[techie610]

Probably not..
Take the valve cover off. You should see the rocker arms, cam shaft, and a bit of the chain. You'll need a set of feeler gauges. loosen the nuts at the end of the rocker arms. The square ended nuts are the valve clearances.
Unscrew them a turn, set or feeler under it, and tighten it down to where the square nut just grabs the gauge. Hold it still as you tight the lock nut.

For spark check, pull off the plug boot, stick a screwdriver in the boot and put it close to the frame. Hitting the electric start, you should see the spark jump. Make sure your holding the driver handle, and not the frame either.