![]() CNC-Motorsports offers the best selection in BBC 454 short blocks. Low compression in one cylinder can I hone it? 02-06-2017, 08:26 PM. Continous misfire cyl #2 147-151 psi compression all cylinders ( spec is 100 psi minimum with 30 psi differential allowance) fuel pressure correct injector flow test checks good, Swapped injectors with cyl 4 to be sure =no change swapped ignition coils, Harley Davidson Twin Cam Engine Cylinder Head Used 17192-06B Compression Release. In case you don't have one, take the car to an auto servicing shop so that a mechanic can do the testing. Check your compression gauge! Pull the plugs and crank the engine to see if you are getting pressure out of all of the. no compression on all cylinders! Yeah, with a blown head gasket you'd still have some compression, and there would be other symptoms. I cannot find this misfire and I am looking for some guidance on this waveform. I finally did the compression test on this engine and i was right no compression but i am super surprised that none of the 4 cylinders have any compression i. ![]() No compression in #1, and I assume that if it is spinning easily that there is no compression in any of the cylinders! Can't be cam gear as you say you are getting a spark which means that the cam is moving the disributor. If the key sheared, the gear would still be timed, but the cam would have rotated in the timing gear. ![]() “Up for sale is a 2005 Yamaha 150HP outboard Engine. ![]() So I checked various things and found out that i had no compression in cylinder 1 so then I checked timing and fixed that (well i think) then tried starting and didn't start. Then they said the only options I have are: Replace the If you experience low compression on all cylinders, it may be caused by a faulty camshaft timing belt or chain, but it could also be caused by a previously wrong installed belt If you are getting no compression at all in your cylinders, you probably have a bad timing belt or a broken camshaft. But the camshaft cannot rotate when the belt fails, leading to the engine being unable to make compression. ![]()
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