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TOPIC: Re:42mm carb has excessive fuel over flow Forum Tools Post New Topic Show latest posts Rules

#115512 Flashback (Moderator) The devil to pay, and no pitch hot Moderator Posts: 4576 Re:42mm carb has excessive fuel over flow 4 Months ago   check to be sure the accelerator pump is functioning properly, that could be causing your hesitation and backfire..Iv'e found on mine that it likes that little extra squirt as early as possible, the duration doesn't seem to be as touchy..   Logged       The administrator has disabled public write access. #115748 Bruzer (User) Junior Boarder Posts: 113 Recap? 4 Months ago   OK I have 42 mm mikuni hsr carb, no tps yet - I do have a dyna3k and a barons BAK. the fuel pump is still intact, jet is 167.5- original mikuni needle I believe set at 3rd notch still in. Seems to start,not pretty! but idles and stays, when I blip the throtle blank nothing dies, when I ease into throtle I get back fire, pipes and carb A little flame to boot. please offer me some more wisdom, I will check pms screw and accelerator pump. to the garage I go.   Logged     Dont wish to change the experience - But wish to experience the change!   The administrator has disabled public write access. #115761 Bruzer (User) Junior Boarder Posts: 113 Re:Recap? 4 Months ago   OK The pump is gone I am a little concerned about fuel flow but I am going to trust those who came before me. So recap; I have 42hsr mikuni carb. original needle still in it-( barons looked to short, ) 175 jet, Barons BAK - Yamaha ported manifold - no tps yet (going to look for mod after i get through this) and a dyna 3000. Bubs shortys with vortex baffle ( sounds awsome - insanely loud ) will not start with out choke on full, sputers through carb a bit. (its late here so its hard to rev up with out bothering nabours) what nexxt ? I need to understand the accelerator pump where is this?   Logged     Last Edit: 2008/09/03 23:50 By Bruzer. Reason: changed starting comment   Dont wish to change the experience - But wish to experience the change!   The administrator has disabled public write access. #115788 Flashback (Moderator) The devil to pay, and no pitch hot Moderator Posts: 4576 Re:42mm carb has excessive fuel over flow 4 Months ago   On the mikuni link I sent you, there is a blow up of the carb, the accelerator pump is shown, there are 2 or 3 different sized jets for it as well, what it does basicly, is give a little extra shot of gas when you crack the throttle, you can adjust when that shot comes and for how long it lasts..Sounds like your getting there tho, you should need the choke on full when the engine is cold..no choke when hot...   Logged       The administrator has disabled public write access. #115933 Bruzer (User) Junior Boarder Posts: 113 Re:42mm carb has excessive fuel over flow 4 Months ago   Thankyou for all the Great direction I have learn a ton not to say I am out of woods yet! still need help Im sure but I think iam getting close So new set up is as follows; Removed fuel pump Jet = 167.5 - Jet needle = #97 clip on second groove - PMS = 1.75 turns - pilot jet = #25 - ordered a #50 & #60 pump nozzle along with a #165 jet.   Logged     Last Edit: 2008/09/04 14:52 By Bruzer.   Dont wish to change the experience - But wish to experience the change!   The administrator has disabled public write access. #115960 Hotelfox (User) Riding The BIG RED THUNDERCHICKEN!! Platinum Boarder Posts: 1140 Re:42mm carb has excessive fuel over flow 4 Months ago   Man I am truly diging the paint job on that bike. Can you give some more pictures of that beast, once you get it running... That is hot. Thanks, Howie   Logged     2.5MM Float Assy 170 Main Jet 3rd clip on the needle 2.5 turns out PMS Proud Member of Patriot Guard Riders Hirams Riders M C   The administrator has disabled public write access. #116032 Bruzer (User) Junior Boarder Posts: 113 Re:42mm carb has excessive fuel over flow 4 Months ago   Thanks Howie! I am going for a little boot to see how its running, but here is another pic, thanks wasnt sure about the paint differnt! you know - no flames, skulls ect. so let me no what you really think about paint?   Logged     Last Edit: 2008/09/04 17:41 By Bruzer. Reason: pic   Dont wish to change the experience - But wish to experience the change!   The administrator has disabled public write access.

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