Johnson Seahorse Help Needed

[markkay19]

Could anyone please tell me the correct spark plugs for a Johnson Seahorse 4 HP engine model no. 4BR71D, Serial No. B11288 in an NGK type if possible, plus gap size, also point settings and fuel mixture and year.<br /><br />Many thanks<br /><br />Markkay19

 

[Bear]

Re: Johnson Seahorse Help Needed

4BR71 4 hp 1971<br />4 hp 1969-1976 NGK B6S gap 0,8 mm<br /><br />Fuel/oil mix 50:1

 

[markkay19]

Re: Johnson Seahorse Help Needed

thanks very much for your help,do you know the points gap setting thanks.

 

[markkay19]

Re: Johnson Seahorse Help Needed

thanks very much for your help . do you know the points gap setting .thanks

 

[SeaMasterZ@aol.com]

Re: Johnson Seahorse Help Needed

try .020 for the points, seems to be a popular points setting

 

[Blacksting]

Re: Johnson Seahorse Help Needed

my 40hp '73 was .20 as well .

 

[nwcove]

Re: Johnson Seahorse Help Needed

avoid the ngk plugs if at all possible. i do believe the correct plugs are champion, j6c or j4j