Mercury - Outboard Service Repair Kit 8/9.9HP Carbureted Series OEM Components 8M0181316. Overview. When you rely on a small outboard to get you across the bay, push you upriver, or guide you through a quiet morning of trolling, you want to know it will fire up without hesitation. That kind of confidence only comes from consistent care and using parts you can truly trust. The Mercury 8M0181316 Outboard Service Repair Kit brings together all the essentials to keep your 8hp or 9.9hp carbureted eng