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130 hp lower unit

alderepair

New member
"Hi All,I`ve got another quest

"Hi All,I`ve got another question for a yamaha tech.I`m replacing water pumps and the base plate under impeller is contacting rubber damper seal which may distort base plate.Can i trim front edge of seal,or does it need replacing?What does this damper-seal do anyway?Thanks for any help.James"
 
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