Take her out for a good high gear blast, shift into neutral, and shut her off and let her coast into a Mall Parking Lot, etc. Pull a Spark Plug. The color of the center Porcelin should be a tan color if the fuel mixture is correct. If the mixture is lean, then the color will be white.
Posted on Sep 15, 1999, 6:54 PM from IP address 38.162.110.2