1975 & 1977 Johnson / Evinrude 4 HP Inspection

Tools used: Gearcase Pressure Tester: http://amzn.to/2nsnAdB Compression Tester: http://amzn.to/2jOfjfc Spark Tester: http://amzn.to/2ihmbkH Spark Gap Tester: http://amzn.to/2jOGypN If you're interested, the other tester you should also use it: Gearcase Vacuum Tester: http://amzn.to/2ApWitm ^Amazon Associate Links (helps support the channel)