compression spring troubleshooting

ACF said:
tells me it is compression relief spring bad
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Possible
ACF said:
when you turn via hand past top compression the engine will turn over and start, stop engine then it will not go past tdc, new battery. valves readjusted.
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There are 2 TDC strokes in a 4 smoke engine. Just stating the obvious. Talking valve adjustments here. One valve open or pushed down into the block/head, adjust the opposite valve. Rotate engine, same recipe for the other valve/s.
 
StarTech said:
Check the valve train again. Look for ACR bump of the intake rocker after verifying the clearances. As mention check rocker studs and verify they torqued to 150 in/lbs.
And the adjustment locks are torqued to 45 in/lbs.

These camshaft ACRs do fail a lot. IF you need a new camshaft don't buy one those Chinese clones as they fail quickly.

Also DL the service manual if you haven't already. Here is my edited version.

https://drive.google.com/file/d/1zNrLbrwgXu3tXi83T3UIUeoH2jC3Z8yb/view?usp=sharing
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have that manual , rocker studs are tight, valves clearance .004 , with plug remove spins no problems , still thinking that is camshaft spring
 
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