axulsuv Posted November 2, 2014 Report Share Posted November 2, 2014 (edited) OK , here it is ; On a phbl does the choke operate with the plunger in the carb body up or down ? On my soon to be trusty '97 section , the manuals I've obtained (thanks to all !) , show and translate that the long lever version on my bike , you lift the lever to activate the choke circuit ... which puts the plunger in the down position. The choke lever in either position has little effect on how the bike runs ... Idle mixture screw has little effect with lever in either position ... Time to get a gasket/seal kit and go thru the carb I know . But before I start looking for other issues , I want to know the carb is correct . But the old girl will still pull your shoulders out of socket with misjudged throttle application ! Thanks for any pointers ! She's still my first almost modern bike ! Air cooled 240's are so much simpler ......!!!!!!!! Thanks , Glenn Edited November 2, 2014 by axulsuv Quote Link to comment Share on other sites More sharing options...
zerorev3rev4 Posted November 2, 2014 Report Share Posted November 2, 2014 from what i gather it must be the steel lever type which as you say you lift it and the plunger goes down for on , this should have an effect so it is either choke on all time or off all time ,, also the mixture screw should cause a difference when adjusted , so a carb overhaul is due , but check air filter first Quote Link to comment Share on other sites More sharing options...
dadof2 Posted November 2, 2014 Report Share Posted November 2, 2014 The PHBL does not have a choke It is the position of the plunger that counts. When plunger is down the enrichment circuit is closed - normal hot running position When the plunger is up the enrichment circuit is open - cold start position Quote Link to comment Share on other sites More sharing options...
copemech Posted November 3, 2014 Report Share Posted November 3, 2014 The PHBL does not have a choke It is the position of the plunger that counts. When plunger is down the enrichment circuit is closed - normal hot running position When the plunger is up the enrichment circuit is open - cold start position Funny, but true! Quote Link to comment Share on other sites More sharing options...
axulsuv Posted November 3, 2014 Author Report Share Posted November 3, 2014 Thanks , the translation of the italian manual pages is unclear , but that makes perfect sense Glenn Quote Link to comment Share on other sites More sharing options...
nigel dabster Posted November 3, 2014 Report Share Posted November 3, 2014 go on eurocarbs website its on there. Quote Link to comment Share on other sites More sharing options...
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