Carb fart
05-14-2018, 07:57 PM
#1
Senior Member
MotoGP
Thread Starter
Join Date: Jul 2007
Location: NYC
Posts: 5,033
Carb fart
Starting to think my cut out issue could be a carb fart instead of spark.
Going to clean the carbs, check the idle jets, set the fuel screws to 2 turns out.
Anyone have any other suggestions to get rid of the carb fart stall? Gonna install my thumb fuel screws while I'm in there.
Going to clean the carbs, check the idle jets, set the fuel screws to 2 turns out.
Anyone have any other suggestions to get rid of the carb fart stall? Gonna install my thumb fuel screws while I'm in there.
05-15-2018, 05:25 AM
#2
Moderator
MotoGP
Join Date: Jul 2007
Location: Gettysburg, Pa
Posts: 5,072
I occasionally get a carb fart. I’d hate to change anything for it though, my Hawk fuels excellent. Seems to always be on hot days and intake velocity is usually low( low rpm). Doesn’t do it enough for me to care so it’ll be interesting to see if you can find a source/fix. I’ve never heard of a direct, this is it one.
05-15-2018, 10:05 AM
#3
Senior Member
Superstock
Join Date: Jul 2007
Location: CA, South of Heaven
Posts: 342
Not sure if it's the same issue but I get sporadic farts only around 3500rpm, when a/f leans out. Other than that, the engine runs strong everywhere, but It's very annoying because 3.5k rpm is ideal for just cruising. I have DJ needles (4th notch) with 190/195 mains (K/N filter/Jardine) and 45 pilots. 2.5 turns a/f screws. I read all threads about this and unless I wanna get rid of DJ needle/KN filter, switching to 48 pilot jet is they way to fix it. Gonna try one of these weekends.
05-15-2018, 12:31 PM
#4
Senior Member
SuperBike
Join Date: Sep 2008
Location: Essex, UK
Posts: 1,707
Raise the rotary idle adjuster a smidgen few revs so fart doesn't turn into a skid mark...
Starting to think my cut out issue could be a carb fart instead of spark.
Going to clean the carbs, check the idle jets, set the fuel screws to 2 turns out.
Anyone have any other suggestions to get rid of the carb fart stall? Gonna install my thumb fuel screws while I'm in there.
Going to clean the carbs, check the idle jets, set the fuel screws to 2 turns out.
Anyone have any other suggestions to get rid of the carb fart stall? Gonna install my thumb fuel screws while I'm in there.
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