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Yamaha 75 hp

"Worn piston rings can cause t

"Worn piston rings can cause the piston to make noise, but a tap with every stroke is usually a worn bearing. Wrist pin or connecting rod bearings can not tolerate any increase in play at all.

Tony."
 
"Tony right, but pull the lowe

"Tony right, but pull the lower unit off to make sure the noise is in the upper end."
 
thank's everybody !
maybe

thank's everybody !
maybe it is important to mention but the engine
is after a overall all new but the piston .
 
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