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Compression check. If you just acquired the scooter, you should first do a full inspection before you try to get it running. Please see this page on restoration. If this is the case, I'd do a compression check first because it's easy. First check the quantity and condition of the engine oil. Add oil as necessary. I wouldn't change it unless it's terribly dirty. The engine could be bad so you'd waste the oil change. Hook up or purchase a good battery. Leave out the spark plug and crank the scooter for ~5 seconds. This helps to circulate the oil. Let it set for ~15 seconds and do it again. It's not a good idea to continuously crank the starter because it can overheat and wear prematurely. Most scooters need a minimum of 100 psi in compression to run start and properly. Compression should be checked when the engine is warm, but that's kind of hard to do if the scooter is not running. So just hook up a compression gauge and open up the throttle all the way. Crank the scooter until the needle on the compression gague stops moving. This should take no more than 5 seconds. Very roughly, 100-125 psi is good, 125-150 psi is very good, and 150+ psi is great. If you don't have this level of compression then you have bad valves and/or bad piston rings. If you want, you can add a teaspoon or so of oil to the engine through the spark plug hole. Then try the compression test again. If compression is higher, then it's likely you have bad rings. The oil will seal the rings and give you better compression. If compression is the same, then you have bad/misadjusted valves.
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Remove the fuel and vacuum lines that run from the petcock to the carb. Place a suitable container under the fuel line and draw air on the vacuum line to the petcock (if so equipped) and see how well the gas flows. The flow has to be more than a trickle. It should be steady and fairly substantial. If you get this flow, then you're ok.
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Your Latest cheap electric scooters for sale News
Air-Powered Car Coming to U.S. in 2009 to 2010 at Sub-$18,000, Could ... - Popular Mechanics
Fri, 31 Oct 2008 00:52:00 GMT
The CityCAT, already being developed in India (bottom left), will be available for U.S. production in three different four-door styles. But it's the radical dual-energy engine ...
US sales slide hits Harley earnings
Sat, 26 Jan 2008 02:55:58 +0100
Financial Times, UK -The US motorcycle market shrank in 2007 for the first time in 15 years, according to the Motorcycle Industry Council. December sales were especially weak. ...
::
121 Global Best-Sellers, But More Still Needed
Mon, 28 Jan 2008 02:54:58 +0100
Chosun Ilbo, South Korea -Also included are products made by small businesses or mid-sized businesses, including motorcycle helmets (32 percent), glue used to make shoes (50 percent) ...
::
kawasaki scooters
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Featured cheap electric scooters for sale Article
Let's Look At More cheap electric scooters for sale
Compression check. If you just acquired the scooter, you should first do a full inspection before you try to get it running. Please see this page on restoration. If this is the case, I'd do a compression check first because it's easy. First check the quantity and condition of the engine oil. Add oil as necessary. I wouldn't change it unless it's terribly dirty. The engine could be bad so you'd waste the oil change. Hook up or purchase a good battery. Leave out the spark plug and crank the scooter for ~5 seconds. This helps to circulate the oil. Let it set for ~15 seconds and do it again. It's not a good idea to continuously crank the starter because it can overheat and wear prematurely. Most scooters need a minimum of 100 psi in compression to run start and properly. Compression should be checked when the engine is warm, but that's kind of hard to do if the scooter is not running. So just hook up a compression gauge and open up the throttle all the way. Crank the scooter until the needle on the compression gague stops moving. This should take no more than 5 seconds. Very roughly, 100-125 psi is good, 125-150 psi is very good, and 150+ psi is great. If you don't have this level of compression then you have bad valves and/or bad piston rings. If you want, you can add a teaspoon or so of oil to the engine through the spark plug hole. Then try the compression test again. If compression is higher, then it's likely you have bad rings. The oil will seal the rings and give you better compression. If compression is the same, then you have bad/misadjusted valves.
Buy motor scooters today!
Remove the fuel and vacuum lines that run from the petcock to the carb. Place a suitable container under the fuel line and draw air on the vacuum line to the petcock (if so equipped) and see how well the gas flows. The flow has to be more than a trickle. It should be steady and fairly substantial. If you get this flow, then you're ok.
Buy cushman scooters today!
Your Latest cheap electric scooters for sale News
Air-Powered Car Coming to U.S. in 2009 to 2010 at Sub-$18,000, Could ... - Popular Mechanics
Fri, 31 Oct 2008 00:52:00 GMT
The CityCAT, already being developed in India (bottom left), will be available for U.S. production in three different four-door styles. But it's the radical dual-energy engine ...
US sales slide hits Harley earnings
Sat, 26 Jan 2008 02:55:58 +0100
Financial Times, UK -The US motorcycle market shrank in 2007 for the first time in 15 years, according to the Motorcycle Industry Council. December sales were especially weak. ...
::
121 Global Best-Sellers, But More Still Needed
Mon, 28 Jan 2008 02:54:58 +0100
Chosun Ilbo, South Korea -Also included are products made by small businesses or mid-sized businesses, including motorcycle helmets (32 percent), glue used to make shoes (50 percent) ...
::
kawasaki scooters
