CHAPARRAL 300739 Engine 340CC

( Brand: Chaparral ), ( Manufacturer Part Number: 300739 ), ( Part Type: Engine )

Review CHAPARRAL Vintage 340cc Engine

The 300739 340cc engine is a powerful and efficient four-stroke, single-cylinder air-cooled engine designed for various applications. This engine boasts a displacement of 340 cubic centimeters and is known for its robust and reliable performance.

The engine's cylinder bore measures 86mm, while its stroke is 80mm, resulting in a compact and lightweight design. The 300739 engine features a simple and durable design that is easy to maintain. It has a compression ratio of 9.5:1, which provides ample power and torque for various tasks.

The engine's carburetor fuel system ensures a smooth and consistent fuel-air mixture, which is essential for optimal combustion. The intake valve diameter is 28.5mm, while the exhaust valve diameter is 21.5mm, providing efficient gas exchange for optimal engine performance.

The engine's cooling system is air-cooled, which eliminates the need for a complex and heavy liquid cooling system. The engine's cooling fins are strategically placed to maximize airflow and ensure efficient cooling.

The 300739 engine also features a convenient electric starter system, which makes starting the engine quick and effortless. The engine's ignition system uses a simple and reliable points and condenser system, which ensures reliable and consistent spark production.

The engine's crankshaft and connecting rod are designed for durability and reliability, with strong materials and precise machining. The engine's clutch system is designed to provide smooth and consistent power transmission to the drive train.

In summary, the 300739 340cc engine is a versatile and powerful engine that is suitable for various applications. Its simple and durable design, combined with its efficient fuel system and reliable ignition system, make it a popular choice for those seeking a reliable and powerful engine for their equipment.

1. Power and Performance: The 340cc engine is known for its power and torque, making it an excellent choice for those seeking improved performance.

2. Versatility: This engine can be used in various applications, including automobiles, boats, and generators.

3. Availability: The 340cc engine is a popular choice, and parts and accessories are readily available, making maintenance and repair easier.

4. Durability: Known for their robustness, these engines can handle heavy use and tough conditions.

1. Size and Weight: The 340cc engine is larger and heavier than some other engine options, which could impact transportation, installation, and storage.

2. Fuel Consumption: Compared to smaller engines, the 340cc engine may consume more fuel, leading to higher operating costs.

3. Maintenance: Due to its size and power, the 340cc engine may require more frequent maintenance, including oil changes and tune-ups.

4. Cost: The upfront cost of a 340cc engine can be higher than that of smaller engines, which could be a barrier for some buyers.

In conclusion, the decision to buy a 300739 340cc engine depends on your specific needs and circumstances. If power, performance, and versatility are your top priorities, and you can accommodate the size, weight, and cost, this engine could be an excellent investment. However, if you're looking for a smaller, more fuel-efficient, and lower-maintenance engine, you may want to consider other options. Ultimately, carefully weighing the pros and cons can help you make an informed decision.

Based on the information provided, my recommendation would be for those who require significant power and torque, are willing to pay the upfront cost, and have the means to accommodate the size and weight. For others, it might be worth exploring alternative engine options to better fit their requirements.

Details:

This engine, with the manufacturer part number 300739. The Vintage Chaparral 340cc Engine is a rare find for collectors and enthusiasts of classic snowmobiles. I don't know anything about it, doesn seemed seized it is just frozen from sitting, can see the pistons and they are clean I m sure with some oil persuading will start moving. Found in a barn.

With the Chaparral brand known for its quality and performance, this engine is sure to be a valuable addition any snowmobile restoration project.

part #: 300739 prices

• $93.87-$499.99

specifications enginesnowmobile:

• brand: Chaparral
• mpn: 300739
• part type: Engine

general enginesnowmobile:

• Snowmobile Parts > Engines Components > Snowmobile Engine Components
• condition: For parts or not working

offer enginesnowmobile:

• started: March 21, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• best offers: True
• options: Ship-to-home

seller enginesnowmobile:

• # reviews: 242
• city: Ray, Michigan
• rating: 100.0%

payments enginesnowmobile:

• other
• money order
• credit card: Diners-club
• wallet: Apple-pay

returns enginesnowmobile:

• policy: No Returns

shipping enginesnowmobile:

• transit: 4-9 Days
• carrier: UPS
• service: UPS Ground
• type: Calculated
• cost: $76.49
• class: Standard

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