Friday, October 31, 2008
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250cc scooter Article Of The Month
Let's Talk 250cc scooter
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.
Buy electric scooters today!
All The Latest News From The 250cc scooter World
Photo Gallery: 2008 Aprilia Shiver 750, the $8,999 Naked Bike That's Out to Get Ducati
Sometimes it's all about the details. Those fussy Italians love to design precious little details on their bikes, and the 2008 Aprilia Shiver 750 is no exception; witness the angular...
Dieter Stappert, 1942-2008 - autosport.com
Sat, 18 Oct 2008 03:48:01 GMT
electric scooters
scooter
50cc motor scooters
¶ 11:48 AM 
250cc scooter Article Of The Month
Let's Talk 250cc scooter
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.
Buy electric scooters today!
All The Latest News From The 250cc scooter World
Photo Gallery: 2008 Aprilia Shiver 750, the $8,999 Naked Bike That's Out to Get Ducati
Sometimes it's all about the details. Those fussy Italians love to design precious little details on their bikes, and the 2008 Aprilia Shiver 750 is no exception; witness the angular...
Dieter Stappert, 1942-2008 - autosport.com
Sat, 18 Oct 2008 03:48:01 GMT
 autosport.com | Dieter Stappert, 1942-2008 autosport.com, UK - His team came a very close second in the 250cc championship twice with Ralf Waldmann, only losing out to Max Biaggi who was at the height of his career. ... |
electric scooters
scooter
50cc motor scooters
Labels: 250cc gas scooter | 250cc motor scooter engine
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