HIRTH 171R4E Engine 634CC

( Brand: Hirth ), ( Manufacturer Part Number: 171R4E ), ( Part Type: Engine ), ( Country/region Of Manufacture: Germany )

Review HIRTH Complete 634cc Engine fits 1971

1971 Hirth 171r4e engine - A Powerful and Reliable Two-Stroke Air-Cooled Engine

The 1971 Hirth 171r4e engine is a remarkable two-stroke air-cooled powerhouse that continues to impress aviation enthusiasts and pilots with its impressive power output, durability, and efficiency. This engine, featuring a displacement of 634.4cc, earned its reputation for being a dependable workhorse in the light aircraft industry.

The Hirth 171r4e engine is a horizontally-opposed two-cylinder engine, delivering a smooth and balanced power output. It is admired for its compact size, lightweight construction, and efficient layout. The engine design incorporates an unusual fuselage cowling arrangement, allowing easy access to the cylinder heads for maintenance.

With a maximum power output of approximately 56 horsepower at 5300 rpm, the 1971 Hirth 171r4e engine provides ideal power for light aircraft, ultralights, and gliders. The engine's impressive power-to-weight ratio ensures excellent performance, enabling faster takeoffs and smooth cruising speeds.

The Hirth 171r4e engine was designed with simplicity and maintenance in mind. It boasts several features that contribute to its reliability, such as easy-to-change oil filters, non-corrosive materials, and user-friendly service points. The engine requires minimum maintenance and can operate in a wide range of temperatures and humidity levels.

This engine has proven itself as a versatile power plant, working seamlessly in various applications such as light aircraft, ultralights, weight-shift control aircraft, and even operation in reverse for powered sailplanes. Its dynamic nature and compatibility with various propeller configurations further make it a popular choice among pilots and builders.

As a two-stroke engine, the 1971 Hirth 171r4e produces high emission levels, which may not meet the stringent regulations of some modern aviation authorities. However, it is still widely used in the ultralight and vintage aircraft community due to its power output and practical design. To minimize environmental impact, owners and pilots may opt to use environmentally-friendly fuels like biofuel when available.

The 1971 Hirth 171r4e engine offers impressive handling capabilities due to its lightweight and compact design. It also features a robust ignition system and electric starter, helping to make starting and takeoffs safer and more convenient. Additionally, its efficient fuel consumption ensures longer flights with fewer fuel stops, enhancing overall flying safety.

The 1971 Hirth 171r4e engine is not only an essential component of many historical and vintage aircraft but also a popular choice for aviation enthusiasts and builders looking for a dependable and powerful engine for lighter aircraft applications. Its unique features, reliability, and diverse capabilities continue to make it a must-have for those who value efficiency, performance, and a durable power source for their flying adventures.

Buying a 171r4e 1971 Hirth 634cc engine comes with several pros and cons that potential buyers should consider before making a decision.

1. Historical Value: This engine is a classic, and owning a piece of automotive history can be rewarding for many enthusiasts.

2. Power and Performance: The Hirth engine is known for its power and reliability, producing around 50 horsepower, which is quite impressive for an engine of its size and age.

3. Wide Availability: These engines are widely available on the aftermarket, making them relatively easy to find and purchase.

4. Interchangeability: The Hirth engine is commonly used in a variety of vintage airplanes, making it an ideal choice for those restoring or building an aircraft.

1. Spare Parts: Finding original spare parts for this engine can be challenging and expensive, as they are no longer in production.

2. Complex Design: The Hirth engine's complex design requires specialized knowledge and skills to maintain and repair, making it less accessible to some hobbyists.

3. Fuel Consumption: These engines are not the most fuel-efficient, which is something to consider if you'll be frequently flying long distances.

4. Safety Concerns: Older engines like the Hirth 171r4e may pose safety risks, particularly in aviation applications, due to their age and potential for component failure.

In conclusion, purchasing a 171r4e 1971 Hirth 634cc engine comes with both advantages and disadvantages. For enthusiasts looking to restore or build an aircraft, the engine's history, power, and wide availability make it an attractive choice. However, those with limited resources or expertise may want to consider engines with a simpler design and more readily available spare parts. Ultimately, the decision to buy a Hirth engine comes down to personal preference and specific application requirements.

If you're considering buying a 171r4e Hirth 634cc engine, I recommend weighing the pros and cons carefully and considering your expertise level and resources. Additionally, I would suggest investing in a comprehensive maintenance plan to ensure the continued reliability and safety of the engine. If the historical value, power, and performance outweigh the challenges, then a Hirth engine could be an excellent investment for your aviation project.

Details:

Complete with wiring harness for starter light. Came out of 1971 arctic cat panther. Rare Hirth 634 motor. New spark plugs.

Only had 2000 miles on sled. In great mechanical order. Also comes with engine mounting and muffler. Has great spark and compression in both cylinders.

part #: 171r4e prices

• $25.00-$50.00

specifications enginesnowmobile:

• for years: 1971
• brand: Hirth
• mpn: 171r4e
• part type: Engine
• country/region of manufacture: Germany

Shipping enginesnowmobile:

• type: Calculated
• handling: 3 days

Seller enginesnowmobile:

• city: Clarkston, Washington
• zipcode: 99403

Returns enginesnowmobile:

• policy: no returns

Ratings:

1. Glad she liked them! Thanks for being a kick butt customer!!! 03-03-17
2. good customer 02-25-17
3. Hope to deal with you again. Thank you. 03-03-17
4. Thank you for an easy, pleasant transaction. Excellent buyer.. 03-03-17
5. Super fast payment, A buyer, Thanks for the great transaction!! Cycles R Us 03-03-17

Payments enginesnowmobile:

• PayPal

General enginesnowmobile:

• condition: Used
• in stock: Yes
• motors > partsaccessories > snowmobile partsaccessories > snowmobile engines components

Offer enginesnowmobile:

• Started: March 7, 2017, 7:28 pm
• min. bid: $250.00
• bids: 0
• : true
• quantity: 1
• best offer: false
• Sold: 0

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