Compression test results

GREEN GHOST said

Think I should venture into taking a spring off to look or just leave it as is and move onto new plugs / fuel / timing . . .I can just see the red rubber part through spring but can't make out much else

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My “opinion” is no. You dont know for a fact they are leaking. You do know for a fact that the carb is a problem. Rebuild carb, install new plugs, plug wires if the boots tore on disassembly, build a decent tune up in the carb and ignition timing. Drive and continue diagnostics