Posted by dave2 on September 28, 2009 at 05:36:07 from (139.139.35.70):
Hey folks,
On my quad (250cc yamaha 4 stroke motor). It seams like the spark is a little weak. Starts up and runs fine in warm weather when I don't need the choke, but as soon as you choke it, it has to start the first crank or it won't start without a bunch of sweat that ends up usually with a shot of ether. As soon as it starts and warms up, no problems until it sets overnight or several hours. When I pull the plug and crank it, it has a blue spark, but not the tuff guy look that you see on a car or lawnmower.
The plug is gapped IAW the book (forget what it is at the moment). Could the coil be bad, or bad connections somewhere?
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