Diagnosing any 2 stroke or 4 stroke engine can be complicated, but by following this methodical approach you'll streamline your process and increase the likelihood of success! A methodical diagnosis will save you time and frustration and your customers unnecessarily expensive repair bills!

00:00 Diagnose a 2 stroke engine
00:42 Does the engine turn?
01:03 Piston skirt Inspection
01:16 Exhaust port blockage
01:38 Spark screen blockage
02:03 Fuel tank inspection
02:42 Intake inspection
03:13 Choke function and sealing
03:39 Linkage inspection
03:55 Spark & ignition
04:17 Will it run?
05:17 Pressure & vacuum Test
05:46 Compression test
06:08 Coil resistance test
07:06 Diagnosing a 4 stroke engine
07:13 Crank case oil
07:54 Condition of fuel and fuel tank
08:14 Spark screen blockage
09:09 Check for spark & ignition
09:52 Valve clearance
10:36 Leakdown test





#Enginerepair #Honda #Stihl #Husqvarna #service