fits year: 1979.

( Brand: Sears Gamefisher ), ( Manufacturer Part Number: 217.585831 ), ( Part Type: Hp Unit Motor ), ( Manufacturer Of Motor: Eska ), ( Motor Model : 9a-247141 ), ( Description: Lower Unit Gear Housing Assembly. ), ( Horse Power: 7.5 ), ( Country Of Origin: United States )
The **Sears Gamefisher Model 217.585831 Lower Unit (Part #9A-247141) from 1979**, paired with a **7.5 HP motor**, represents a classic yet highly functional component of vintage fishing boat propulsion systems, designed to deliver reliable performance for decades of use. This lower unit is a robust, cast-aluminum assembly engineered to withstand the demands of freshwater and saltwater environments, making it a durable choice for anglers seeking both power and longevity. The **9A-247141** designation indicates a specific model within Sears extensive lineup, featuring a **single-speed reduction gear ratio** optimized for smooth, efficient power transfer from the motor to the propeller shaft, ensuring consistent thrust and minimal vibration. Built with precision, this lower unit incorporates a **sealed, oil-filled housing** to protect internal components from corrosion, water intrusion, and wear, a critical feature for maintaining performance over time. The **1979 production date** suggests it was manufactured during an era when Sears prioritized both affordability and quality, making it a sought-after piece for restorers and enthusiasts looking to revive or upgrade older fishing boats. Whether used in a classic outboard setup or as a replacement for a failing unit, this lower unit offers a blend of simplicity and strength, embodying the practical engineering of mid-century marine technology. Its compatibility with a **7.5 HP motor** a common power output for smaller to mid-sized fishing boats makes it ideal for tranquil lakes, rivers, or coastal waters where steady, reliable propulsion is key. For collectors, mechanics, or anglers with a penchant for vintage equipment, this lower unit stands as a testament to enduring craftsmanship, blending historical significance with functional reliability.
### **Pros and Cons of buying a Sears Gamefisher 217.585831 (1979) with a 7.5 HP 9A-247141 Lower Unit Motor**
#### **Pros:**1. **Affordability** Older outboard motors and boats are often significantly cheaper than newer models, making this a budget-friendly option for casual or recreational use.
2. **Simplicity** The 7.5 HP motor is lightweight and easy to handle, ideal for small boats, fishing, or pond use where high speed isn t necessary.
3. **Parts Availability** Since this is a classic model, basic parts (like spark plugs, belts, and gaskets) may still be accessible, though specialty components could be harder to find.
4. **Low Maintenance Requirements** A well-maintained 7.5 HP motor requires minimal upkeep compared to larger engines, making it suitable for occasional use.
5. **Nostalgia & Collectibility** If you appreciate vintage equipment, this could be a fun addition to a collection or a project boat.
6. **Fuel Efficiency** Small outboards consume very little gas, reducing operating costs.
7. **Versatility** Can be used in small fishing boats, canoes, or even as a backup motor for larger vessels.
#### **Cons:**1. **Age & Wear** The 1979 manufacturing date means the motor has likely seen significant use, and internal components (like the lower unit, piston, and bearings) may be worn out.
2. **Reliability Concerns** Older motors are prone to mechanical failures, especially if not properly maintained. The 9A-247141 lower unit may have issues with seals, gears, or corrosion.
3. **Limited Performance** A 7.5 HP motor is extremely slow, making it impractical for open water, rough conditions, or any use requiring speed or power.
4. **Emissions & Regulations** Many areas have restrictions on older, less efficient engines, and this model may not meet modern environmental standards.
5. **Difficulty in Finding Experts** Mechanic knowledge of this specific model is rare, increasing repair costs if issues arise.
6. **Safety Risks** Older motors may lack modern safety features (like modern ignition systems or corrosion-resistant materials), increasing the risk of failure.
7. **Resale Value** If you decide to sell later, the market for vintage outboards is niche, and depreciation may be steep.
#### **Conclusion:**This Sears Gamefisher with a 7.5 HP 1979 lower unit motor could be a worthwhile purchase if you need a **low-cost, low-maintenance backup motor** for a small fishing boat, pond use, or a project boat where speed isn t a priority. However, if you expect **reliability, performance, or long-term use**, the risks of mechanical failure and high repair costs outweigh the benefits.
#### **Recommendation:** - **Buy only if:**- You plan to use it occasionally in calm, shallow waters.
- You re prepared to invest time in restoring or replacing worn components.
- You find a seller who provides a **detailed service history** or allows a test run.
- You re okay with the motor being a **secondary or decorative piece** rather than a primary power source.
- **Avoid if:**- You need a dependable motor for regular use.
- You re unfamiliar with small outboard repairs.
- You re looking for a motor that meets modern safety or environmental standards.
- The price is close to or exceeds the cost of a **new, used, or refurbished 7.5 10 HP motor** from a more reliable brand (e.g., Honda, Yamaha, or Evinrude).
**Final Verdict:** This motor is best suited for **enthusiasts, collectors, or those on a tight budget** who understand the limitations of an older, high-mileage engine. For most practical applications, a newer or better-maintained small outboard would be a smarter investment.
1979 Sears Gamefisher 7.5 HP Lower unit gear housing assembly with water tube and drive shaft. Guaranty: All Parts come straight from the factory Andre guaranteed to be ready use parts marked used are not the factory. Shipped ASAP to get you back on the water ASAP.