This will allow more air into the system, and you should see the readings come up to that 180 or so range. BETOOLL Pro Fuel Injection Compression Tester Kit. These testers are really good and surprisingly durable. Which is a great thing to me, because it shows a person’s willingness to learn! Now you can take your compression tester and thread the hose into any cylinder that you want to start with. So for any mechanic or aspiring technician out there, it is a good habit to get into. NAPA SERCLT2 at … An engine is an engine. You can also run a hot mix of engine cleaner and try and burn off any carbon that is on the valves and get the compression back that way.eval(ez_write_tag([[250,250],'bornagainboating_com-leader-3','ezslot_10',116,'0','0'])); Outside of simple fixes like that. How to choose between four- and six-cylinder outboard motors for your boat. Results vary depending on whether the outboard is a Four-Stroke or a Two-Stroke. What Outboard Compression Test Results Mean. Dimensions: 12 x 15 x 5 inches. The Different Sections of an Outboard Engine! The first thing that most people think of when they hear the words, “compression test,” is expensive. As well as what the results mean for you! OTC 5605 at $80.68. Find the factory specs for the motor so you can compare to your readings. eval(ez_write_tag([[468,60],'bornagainboating_com-box-3','ezslot_2',105,'0','0'])); Here is everything that you need to know about outboard compression tests. This, by the way, is not the right way to buy a used boat (or new for that matter). They don’t have ports like on the Two-Strokes. As we stated earlier at the beginning of this article. When you are being paid to troubleshoot and figure out a problem. To perform a leak down test, you would pressurize the … Add to Cart Add to My List. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. When you go to start the engine, it simply clicks. Remove all of the spark plugs. )eval(ez_write_tag([[250,250],'bornagainboating_com-box-4','ezslot_6',108,'0','0']));eval(ez_write_tag([[250,250],'bornagainboating_com-box-4','ezslot_7',108,'0','1'])); This will allow you to turn the engine over to get the results from the compression test. Bringing us to the next tool that you will need. Number of Kits: 4 piece. This is where you will need a couple of specific tools. It will prove whether the engine has a good powerhead or not. For those who would just like to check out your engine. Take your remote start button and hook up to the starter solenoid on the engine. & R. 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