Year of motor

johnbuczek51 · Jun 4, 2013

I have a 40 hp Mercury "402" serial number 3475092 motor.

How I find out the year?

How can I find additional info on motor?

thanks............john

Grizzz · Jun 4, 2013

Re: Year of motor

1973, I believe.

carholme · Jun 4, 2013

Re: Year of motor

Grizz is right.

40 402 2-cyl 3474578 3859434 1973 USA

From here:

Mercury 2-takt, 2-cyl, 30-40 hp, produktions?r, modellguide

Parts List:

MERC 402 - Mercury, Mercruiser, Force, etc. Parts Lookup

Service Manual P/N: 90-68647.

90-68647 in Books | eBay

Gerry

johnbuczek51 · Jun 5, 2013

Re: Year of motor

Grizzz said:
1973, I believe.

Thanks