85cc two stroke engine

Types of 85cc two-stroke engines

The 85cc two-stroke engine, also known as the 85cc 2-stroke engine, is used in various applications, including dirt bikes, motorcycles, and small engines. The 85cc two-stroke engines differ in types depending on their usage.

• 85cc Two-Stroke Dirt Bike Engines:

  These engines are often found in smaller, lightweight, and portable dirt bikes. The dirt bike engine is designed for high-revving performance and power. Some features include high torque, simple construction, and lightweight.

• 85cc Two-Stroke Motorcycle Engines:

  These engines are often found in smaller, lightweight, and portable motorcycles. The motorcycle engine is designed for high-revving performance and power. Some features include high torque, simple construction, and lightweight.

• 85cc Two-Stroke Scooter Engines:

  These engines are often found in smaller, lightweight, and portable scooters. The scooter engine is designed for high-revving performance and power. Some features include high torque, simple construction, and lightweight.

• 85cc Two-Stroke Outboard Engines:

  These engines are often found in smaller, lightweight, and portable outboard motors. The outboard motor engines are designed for reliable, efficient power. Some features include high torque, simple construction, and lightweight.

• 85cc Two-Stroke Snowmobile Engines:

  These engines are often found in smaller, lightweight, and portable snowmobiles. The snowmobile engines are designed for high-revving performance and power, even in cold weather. Some features include high torque, reliable starting, and high rev power.

• 85cc Two-Stroke Chain Saw Engines:

  These engines are often found in smaller, lightweight, and portable chainsaws. The chainsaw engines are designed for high-power output and efficiency. Some features include high power-to-weight ratio and high torque.

• 85cc Two-Stroke Small Engines:

  These engines are often found in smaller, lightweight, and portable small equipment. The small equipment engines are designed for high power and efficiency. Some features include high power-to-weight ratio and high torque.

Specification and maintenance of 85cc two-stroke engines

When looking for 85cc two-stroke engine details, the specifications show what to expect from an engine. The specifications provide buyers with essential information that helps to make decisions. The maintenance part provides details on how to take care of the engine for optimal performance.

• Cylinder Capacity:

  The name 85cc two-stroke engines derive from the cylinder's capacity, which is 85 cubic centimeters. The capacity determines how much air and fuel the engine can draw in and how much power it can produce.

• Configuration:

  V-twin and inline twin configurations are the 85cc two-stroke engine configurations. The configuration affects the engine's smoothness, compactness, and power delivery.

• Cooling System:

  Some 85cc two-stroke engines have air cooling, while others have liquid cooling. The cooling system maintains the engine at optimal temperature during operation. It prevents overheating and improves engine performance and durability.

• Power Output:

  The two-stroke engines produce power ranging from 10 to 20 horsepower. The power output affects the engine's performance in terms of speed and acceleration.

• Torque:

  Torque is the rotational force the engine produces. The 85cc two-stroke engines generate between 8 to 15 Nm of torque. Torque influences how quickly the engine can pull loads or accelerate.

• Fuel Type:

  The fuel type for most 85cc two-stroke engines is unleaded petrol. The petrol must meet the octane rating specified in the engine's manual. The octane rating prevents knocking and ensures efficient combustion.

• Ignition System:

  Electronic ignition and magneto ignition are the 85cc two-stroke engines' ignition systems. The system ensures reliable spark generation for combustion of the air-fuel mixture.

• Starting System:

  Some 85cc two-stroke engines use a recoil starting system, while others employ an electric starting system. The starting system allows for convenient starting of the engine.

• Exhaust System:

  The exhaust system of the 85cc two-stroke engines features tuned pipes or expansion chambers. The exhaust system maximizes power output and reduces emissions by efficiently removing exhaust gases from the engine.

• Lubrication System:

  The 85cc two-stroke engines have pre-mixed fuel lubrication. The fuel contains a specified ratio of oil mixed with petrol. The mixed fuel ensures lubrication of the engine's moving parts, reducing friction and wear.

• Weight:

  The 85cc two-stroke engines are lightweight and portable. The average weight range is between 5 to 10 kilograms. The weight affects the engine's portability and ease of handling.

Regular maintenance is essential to keep the 85cc two-stroke engines in good condition. Here are some maintenance tips.

• Follow the maintenance schedule provided in the manual.
• Check and change the engine oil regularly.
• Inspect and clean the air filter regularly.
• Check the spark plug's condition and replace it when worn out.
• Check the fuel lines for leaks and replace them if damaged.
• Inspect the exhaust system for damage and repair it.
• Check the cooling system and ensure it works properly.
• Check the engine's overall condition and repair it.

With proper care and maintenance, the 85cc two-stroke engines can last longer and improve performance.

How to choose 85cc two-stroke engines

Choosing a proper 85cc two-stroke engine can be a daunting task, but by considering the following factors, it will be easier.

• Purpose

  Consider the main reason for buying the engine. Will it be used for racing, or should it be used for general purposes? If it will be used for racing, go for a more powerful engine.

• Brand

  There are several brands for the 85cc two-stroke engines. Make sure to choose a reputable brand. A reputable brand will offer quality engines with great durability.

• Budget

  Decide on the budget before buying the engine. The engines come with different prices depending on the brand and model. Remember to buy an engine that meets the set budget.

• Weight

  Consider the weight of the engine before buying it. If a lightweight engine is desired, go for a lightweight engine. Remember that the engine's weight will affect the vehicle's performance.

• Maintenance

  Choose an engine that is easy to maintain. Some engines require special tools for maintenance, while others require normal tools. Select an engine that can be maintained with the available tools.

• Availability of spare parts

  Before buying the engine, ensure that spare parts are readily available. This will help to easily replace any worn-out parts of the engine.

• Warranty

  Always choose an 85cc two-stroke engine with a good warranty period. In case of any manufacturing defects, the warranty will cover the repairs or replacement of the engine.

How to DIY and Replace 85cc Two-Stroke Engines

Replacing an 85cc two-stroke engine is a task that requires mechanical knowledge and experience. However, it is possible to replace the engine as a DIY project. Here is a guide on how to replace an 85cc two-stroke engine as a DIY project.

• Gather the necessary tools: Before starting the project, ensure that all the necessary tools are available. These include wrenches, screwdrivers, pliers, sockets, and a torque wrench. Also, ensure that the new 85cc two-stroke engine and engine mounting hardware are available.
• Disconnect the battery: For safety purposes, disconnect the battery before starting the engine replacement process.
• Drain the fluids: Drain all the fluids from the old engine, including the engine oil, coolant, and fuel. This step is crucial to prevent spills and leaks during the engine replacement process.
• Remove the old engine: Use the appropriate tools to loosen and remove the bolts and nuts holding the old engine in place. After that, disconnect all the engine's connections, including the exhaust system, cooling system, electrical system, and fuel system. Lift the old engine from its place with a hoist or an engine lift.
• Prepare the new engine: Before installing the new engine, ensure that all its systems are connected and ready to go. This includes the cooling system, electrical system, and fuel system. Also, set the engine's oil according to the manufacturer's instructions.
• Install the new engine: Position the new engine in place and secure it with the mounting hardware. After that, reconnect all the engine's connections, including the exhaust system, cooling system, electrical system, and fuel system.
• Reconnect the battery: After replacing the engine, reconnect the battery and ensure that all the connections are secure.
• Start the engine: Once the engine is replaced, start it to ensure it runs smoothly. Monitor the engine's performance and make any necessary adjustments.

Q&A

Q1. How do you maintain an 85cc 2-stroke engine?

A1. Proper maintenance of the 85cc 2-stroke engine is crucial for its long-term performance and durability. Users should always follow the manufacturer's maintenance schedule and service recommendations. Regular oil changes are essential, and they should use the recommended oil grade. Additionally, air filters should be cleaned or replaced regularly to prevent dust and debris from entering the engine. Spark plugs should be inspected periodically to ensure proper ignition. Users should also check fuel lines, hoses, and other components for leaks or wear and replace them as necessary.

Q2. How long does an 85cc 2-stroke engine last?

A2. The lifespan of the 85cc 2-stroke engine can vary depending on several factors, including usage, maintenance, and load. Generally, with proper maintenance and care, the engine can last anywhere from 3,000 to 5,000 hours of operation. However, heavy load and high-speed operations can shorten the engine's lifespan.

Q3. What is the difference between 2-stroke and 4-stroke engines?

A3. The main difference between the 85cc 2-stroke and 4-stroke engines is the number of strokes in the combustion cycle. The 85cc 2-stroke engines complete a power cycle in two strokes of the piston, while 4-stroke engines require four strokes. As a result, 2-stroke engines are simpler, lighter, and generate more power for their size, but they are less fuel-efficient and produce more emissions compared to 4-stroke engines.

Q4. Can users convert an 85cc 2-stroke engine to run on electric power?

A4. While it is technically possible to convert an 85cc 2-stroke engine to run on electric power, it is often impractical and costly. There are many other options available for users who prefer electric power. Electric motors offer higher efficiency, lower maintenance, and zero emissions compared to converted engines.

Q5: Can an 85cc 2-stroke engine run on biodiesel?

A5. Biodiesel is not recommended for use in the 85cc 2-stroke engines. These engines are designed specifically to run on gasoline mixed with 2-cycle oil. Using biodiesel or other alternative fuels can damage the engine and void the manufacturer's warranty.