what year is my 10 hp johnson

skopav

Cadet
Joined
Aug 11, 2003
Messages
7
I recently acquired a 10 hp johnson outboard model #qd-24b I would like to know what year it is and if possible the fuel to oil ratio. Thanks
 

cotterman

Chief Petty Officer
Joined
Jan 7, 2003
Messages
490
Re: what year is my 10 hp johnson

we need a model number and somebody can tell you.
 

skopav

Cadet
Joined
Aug 11, 2003
Messages
7
Re: what year is my 10 hp johnson

Thankyou cotterman and scoop for all your help
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: what year is my 10 hp johnson

Scopav.<br /><br />OMC specified 24:1 for engines before 1965.<br /><br />Your QD-24 has a friction bearing on the small end of the con-rod and does not get adequately lubed with a 32:1 or 50:1 mix.
 
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