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Old 05-05-2009, 10:51 PM   #1
beanomite
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Default Why is there no compression unless

Why is there no compression with the valves set? I have 165LBS if I loosen the exhaust rocker arm completely and none if I loosen the intake and exhaust. I think I bought a lemon.
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Old 05-05-2009, 11:10 PM   #2
pizzamaker
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Default Re: Why is there no compression unless

Quote:
Originally Posted by beanomite View Post
Why is there no compression with the valves set? I have 165LBS if I loosen the exhaust rocker arm completely and none if I loosen the intake and exhaust. I think I bought a lemon.
so is turning the right way now?
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Old 05-05-2009, 11:13 PM   #3
tonyton
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Default Re: Why is there no compression unless

that sounds strange....... Need more info....year of cart, type motor, how much gap in valves etc......
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Old 05-05-2009, 11:39 PM   #4
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Default Re: Why is there no compression unless

It an ezgo 350 out of a 2001 workhorse.
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Old 05-05-2009, 11:40 PM   #5
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Default Re: Why is there no compression unless

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Originally Posted by pizzamaker View Post
so is turning the right way now?

before he said it was turning clockwise. if it is, that's wrong.
not much need going any farther till this problem is resolved
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Old 05-05-2009, 11:42 PM   #6
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Smile Re: Why is there no compression unless

Quote:
Originally Posted by beanomite View Post
Why is there no compression with the valves set? I have 165LBS if I loosen the exhaust rocker arm completely and none if I loosen the intake and exhaust. I think I bought a lemon.
If you loosen both valves all the way,,, you won't have compression... It has to draw air to get compression.
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Old 05-05-2009, 11:42 PM   #7
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Default Re: Why is there no compression unless

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Originally Posted by dirtysouth View Post
If you loosen both valves all the way,,, you won't have compression... It has to draw air to get compression.
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Old 05-07-2009, 12:34 PM   #8
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Default Re: Why is there no compression unless

Motor spinning backwards?
Set the valve air gap first.
Follow the valves for proper rotation.
Piston rotates down as intake opens then closes, piston rotates up to compression, ignition and down on power stroke, piston rotates back up as exhaust opens and closes, starts over.
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Old 05-08-2009, 08:46 AM   #9
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Default Re: Why is there no compression unless

I took the engine out yesterday and checked the timing marks on the cam, crank and balancer shaft. They are correct. I tried to readjust the valves with no improvement. If the rocker arm even touches the intake valve- compression comes out. There is about 165lbs if I dont set the intake vave. With the intake valve set I have none. Let me know if you have anything else to check. The clutch turns counter clockwise. is there any chance it could go the other way? Help!
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Old 05-08-2009, 09:39 AM   #10
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Default Re: Why is there no compression unless

The only thing I can think of is that the gear on the crank or balancer has slipped or spun some, it's a press fit gear and it does happen from time to time. This will make the valve timing off
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