Home › Forum › Ask A Member › Merc 4hp mdl 40 ser # 3168761 need info › Reply To: Merc 4hp mdl 40 ser # 3168761 need info

#263169
DAVID
Participant

    US Member

    those points are maker points if thunderbolt and should be pitted and poor looking are at their best. look at the idle tube for blockage in the carb.