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The spark must occur at the right time. Just about all scooters made since around 1980 have an electronic ignition. These systems can rarely be set. In general, the spark occurs just before the piston reaches the top of it's stroke. There is a slight delay between the spark plug fire and the fuel-air mixture ignition. That's why the spark occurs a little early. Most ignition systems have an advance unit build in. As the engine speeds up, the time of the spark retards a little bit. This helps the engine fire the mixture at the proper time.
Starting Fluid
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Most scooters need a minimum of 100 psi in compression in order to run start and properly. Compression should be checked when the scooter engine is warm. However, that's hard to do if your 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 gauge 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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Photo Gallery: 2008 Suzuki B-King
Suzuki's Hayabusa is an unabashed beast, but despite the fully-faired bike's staggering performance it can sometimes visually blend into the sportbike landscape.
Ditching the 'Busa's swollen superbike looks, Suzuki went for...
Cops recover scooters - E-pao.net
Wed, 31 Dec 2008 19:35:00 GMT
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honda motor scooter
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Our Featured honda scooters Writer
Let's Talk honda scooters
The spark must occur at the right time. Just about all scooters made since around 1980 have an electronic ignition. These systems can rarely be set. In general, the spark occurs just before the piston reaches the top of it's stroke. There is a slight delay between the spark plug fire and the fuel-air mixture ignition. That's why the spark occurs a little early. Most ignition systems have an advance unit build in. As the engine speeds up, the time of the spark retards a little bit. This helps the engine fire the mixture at the proper time.
Starting Fluid
Buy used scooters today!
Most scooters need a minimum of 100 psi in compression in order to run start and properly. Compression should be checked when the scooter engine is warm. However, that's hard to do if your 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 gauge 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.
Got Spark?
Buy an electric 2 wheel scooter today!
More honda scooters Information
Photo Gallery: 2008 Suzuki B-King
Suzuki's Hayabusa is an unabashed beast, but despite the fully-faired bike's staggering performance it can sometimes visually blend into the sportbike landscape.
Ditching the 'Busa's swollen superbike looks, Suzuki went for...
Cops recover scooters - E-pao.net
Wed, 31 Dec 2008 19:35:00 GMT
Imphal, December 31 2008: Grilling of two vehicle lifters has led to recovery of three Honda Activa scooter and arrest of four members of a vehicle lifting gang by personnel of ...
honda motor scooter
