1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 104Get this manual

1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 104

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If there is any question that an anti-siphon valve is suitable, then the following test should be made using clear transparent hose Remove anti-siphon valve from tank and install fittings and hose Wat