– 25 –
4. Compression
Insufficient
2
Worn out piston and cylinder .... Consult a Yamaha
dealer.
2
Loose cylinder head nuts .... Tighten nuts properly.
2
Damaged gasket .... Replace gasket.
Water does not draw up
2
Loosened priming and/or drain plugs .... Tighten.
2
Loosened hose joint and/or band .... Tighten.
2
Damaged O-ring and/or gaskets .... Replace.
2
Damaged mechanical seal .... Consult a Yamaha
dealer.
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