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When u do a compression test on a o5 drz400sm how many lbs of compression should there be?

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Is 120psi compression too low for 2004 Toyota sienna


The most important part of the compression test result is how even the cylinders are. That is, the lowest cylinder should be at least 80% of the highest. So if the highest was 120 lbs, as long as the lowest is 96 lbs or more, the compression is OK.

Sep 03, 2016 | 2004 Toyota Sienna XLE Limited

2 Answers

Good day I want to find out, what is my compression test results on a Renault kangoo van 1.4 8V 2005 model


In pounds, all should be 140 LBS psi more or less and all within 5 lbs one way or the other. psi=pounds per square inch - measures on a special gauge for this reading. Hope this helps. http://www.auto-tune-up-and-repair-options.com/worn-motor-treatment.html

Mar 25, 2015 | Renault Cars & Trucks

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Husqvarna manuals online


First have the saw checked for compression. It should be between 115 lbs and 150 lbs. If the compression is good, check sparkplug, air filter and fuel settings
If this fails, have your dealer do a pressure / vacuum test.

Aug 13, 2014 | Husqvarna Garden

1 Answer

Hard to start any weather


Generally 2 stroke equipment that is hard to start has low compression. I would advise you to do a compression test and ensure that you are getting between 100-150 lbs of compression. If not your saw needs a piston, jug, and piston rings. If your compression is good I would suggest checking your fuel filter and carburetor.

Apr 10, 2013 | Garden

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1998 ford escort zx2 has compression, spark, & fuel but wont start?


any compression difference of 20 lbs or more is a serious problem. you seem like a logical fellow, so where would such a compression loss occur? rings, gasket, or valves. the standard way to find out where compression is leaking is called a wet/dry compression test. first you take readings the standard way and write them down. then you squirt a little oil into the cylinders one by one and test them again. if the compression goes up by more than 20 lbs., then the rings are the problem. if the reading stays the same as the first time then it is valves. tell that to the multiple people.

Apr 07, 2013 | Daewoo Leganza Cars & Trucks

2 Answers

Am looking for a tecumseh ULT50 manual


hello, since you checked all of that there ,what is the compression,should not be below 60 lbs any thing lower and will not run,check for a bad head gasket and proper compression should be between 60 to 130 lbs,hope this helps,

Feb 20, 2012 | Tecumseh Garden

1 Answer

# 4 cylinder 30 lbs compression


it indicates a sticking valve or lifter. you will have to do a leak down test to rule out the piston rings for that cylinder. most engines should have 140 to 160 cranking compression. a low compression on one cylinder indicates a bad exhaust valve. have a good day !!

May 10, 2011 | Toyota Tercel Cars & Trucks

1 Answer

Car not starting right


My first thought is low compression, run a compression test and see what the values are, if they are below 75 lbs. then you probably have lower end problems, if they are all above 100 lbs and one or two are at less than 80 lbs, you probably have a cylinder head/valve problem. Hope this helps, let me know.

Dec 15, 2009 | 1993 Geo Prizm

1 Answer

Compresshion specs


Compression tests are almost always done in psi, not ft-lbs - if you get the gauge from a parts store, it's likely in psi.

Sep 23, 2008 | 1988 Ford F 250

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