|
plugs
so i brought this 20hp 1981 mercury with thunderbolt ignition in mint condition ,
about 12 hours use been as rescue boat ,been standing 2 years been winterized all greased in right places ,it has the permagap plugs ,but i couldnt start it so i put some old plugs in started first timebut bit of a misfire, ordered new ones ngk buhw-2 but still wouldnt start put some ngk br6hs plugs in and starts first time but a bit of a missfire on low revs, so any ideas on why ??? this has me puzzled cheers
__________________
|
