have just bought a 7.5hp HAUPT air cooled tiller single cylinder outboard.has no gears just direct drive,need info on which spark plug is used so i can service motor (NGK number?)and any tech info ,also anybody know where i can get spares from.think it was made in brazil.says haupt sao paulo s/a ,with the numbers 4809 on engine plate.but don,t know the year of build.maybe another makers motor built under licence.thanks for any help.
