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Got spark? First check for spark. There are a few ways to do this. The easiest way is to remove the spark plug and put it back in the spark plug cap. Then ground it to the engine - you should be able to lay it against a non-painted portion of the engine. Make sure there is good metal-to-metal contact. In a semi darkened area, attempt to start the scooter. You should see a definite spark at the tip of the spark plug. It's hard to see in direct light. If the color of the spark is blue, that means it's a strong spark. A white color is less strong, and a yellow color is weak. Most scooter starting systems are a bit weak (compared to cars). Even a yellow spark should start your scooter just fine. Next, the spark must occur at the right time. Just about all scooters made since around 1980 have electonic ignition. These systems rarely can be set. This is good news. After working on maybe 50 scooters, I've never seen one go out of time. Scooters with points are another matter. You'll have to follow the timing procedure in the manual to get the timing correct. 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, so that as the engine speeds up the time of the spark retards a little bit and helps the engine fire the mixture at the proper time.
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gas scooters News From Around The World
Take a lesson, Seattle, from Europe - Seattle Post Intelligencer
Sun, 21 Dec 2008 23:58:00 GMT
If you travel to any developed city in Europe, you'll see countless scooters lined up on every sidewalk, crammed into every entryway, and generally lodged into any crack or crevice ...
Forget The Motorcycle, Look At The Music System
Mon, 22 Dec 2008 08:21:44 +0200
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The motorcycle is only a vehicle to transport his music from point A to point B.
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XMAS 2008: Last One! Life-Is-Simple Hat
Fri, 19 Dec 2008 15:17:05 +0200
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This hat says it all.
"Life is Simple. Eat. Sleep. Bike".
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125 cc motor scooters
posted by Vespa Scooter @ 8:42 AM
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