^^^^^^^^ That's not too far off .........summer college job in small engine repair.
You see 20 engines a day that need quick evaluation while the customer is waiting for an estimate in 10 minutes or less with 95% accuracy
Thumb ....blow off...OK........NO...sell engine work, stuck valve, or worse etc
Spark.......1/4" blue OK........NO...sell electrical work, points, coil, wiring, safety interlock switches, black box etc
Last FUEL....smells bad, ....yes...sell carb work with flush, wet vs dry plug sell carb clean and service.
Last edited by showkey; 08/18/2016 2:50 AM.