1. Inboard Complete Gas Engines For Sale
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  3. YAMAHA 65U-W0090-03-8S

YAMAHA 65U-W0090-03-8S Waverunner Gp Ls Engine Motor Comp

fits model: 1200. make: Yamaha. year: 1997–2000.

65u-w0090-03-8s Yamaha Good Used 1997-1999 Waverunner Gp 1200 Ls 2000 Engine Motor 120 Psi Comp

( Manufacturer Part Number: 65U-W0090-03-8S ), ( Part Type: Engine Motor )

Review YAMAHA Good Used Waverunner Gp Ls Engine Motor 120 Psi Comp fits 1200 1997–2000

The **Yamaha 65U-W0090-03-8S** is a high-performance, factory-original engine designed specifically for the **1997 1999 Yamaha Waverunner GP 1200 LS**, featuring the legendary **2000 cc, liquid-cooled, inline-four cylinder** powerplant known as the **LS2000**. This engine represents the pinnacle of Yamaha s marine propulsion technology from the late 1990s, delivering a seamless blend of raw power, precision engineering, and reliability. Built with a **cast-iron cylinder block and aluminum cylinder head**, the LS2000 engine showcases a robust construction that ensures durability even under the most demanding conditions. The **direct-injection fuel system** enhances efficiency and performance, while the **electronic fuel injection (EFI)** with a **multi-point sequential injection** setup guarantees optimal throttle response and smooth operation across a wide RPM range. With a **compression ratio of 9.5:1**, this engine produces a staggering **120 horsepower** at the crankshaft, translating into exhilarating acceleration and top-tier handling for the Waverunner GP 1200 LS. The **dry-sump lubrication system** with a **high-capacity oil pump** ensures consistent oil flow to critical components, reducing wear and extending the engine s lifespan even during aggressive riding. Additionally, the **catalytic converter** and **oxygen sensors** comply with emissions regulations of the era, balancing performance with environmental considerations. This engine is a sought-after restoration piece for enthusiasts looking to revive their classic Waverunner with factory-spec power, offering a perfect marriage of vintage charm and cutting-edge marine engineering. Whether used for high-speed cruising, wakeboarding, or competitive racing, the **Yamaha 65U-W0090-03-8S LS2000** delivers the kind of thrilling performance that defines Yamaha s legacy in personal watercraft.

### **Pros and Cons of Buying a Yamaha 65U-W0090-03-8S (1997-1999) Waverunner GP 1200 LS with a 2000 Engine (120 HP)**

#### **Pros:**

1. **Strong Performance** The 120 HP 2000 engine provides reliable power for cruising, towing, and handling waves, making it suitable for both recreational and slightly more demanding use.

2. **Proven Reliability** Yamaha s 2000-series engines are known for durability, especially when properly maintained. Many owners report these models lasting well beyond 1,000 hours with regular upkeep.

3. **Good Fuel Efficiency** Compared to larger outboards, the 120 HP engine offers decent fuel economy, reducing running costs for shorter trips.

4. **Resale Value** Yamaha personal watercraft (PWC) models from this era hold up relatively well in the used market, especially if well-maintained.

5. **Ease of Maintenance** The 2000 engine is straightforward to service, with accessible components and a reputation for fewer major issues compared to some competitors.

6. **Comfortable Ride** The GP 1200 LS model features a slightly larger seating area and improved ergonomics compared to earlier Waverunners, offering better comfort for longer rides.

7. **Aftermarket Support** There is a strong aftermarket presence for Yamaha PWC parts, including performance upgrades, custom seats, and storage solutions.

8. **Smooth Handling** The 1997-1999 GP 1200 LS is designed for stability, making it a good choice for intermediate riders looking for a balance between power and control.

9. **Lower Initial Cost** Compared to newer models, this used PWC is significantly cheaper, allowing buyers to allocate more budget toward accessories or modifications.

10. **Classic Yamaha Build Quality** Early 2000s Yamaha PWCs are built with solid materials, and many components (like the hull and trim) are still functional even after years of use.

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#### **Cons:**

1. **Age and Wear** Being from 1997-1999, the PWC may show signs of aging, including worn-out seals, rust, or degraded trim. A thorough inspection is critical before purchase.

2. **Potential Engine Issues** While the 2000 engine is reliable, older models may suffer from carbon buildup, timing chain wear, or fuel system clogs if not regularly serviced. A pre-purchase inspection (PPI) is highly recommended.

3. **Outdated Technology** Unlike modern PWCs with digital dashboards, GPS, and Bluetooth connectivity, this model lacks advanced features, which may be a drawback for tech-savvy riders.

4. **Fuel and Emissions Regulations** Some marinas or rental operations may have restrictions on older engines due to emissions standards. Check local regulations before purchasing.

5. **Limited Storage and Comfort** The GP 1200 LS has basic storage options compared to newer models, which often include built-in coolers, phone mounts, and more ergonomic seating.

6. **Resale Depreciation** While it holds value better than some competitors, a used PWC from this era will still depreciate over time, especially if not well-maintained.

7. **Noise and Vibration** Older Yamaha PWCs can be noisier and vibrate more than modern models, which may affect comfort on long rides.

8. **Parts Availability** While parts are still available, some specialized components (e.g., rare seals or trim pieces) may be harder to find than in newer models.

9. **Safety Features** Modern PWCs come with advanced stability control, better braking systems, and improved rider aids. This model lacks some of those safety enhancements.

10. **Potential Hidden Costs** If the PWC has not been properly maintained, buyers may face unexpected repair bills for the engine, drive system, or hull.

---

### **Conclusion:**

The **Yamaha 65U-W0090-03-8S (1997-1999) GP 1200 LS with a 2000 engine** is a solid choice for riders seeking a **reliable, mid-sized PWC** that balances performance and affordability. It excels in **durability, fuel efficiency, and ease of maintenance**, making it ideal for those who prioritize a **proven workhorse** over the latest gadgets.

However, **buyers should be prepared for potential wear and tear** from its age and may need to invest in **regular upkeep** to keep it running smoothly. If you plan to use it **frequently or for demanding tasks**, ensure the engine and hull are in **excellent condition** before purchasing.

For **casual riders, weekend enthusiasts, or those on a budget**, this PWC offers great value. But if you want **modern features, advanced safety, or plan to use it heavily**, a newer model (even a used one from the 2010s) might be worth the extra cost.

---

### **Recommendation:**

- **Buy if:** You want a **reliable, mid-power PWC** for recreational use, are willing to **inspect it thoroughly**, and plan to **maintain it properly**. It s a great option for riders who enjoy the **classic Yamaha experience** without the latest tech.

- **Avoid if:** You need **modern safety features, advanced connectivity, or plan to use it for high-performance activities** (e.g., wakeboarding, long-distance cruising). Also, skip if the seller cannot provide **full service records** or the PWC shows **signs of neglect**.

- **Best Approach:**

- **Get a pre-purchase inspection** (PPI) by a Yamaha dealer or marine mechanic.

- **Test the engine under load** to check for rough idling, power loss, or unusual noises.

- **Inspect the hull for cracks, delamination, or excessive wear** especially around the trim and drive system.

- **Budget for potential repairs** (e.g., timing chain replacement, fuel system cleaning) if the PWC has high mileage.

- **Consider a used newer model** (e.g., 2010s GP 1200) if you want **better fuel efficiency, emissions compliance, and modern features** without breaking the bank.

**Final Verdict:** A well-maintained **1997-1999 Yamaha GP 1200 LS with a 2000 engine** can be a **great buy for the right buyer** someone who values **reliability, simplicity, and affordability** over cutting-edge technology. Just **verify its condition carefully** before committing.

Details:

Good used replacement freshwater OEM engine. Make sure this part fits your machine before purchasing. Good condition used engine pulled from a well running 1999 Yamaha GP1200 non-R. Cylinders are in nice shape and well lubricated.

120 psi compression across all cylinders. I do not mark merchandise values below or items as ts. Crankshaft rotates smoothly by hand. Pistons look great.

Freshwater part.

part #: 65uw0090038s price

  • $35.95

specifications completegengin:

  • for models: 1200
  • for makes: Yamaha
  • for years: 1997-2000
  • mpn: 65u-w0090-03-8s
  • part type: Engine Motor

returns completegengin:

  • time: 14 Days
  • policy: Returns Accepted
  • paid by: Buyer

seller completegengin:

  • city: Grandville, Michigan
  • # reviews: 1682
  • rating: 99.9%

payments completegengin:

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

shipping completegengin:

  • cost: $115.00
  • type: Fixed
  • carrier: UPS
  • service: UPS Ground
  • class: Standard
  • transit: 3-8 Days

offer completegengin:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: February 4, 2026
  • best offers: True
  • availability: In Stock

general completegengin:

  • Boat Parts > Inboard Engines Components > Complete Gas Engines
  • condition: Used
for models: 1200, for makes: yamaha, for years: 1997-2000, part type: engine motor,
category: boat parts > inboard engines components > complete gas engines, sku: 6462129595970891,
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