View Full Version : serious bog
jjm400ex
12-10-2006, 10:01 AM
06 yfz all stock, couple of months old.
has a serious bog and will sometimes die. not even fun to ride because of this. What is the stock size m.j. and pilot jet.
Does anybody have any suggestions on how to cure this?????
THEQUADSHOP
12-10-2006, 04:53 PM
main jet 158, need to install a power now system,look on power now website ,it goes between carb and air box to tumble air flow better
THEQUADSHOP
12-10-2006, 05:33 PM
48 pilot jet
Pappy
12-10-2006, 05:47 PM
no need to do anything but play with the jetting.
250r4life
12-10-2006, 11:23 PM
Originally posted by Pappy
no need to do anything but play with the jetting.
IMO power now is a waste of money... great in theory, but...
my buddy has had good success with the accelerator pump, although im sure jetting could take care of it as well...
oldskoolex400
12-11-2006, 10:38 AM
didnt they change that on the 06s to where it doesnt need the quickshot?
250r4life
12-11-2006, 11:07 AM
Originally posted by oldskoolex400
didnt they change that on the 06s to where it doesnt need the quickshot?
nope
07yfzdenial
12-11-2006, 08:41 PM
uhh, i have the Scary Fast power now unit and it beats the **** out of an ACC pump anyday. I have the 07 SE 450 also. 170 main and 48 pilot.
jjm400ex
12-12-2006, 05:35 PM
do u have to remove carb to change pilot
infantry317
12-13-2006, 01:35 PM
-00 LEAK JET $10
06YFZ450SE
01-14-2007, 07:43 PM
I have both Power Now and Power Now Plus and a Boyesen Quick Shot. and Jetted the Carb and My Throttle reponce is awsome and no bog.
blown331
01-15-2007, 08:46 AM
my buddies yfz450 had the same issue
he put ona k&n powerlid, + k&n + cam mod
we jetted the bike to 162 main, 45 pilot, needle n the 2nd click down (dyno jet needle?) and fuel screw 2 1/2 turns out
throttle response has amazingly increased, no bog
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