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View Full Version : 2005 Yamaha 150 HPDI exhaust leak



James Carnes
08-14-2006, 06:55 PM
"Yamaha 150 HPDI 2005 model with only 115 hrs. begain to knock at low speed after an incident when the motor died while running at 4,000 rpm. Runs OK at high speed but makes a clicking / knocking sound at idle speed. Dealer says it has a blown exhaust port gasket and he has to take motor apart to fix. Anyone know about this problem ? Thanks"