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Carter Thompson
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The Ultimate Guide to Honda Astrea Prima Maintenance and Repair


Service Manual for Honda Astrea Prima




If you own a Honda Astrea Prima, you know how reliable and efficient this motorcycle is. It's a classic model that was popular in the 90s, especially in Southeast Asia. It has a powerful engine, a simple design, and a low maintenance cost. But even the best motorcycles need some care and attention from time to time. That's why you need a service manual.




Service Manual For Honda Astrea Prima



A service manual is a guide that tells you how to perform various maintenance tasks on your motorcycle. It covers everything from basic checks to complex repairs. It also provides you with important information about your motorcycle's specifications, features, and functions. By following the service manual, you can keep your Honda Astrea Prima in optimal condition and extend its lifespan.


In this article, we will give you an overview of the service manual for Honda Astrea Prima. We will explain how to use it, what it contains, and how it can help you. We will also provide you with some tips on how to take care of your motorcycle. Whether you are a beginner or an expert, this article will help you get the most out of your Honda Astrea Prima.


How to use the service manual




The service manual for Honda Astrea Prima is divided into several sections, each covering a different aspect of your motorcycle. Each section has a table of contents that lists the topics covered in that section. You can use the table of contents to find the topic you are looking for quickly and easily.


The service manual also uses symbols and abbreviations to indicate important information. For example, a star (*) means that the item requires special attention or tools, a circle (O) means that the item should be checked or adjusted periodically, and an arrow (->) means that the item is part of a larger procedure. You should familiarize yourself with these symbols and abbreviations before using the service manual.


Another thing you should pay attention to is the safety precautions. The service manual contains warnings, cautions, and notes that tell you how to avoid injury or damage to your motorcycle. You should read these carefully and follow them strictly. For example, you should always wear protective clothing and gloves when working on your motorcycle, disconnect the battery before performing any electrical work, and use only genuine Honda parts and fluids.


General information




The first section of the service manual provides you with general information about your Honda Astrea Prima. It includes specifications, serial numbers, identification numbers, and other data that can help you identify your motorcycle and its components.


The specifications table lists the main features and dimensions of your motorcycle, such as engine type, displacement, bore and stroke, compression ratio, fuel system, transmission, brakes, tires, and so on. You can use this table to check if your motorcycle meets the standards set by Honda.


The serial numbers and identification numbers are unique codes that identify your motorcycle and its parts. You can find them stamped on various locations on your motorcycle, such as the frame, the engine, the carburetor, and the wheels. You should record these numbers and keep them in a safe place. They can help you order replacement parts, register your motorcycle, or report it if it is stolen.


Maintenance




The second section of the service manual covers the maintenance of your Honda Astrea Prima. It includes a periodic maintenance chart and maintenance procedures for various parts of your motorcycle.


The periodic maintenance chart tells you how often you should perform certain maintenance tasks on your motorcycle. It is based on the mileage and time intervals recommended by Honda. You should follow this chart to keep your motorcycle in good working order and prevent problems from occurring. The chart also tells you what tools and materials you need for each task.


The maintenance procedures explain how to perform each maintenance task in detail. They include step-by-step instructions, illustrations, and tips. You should follow these procedures carefully and make sure you have the right tools and materials before starting. Some of the maintenance tasks you can perform yourself are:



  • Checking and adjusting the valve clearance



  • Changing the engine oil and filter



  • Cleaning and lubricating the chain



  • Checking and adjusting the brake fluid level



  • Replacing the spark plug



  • Cleaning the air filter



  • Checking and adjusting the tire pressure



Some of the maintenance tasks require special tools or skills, and should be done by a professional mechanic. These include:



  • Overhauling the engine



  • Replacing the piston rings



  • Adjusting the carburetor



  • Bleeding the brake system



  • Replacing the clutch plates



  • Repairing the electrical system



Fuel system




The third section of the service manual deals with the fuel system of your Honda Astrea Prima. It includes information on how to adjust the carburetor, remove and install the fuel tank, and replace the fuel filter.


The carburetor is a device that mixes air and fuel in the right proportion for combustion. It has several components that can be adjusted to change the mixture ratio, such as the idle speed screw, the pilot screw, the throttle valve, and the jet needle. You can adjust these components to improve your motorcycle's performance, fuel economy, and emissions. However, you should be careful not to over-adjust them or damage them.


The fuel tank is a container that holds the fuel for your motorcycle. It has a cap that prevents dirt and water from entering, a petcock that controls the flow of fuel to the carburetor, and a reserve switch that allows you to use a small amount of fuel when the main supply is low. You can remove and install the fuel tank by following these steps:



  • Turn off the ignition switch and disconnect the battery.



  • Turn off the petcock and disconnect the fuel hose from it.



  • Remove the seat by removing the bolts under it.



  • Remove the tank mounting bolts and lift up the tank.



  • To install the tank, reverse these steps.



The fuel filter is a device that filters out dirt and debris from the fuel before it reaches the carburetor. It is located inside the fuel hose near the petcock. You should replace it every 10,000 km or whenever it is clogged or damaged. You can replace it by following these steps:



  • Turn off the ignition switch and disconnect the battery.



  • Turn off the petcock and disconnect both ends of the fuel hose from it.



  • Cut off the old fuel filter from the hose with a sharp knife.



  • Insert a new fuel filter into one end of the hose and secure it with a hose clamp.



  • Connect that end of the hose to one side of the petcock.



  • Insert another new fuel filter into the other end of the hose and secure it with a hose clamp.



  • Connect that end of the hose to the other side of the petcock.



Engine




The fourth section of the service manual covers the engine of your Honda Astrea Prima. It includes information on how to remove and install the engine, disassemble and assemble the engine, inspect and repair the cylinder head and valves, replace the piston and cylinder, and so on.


The engine of your Honda Astrea Prima is a four-stroke, single-cylinder, air-cooled engine with a displacement of 97 cc. It has an overhead camshaft (OHC) that operates the two valves per cylinder. It can produce up to 8.9 PS of power at 8000 rpm and 9.3 Nm of torque at 6000 rpm. It uses a four-speed manual transmission with a rotary gearshift system.


To remove and install the engine, you need to disconnect the electrical wires, fuel hose, throttle cable, clutch cable, and exhaust pipe from the engine. Then you need to remove the engine mounting bolts and lift the engine out of the frame. To install the engine, you need to reverse these steps.


To disassemble and assemble the engine, you need to follow the instructions in the service manual carefully. You need to use special tools and techniques to avoid damaging the engine parts. You also need to pay attention to the torque specifications and assembly sequence. Some of the engine parts you can disassemble and assemble are:



  • Cylinder head cover



  • Cylinder head



  • Camshaft



  • Valves



  • Cam chain



  • Tensioner



  • Cylinder



  • Piston



  • Rings



  • Pin



  • Clips



To inspect and repair the cylinder head and valves, you need to check the condition of the cylinder head gasket, valve seats, valve guides, valve stems, valve springs, valve retainers, and valve cotters. You need to measure the valve clearance, valve stem diameter, valve guide inner diameter, valve seat width, valve spring free length, and valve spring tension. You need to replace any worn or damaged parts. You also need to grind or lap the valve seats to ensure a proper seal.


To replace the piston and cylinder, you need to remove the piston pin clips, piston pin, piston rings, and piston from the connecting rod. Then you need to remove the cylinder from the crankcase. You need to measure the piston diameter, piston ring end gap, piston ring side clearance, cylinder bore diameter, and cylinder taper and out-of-roundness. You need to replace any worn or damaged parts. You also need to hone the cylinder bore to remove any glaze or scratches.


Clutch and transmission




The fifth section of the service manual covers the clutch and transmission of your Honda Astrea Prima. It includes information on how to adjust the clutch, remove and install the clutch, and disassemble and assemble the transmission.


The clutch is a device that engages and disengages the power from the engine to the transmission. It consists of a clutch lever, a clutch cable, a clutch lifter, a clutch outer, a clutch center, a clutch spring, a clutch plate, and a pressure plate. You can adjust the clutch by turning the adjuster nut on the clutch lever or on the clutch cable end.


To remove and install the clutch, you need to drain the engine oil, remove the right crankcase cover, remove the clutch spring bolts, the pressure plate, the clutch plates, and the clutch lifter. To install the clutch, you need to reverse these steps.


The transmission is a device that changes the gear ratio between the engine and the rear wheel. It consists of a mainshaft, a countershaft, a shift drum, a shift fork, and various gears and dogs. You can disassemble and assemble the transmission by following these steps:



  • Remove the engine from the frame.



  • Split the crankcase by removing the bolts and prying it apart.



  • Remove the mainshaft and countershaft from the crankcase.



  • Remove the circlips and washers from the shafts.



  • Slide off the gears and dogs from the shafts.



  • To assemble the transmission, reverse these steps.



Chassis




The sixth section of the service manual covers the chassis of your Honda Astrea Prima. It includes information on how to remove and install the front and rear wheels, inspect and adjust the brakes, and so on.


The chassis of your Honda Astrea Prima is a steel frame that supports the engine and other components. It has a telescopic front fork that absorbs shocks from the road, a swingarm rear fork that connects the rear wheel to the frame, a chain drive that transfers power from the engine to the rear wheel, and a front carrier that allows you to carry luggage or cargo.


To remove and install the front wheel, you need to loosen the axle nut, remove the speedometer cable holder, remove the brake panel bolts, remove the axle and wheel collars, and lift off the wheel. To install the front wheel, you need to reverse these steps.


To remove and install the rear wheel, you need to loosen the axle nut, remove the chain adjuster bolts, the axle and wheel collars, and lift off the wheel. To install the rear wheel, you need to reverse these steps.


To inspect and adjust the brakes, you need to check the condition and thickness of the brake shoes, the brake drum, the brake cam, and the brake lever. You need to measure the brake shoe lining wear, the brake drum inner diameter, and the brake lever free play. You need to replace any worn or damaged parts. You also need to lubricate the brake cam and lever pivot points.


Electrical system




The seventh section of the service manual covers the electrical system of your Honda Astrea Prima. It includes information on how to inspect and charge the battery, troubleshoot the ignition system, inspect and replace the lighting system, and so on.


The electrical system of your Honda Astrea Prima is a 12-volt system that consists of a battery, an ignition switch, an ignition coil, a spark plug, a generator, a regulator/rectifier, a fuse, a headlight, a taillight, a turn signal light, a speedometer light, and a horn. The electrical system provides power for the ignition, lighting, and horn functions.


To inspect and charge the battery, you need to remove the seat and the battery cover. Then you need to check the battery terminals for corrosion and tightness, the electrolyte level and specific gravity, and the battery voltage. You need to clean and tighten the battery terminals if necessary, add distilled water to the electrolyte if low, and charge the battery with a specified charger if weak.


To troubleshoot the ignition system, you need to check the ignition switch for continuity, the ignition coil for resistance and spark output, the spark plug for condition and gap, and the generator for output voltage. You need to replace any faulty parts.


To inspect and replace the lighting system, you need to check the headlight for brightness and aim, the taillight for illumination and brake light function, the turn signal light for flashing and cancellation function, and the speedometer light for illumination. You need to replace any burned-out bulbs or damaged parts.


Conclusion




In this article, we have given you an overview of the service manual for Honda Astrea Prima. We have explained how to use it, what it contains, and how it can help you. We hope that this article has been useful and informative for you.


As a final note, we would like to give you some tips on how to keep your Honda Astrea Prima in good condition and enjoy its performance for a long time. Here are some of them:



  • Follow the periodic maintenance chart and perform the maintenance tasks regularly.



  • Use only genuine Honda parts and fluids for your motorcycle.



  • Check the tire pressure and condition before every ride.



  • Keep the motorcycle clean and dry, and avoid exposing it to direct sunlight or rain for a long time.



  • Store the motorcycle in a cool and ventilated place, and disconnect the battery if you do not use it for a long time.



  • Ride safely and responsibly, and obey the traffic rules and regulations.



By following these tips, you can ensure that your Honda Astrea Prima will serve you well and bring you joy and satisfaction.


FAQs




Here are some frequently asked questions and answers about the Honda Astrea Prima:



  • Q: How much is the Honda Astrea Prima?



  • A: The Honda Astrea Prima was sold for around Rp 3.5 million when it was first launched in 1988. Nowadays, the price may vary depending on the condition and availability of the motorcycle. You can find some online listings of used Honda Astrea Prima for sale on various websites.



  • Q: How fast is the Honda Astrea Prima?



  • A: The Honda Astrea Prima can reach a top speed of about 110 km/h, depending on the road condition, rider weight, and wind resistance. However, you should not exceed the speed limit or drive recklessly on public roads.



  • Q: How to modify the Honda Astrea Prima?



  • A: There are many ways to modify the Honda Astrea Prima to suit your personal taste and preference. You can change the color, decals, accessories, lights, exhaust, wheels, tires, suspension, brakes, engine, transmission, and so on. However, you should be careful not to damage or compromise the original function and performance of the motorcycle. You should also consult with a professional mechanic before making any modifications.



  • Q: How to troubleshoot the Honda Astrea Prima?



  • A: If you encounter any problems or issues with your Honda Astrea Prima, you should refer to the service manual for guidance. The service manual contains troubleshooting charts that can help you diagnose and fix common problems. You can also contact your authorized Honda dealer or service center for assistance.



  • Q: How to get the service manual for Honda Astrea Prima?



  • A: You can get the service manual for Honda Astrea Prima from your authorized Honda dealer or service center. You can also download it online from various websites that offer free PDF downloads of motorcycle manuals.



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