paulh Posted July 18, 2012 Report Share Posted July 18, 2012 HELP!! 247 aircooled mono goes well but despite new OEM Dellorto with std jetting still 'knocks' on overrun as returns to tickover- tried an OKO but ran far too weak- (reccomended 28mm OKO too big for 212 motor?) Now trying a 24mm Keihin - bit better but now wondering if ageing reeds may be problem? any ideas, or where to get reeds for this model? Cheers, Paul Quote Link to comment Share on other sites More sharing options...
kevez32 Posted July 18, 2012 Report Share Posted July 18, 2012 i run a 28mm oko on a 245 no problems at all bill pye or bob wright are the fantic gurus stocking most parts Quote Link to comment Share on other sites More sharing options...
jon v8 Posted July 18, 2012 Report Share Posted July 18, 2012 Crank seals ? Quote Link to comment Share on other sites More sharing options...
paulh Posted July 18, 2012 Author Report Share Posted July 18, 2012 Thanks for prompt replies guys - should'nt be crank seals as sympton has existed scince full rebuild which included new crank seals. .P.H Quote Link to comment Share on other sites More sharing options...
axulsuv Posted July 22, 2012 Report Share Posted July 22, 2012 (edited) Vacuum leak ? worn reed vales ? (not seating ?) Glenn Edited July 22, 2012 by axulsuv Quote Link to comment Share on other sites More sharing options...
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