fits model: Century.

( Brand: Gray Marine ), ( Part Type: Engine ), ( Engine Hp : 109 ), ( Stroke: 4-stroke )
The Inboard 109RD engine, a masterpiece in the Chris-Craft Century Paragon's marine craft, is a testament to the fusion of power and elegance. This 109cid (1.8 L) engine, with its distinctive rounded edges and vintage appeal, is a nod to the bygone era of classic boat design. The Inboard 109RD engine is a four-stroke, single-cylinder powerhouse, known for its reliability and smooth operation.
The engine features a high-compression, cast-iron cylinder block, which lends it remarkable durability and resistance to corrosion. The cylinder head is equipped with a single-valve, overhead camshaft design, enhancing the engine's efficiency and power output. The carburetor fuel system ensures a steady supply of fuel, while the mechanical ignition system, with its high-tension spark plugs, provides reliable ignition.
The Inboard 109RD engine is equipped with a heavy-duty, multi-plate clutch and a reverse gear, offering versatility in maneuvering the boat. The engine's mounting system is robust, ensuring a secure and stable position, even in rough seas. The engine's cooling system, featuring a heat exchanger and a water pump, maintains optimal operating temperatures, ensuring the engine's longevity and performance.
The Inboard 109RD engine is not just about power; it's also about style. The polished chrome details and the vintage Chris-Craft badge on the engine block add a touch of elegance to your boat, making it a standout on the water. This engine is a perfect blend of vintage charm and modern reliability, making it an ideal choice for those who appreciate the rich history of marine craft and the thrill of open-water cruising.
Pros of buying an Inboard 109RD engine for a Chris-Craft, Century, or Paragon antique marine craft:1. Reliability: The Inboard 109RD engine is known for its durability and reliability, making it an ideal choice for classic boats that require regular use.
2. Power: With a displacement of 109 cubic inches and a power output of up to 120 horsepower, this engine provides sufficient power for most antique boats, ensuring smooth and fast operation.
3. Availability of parts: The Inboard 109RD engine is a popular choice for classic boat enthusiasts, and parts are generally readily available, making maintenance and repairs easier.
4. Ease of installation: The Inboard 109RD engine is designed to fit well in a variety of classic boat makes and models, making the installation process relatively straightforward.
Cons of buying an Inboard 109RD engine for a Chris-Craft, Century, or Paragon antique marine craft:1. Cost: The Inboard 109RD engine is not the cheapest option on the market, and the cost of purchasing a engine, as well as necessary upgrades and modifications, can add up quickly.
2. Older models may require more maintenance: Older Inboard 109RD engines may require more maintenance and repairs than newer models, which can be time-consuming and costly.
3. Fuel consumption: The Inboard 109RD engine is not the most fuel-efficient option, which can result in higher fuel costs for boat owners who use their vessels frequently.
Conclusion:The Inboard 109RD engine is a reliable and powerful option for antique boat enthusiasts looking to upgrade their classic craft. Its availability of parts and ease of installation make it a popular choice, but its cost and fuel consumption may be a concern for some buyers. Ultimately, the decision to purchase an Inboard 109RD engine should be based on the individual's specific needs, budget, and priorities.
Recommendation:For those who prioritize reliability, power, and availability of parts, the Inboard 109RD engine is a great choice. However, potential buyers should carefully consider the cost and fuel consumption of the engine and weigh it against their budget and usage requirements. It may be beneficial to speak with a marine mechanic or classic boat expert to get a better understanding of the specific needs of the boat and the most suitable engine option.
Engine model is 109RD s3501,has a paragon gear reduction ra20 3h7735. Ask if questions.
Someone has swiped some parts off it over the years,so selling as is for parts.
The intake exhaust manifold is cracked and had been welded and epoxied yrs ago. Was drained down oiled up stored inside until now. Here's a vintage Gray Marine 109RD 6 cylinder engine that was running when removed from 30' launch over 20 yrs ago was a re power for sure as the launch was from the early 1900's this engine is probably from the 1950's.
The cast aluminum oil pan got broken while loading. Selling as is where is. Great core or starter engine for your restoration project,these are getting very hard to find.