Flex Hone Valve
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Flex Hone Valve
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 .250" (6.44mm) Flex Hone-Kart Racing Valve Guide Hone for Engine Builders  US $11.00
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 5/16" 8mm Flexhone flex-hone valve guides 240 grit AO US $13.49
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Today's economy limits most consumers' ability to replace large pieces of equipment, vehicles and furniture. To save money, consumers have to get smart, and sometimes creative. By identifying what problems are occurring that may be causing these things to not work properly, it is then an easy step to find less expensive solutions to make it work. Often times a simple repair or part replacement can make all the difference. Specifically for vehicles with engine trouble, the problem may seem beyond repair but if analyzed, a simple replacement kit or a repowered engine may be the best, low cost option available.
Small engine vehicles - lawn mowers, golf carts, trucksters, motorcycles, snow mobiles - are secondary pieces of equipment that are expensive to replace. When they seem to have engine trouble, replacing the entire vehicle is an expensive proposition. A replacement kit is typically the most cost effective alternative. But before going that route, it is important to identify exactly what is wrong with your current engine.
Small engine problems typically fall into two basic categories, failure to start and a problem running after the engine has started.
Failure to Start
There are a number of reasons a small engine might not start properly:
o Fuel line problems: Check to see that the fuel tank is full, that the fuel is fresh, and that the shut-off valve is closed. The fuel line or inlet screen could also be blocked or the fuel tank cap could be clogged.
o Carburetor problems: The carburetor could be blocked or the engine could be flooded. There might be problems with the spark plug. Check the choke on the fuel bowl as well - it could be set too high.
o Ignition problems: The spark plug contacts could be dirty, the plug gap could be set incorrectly, the lead could be faulty, or the kill switch could be shorted. These all require basic replacement or repair and are a snap with a proper kit.
o Compression problems: Check the valves, pistons, cylinder, or connecting rods if you suspect a compression problem. These could be dirty, stripped, or otherwise damaged, and would prevent the engine from starting properly or at all.
Problems Running
Problems running properly can pose more danger to your vehicle than an engine that simply wont' start. If left unfixed, constant overheating or smoke emission can eventually ruin an engine and require a full-on replacement.
o Overheating engines: Lack of oil is one of the most common reasons for overheating. So is a dirty engine. Beyond that, there may be shrouds or cooling fans missing within the engine or the gasket could be leaking. The fuel mixture might be too lean, another carburetor problem. Cleaning or replacing the fuel tank vent and fuel tank screen can help reduce the chance of your engine overheating as well. These are all fixes that you can do yourself or with some simple repair kit that will cost far less than a new engine.
o Smoking: If the engine is emitting blue or white smoke then it is likely burning oil. If it is emitting black smoke it is a problem with the carburetor most likely. If it is neither the carburetor nor an oil leak, then it might be a clogged or dirty air filter.
o Knocking engine: If your engine experiences knocking it may indicate an excess of carbon in the combustion chamber, which would require you to clean carbon from the piston and head. The flywheel might also be loose. A faulty spark plug lead could cause engine knocking. This can be easily repaired or replaced.
o Spark Plug Misses: This could be caused by any number of things, including a faulty spark plug, faulty breaker points, an incorrectly set carburetor, or a weak valve spring.
It may appear that your small engine problems are large and will require a brand new small engine. Very rarely is this the case thought. To save money, take note of what exact problems you are having with your engine, test the areas we have outlined above and talk to a small engine specialist about steps to take to get the engine in working order again. The steps may be as simple as basic cleaning or part replacement to a slightly more complex but much lest expensive small engine repower kit. In today's economy, none of us can afford to make unwarranted purchases like new engines if it is not necessary.
~Ben Nystrom, 2009
Ben Nystrom lives in Portland, OR and writes for Repower Specialists, LTD.
Read more about complete small engine repair kits available online by visiting the Repower Specialists site specializing in truckster, mower and golf cart engines and parts.
How the Flex Hone Works in the Oil and Gas Industry
In the oil and gas industry, rebuilding or servicing large pumps, valves and cylinder bores is essential to ensuring outstanding performance and long service life. The challenge to maintaining large diesel engines or pumps is that once they're already installed in the field, it's difficult to find the proper tools to clean and maintain them. This is when the ball style flex hone is useful.
Flex hones can be used for cleaning, de-burring or surface finishing of pumps and valves in oil and gas operations. This tool uses a low-temperature abrading process that exposes the undisturbed base metal structure to produce a long wearing surface free of fragmented, amorphous or smeared metal from previous operations. In addition, the abrasive globules of the Flex-Hone each have independent suspension that is self-centering and self-aligning to the bore, as well as self-compensating for wear. Because of its ability to clean surfaces from remnants left behind by previous operations, flex hones are well suited for the maintenance of pumps and valves already installed.
<h2>Flex Hones for Pumps and Valves</h2>
Often times, after installation in the field, pumps and valves require maintenance to clean the inside diameter (ID) of foreign material ranging from rust and corrosion to accumulated chemicals and biological matter. Proper cleaning and surface finishing of the ID's of bores is imperative. If this is not done correctly, you can expect to experience degraded performance as a result.
The ball style flex hone is just the tool for this application. With its unique construction of abrasive globules laminated to the ends of flexible nylon filament, this tool can be used anywhere for sophisticated surfacing, de-burring, edge-blending, cleaning and rebuilding. The design of the flex hone is great for chemical, refining and natural gas applications because they often require honing to remove corrosion or the formation of clay, wax or other solids.
Deglazing cylinder liner walls of big bore engines is also a common application of flex hones in the oil and gas industry. In order to ensure long service life, it's important that cylinder liner walls are deglazed, refinished and crosshatched when engines are overhauled. With the flex hone, you can de-burr, clean out passages or provide IDs with a smooth plateau finish free of cut, torn or folded metal. The internal surface needs to be smooth and unobstructed in order to be able to control the flow of massive amounts of fluids and gases.
When you're in need of an affordable and durable tool for surface finishing of your valves and pumps, you can do no better than the flex hone. Flex hones provide the surface finish you need to ensure long service life and superior performance.
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