Johnson 6HP Outboard Compression Test | Small Outboard Compression Test | Boats.net

Get a spark plug for your Johnson outboard here: https://www.boats.net/product/johnson...

Buy a compression test kit for your Johnson outboard compression test at Partzilla.com: https://www.partzilla.com/product/aft...

See how to perform a compression test on a Johnson outboard. We’ll show you how to remove the cowl and the spark plug and then use a compression test kit to evaluate one aspect of your motor’s health. The Johnson 6HP outboard compression spec is between 85-90 PSI, so you can use this test to see what is the next step for your engine.

See where we’re working on our outboard in this Johnson outboard diagram:
https://www.boats.net/catalog/johnson...

Read how to do this job step by step: https://www.boats.net/blog/compressio...

VIDEO HIGHLIGHTS:
Removing upper cowling - 0:50
Disconnecting spark plugs - 1:00
Removing spark plug - 1:20
Testing compression - 1:40
Testing second cylinder - 2:20

Find Johnson outboard parts here:
https://www.boats.net/catalog/johnson...

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In the video we’re working with a 1968 Johnson 6HP outboard motor, but you may have similar steps for your Johnson outboard. If you’re not sure whether these steps apply to your motor, leave a comment and we’ll get back to you.

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