Merc. 3 cyl. 2 stroke spark plug gap

[babyboboots]

I have a (year unknown) probably 1988 Mercury 3 cylinder, 2 stoke 80 HP O.B. Need to find the spark plug gap size. Spark plug should be a NGK BUHW-2. This is probably the Elpto model. Any help, Thanks

 

[carholme]

Re: Merc. 3 cyl. 2 stroke spark plug gap

What is the engine s/n?

Gerry

 

[babyboboots]

Re: Merc. 3 cyl. 2 stroke spark plug gap

What is the engine s/n?

Gerry

What I have is OB345980

 

[Chris1956]

Re: Merc. 3 cyl. 2 stroke spark plug gap

BUHW-2 is a gapless spark plug I believe.

 

[carholme]

Re: Merc. 3 cyl. 2 stroke spark plug gap

Your s/n comes up as:

MERCURY - ( 80 H.P. (1988 ))
Serial No: 0B345980 Model No: 1080412BD

Parts list for model 1080412BD:

70/75/80/90 HP (3 CYLINDER) - Mercury, Mercruiser, Force, etc. Parts Lookup

Service Bulletin list for s/n 0B345980:

Search Results - Crowley Marine

In the parts list, see the plugs, item 10 under Electrical Components.

The service manual also provides alternate plugs. If you need a copy of the manual, send me a PM with an email address and I will send you a copy.

Gerry