Hi...I have a evinrude/jonshon Model 25D 19B,serial 54912. and i don´t realy knowe whitch kind of motr it is..i think it´s a 33 hp evinrude yaer about 1980!?.By the way it wont start but the sparks are fine,i tryed whit startgas ant it only fire ONE time occasionally,and sometimes it fire in the exhaustpipe.how to adjusting the firing device, and so on....(spellings it´s bad..i knowe) =/<br /><br />tanx