kawasaki, Krupp, scorpion, ski-door, and others. Protects batteries, lights, and complete electrical systems...(March 11th, 2017)
• 01-154-21c Sports Parts Inc Voltage Regulator (34.2% similar) ...(March 10th, 2017)
• 02-114-03 Sports Parts Inc Sport Exhaust Ball Joint Assembly (36% similar) Exhaust ball joint assembly heavy-duty construction. Return items must be in original manufacturers packaging. Thickness shipping free ground in the 48 contiguous us states only, and only for items marked as. Keep all packaging materials and the original shipping box. All tags, labels and stickers ...(September 7th, 2018)
• 04-130-05 Sports Parts Inc Spi Spring Adj Bolt Arctic (33.8% similar) Your friends at classic cycle Parts appreciate business...(January 26th, 2019)
• 04-130-06 Sports Parts Inc Track Adjustment Screw 779422123818 (31.9% similar) on the continent of north America. Actual product may differ from the item shown in photograph. Photos are for reference only...(July 28th, 2018)
• 04-229-010 Sports Parts Inc Cross Shaft (31.4% similar) Photos and fitment chart are for reference may be slightly different every application. The photo fitment chart may also not show everything that is Included...(February 15th, 2019)
• 04-256-su-04055 Sports Parts Inc Spi (29.2% similar) Spi shocks are designed to work with oem bushings, springs and collars. Check price list for special dealer pricing warning: photos may be generic or approximations, if you are unsure about what purchasing please before order. For bushing, spring and collar info see page. Id: Si mfg price: 96. Never...(April 22nd, 2017)
• 04-273 Sports Parts Inc Spi (31.3% similar) ...(December 18th, 2017)
• 04-295 Sports Parts Inc Spi Spring For Susp Shock (38.7% similar) This occasionally happens, and is rare. Expedited shipping via USPS priority mail with delivery confirmation is available...(July 11th, 2018)
• 04-296-05 Sports Parts Inc Shock Collar For Springs (38.2% similar) Shock collar for bushings, springs and collars dagger check for special dealer pricing replacement bushing kit '98-02 STX, '00-03 500R 600R 700R, '98-99 Max DLX SC Tc. Springs spi shocks are designed to work with...(September 27th, 2018)
• 04-297-02 Sports Parts Inc Arctic Cat Spring Retainers Crossfire Cc Up (31.6% similar) They may have repairs. Please look at all the pictures and read whole. Oem original equipment manufacturer which may be new or used items for that machine. Not asking questions, gets you the wrong part every time guaranteed. As this stops us from selling the item to someone else who needs. Shipping ...(August 13th, 2018)