WebFeb 7, 2013 · Feb 6, 2013 #1 I invented this idea in my head earlier today, only to find that someone else has already made it. It allows you to use your spark plug opening for double duty, adding decompression capability. Here's the source: http://smccycles.com/catalog/product_info.php?language=en&products_id=305 It's very … WebMar 3, 2024 · Cylinder compression test of a low hour Johnson Evinrude 25 Hp Outboard Boat MotorAn outboard has good compression if the values are above (roughly) 70 psi a...
Harley Davidson Sportster Engine Performance Diagnostic …
WebAug 11, 2014 · With a good gauge no leak down and throttle full open you should see 180 lbs both cyls +or - 5 to 10 lbs If you have ACR be sure they are working properly before you do a test Jack Klarich, Aug 10, 2014 #3 rush Member 7 0 0 Thanks for the reply's, and I do appreciate the help, but the first reply is 135 psi the other 180 psi. WebPolaris or Sportster the procedure is the same: 1. Run the engine to warm it up to normal temperature. 2. Disconnect and remove both spark plugs. 3. Screw the compression tester into the spark plug hole for either of the cylinders. 4. Hold the throttle open fully, also make certain the choke is open. This is important to get good readings. 5. moatassem yousef
Low Hour Evinrude 25 Hp Compression Test - YouTube
WebGet the best deals on Harley-Davidson Motorcycle Cylinder Heads and Valve Covers when you shop the largest online selection at eBay.com. Free shipping on many items Browse your ... Harley Davidson 1200 sportster cylinder heads 16684-87A rear and 16682-87A front. $449.99. $29.99 shipping. or Best Offer. Harley Shovelhead OEM Front … WebMar 29, 2024 · Using The Compression Tester 1) Run the engine to get it up to operating temperature (maybe a 10-15 minute ride) Let the engine cool down just enough so you can work with it Disconnect and remove … http://xlforum.net/forums/archive/index.php/t-575660.html moat around tower of london