Question about Motorcycles
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Posted on Jan 02, 2017
i'd say the carb is gummed up especially the pilot jet (#16158) in this pic of the USA carb. may have to remove the carb & bowl and then remove the pilot jet (w/ flat head screw driver) and clean out the tiny holes.
the carb slide is installed backwards (turned 180 degrees). its #16025 in the pic. i've done this before on my daughter's XR70 and Z50. you'll know if its this when you move the choke lever, RPMs increase and decrease.
hope this worked for you and was fast enough.
Posted on Feb 06, 2009
SOURCE: Fuel leaking from bowls on Carb
is the leak coming from the overflow or just the seal around the bowls? if you take the bowls off (turn petrol off first) the floats may be getting caught open?
Posted on Jun 06, 2009
SOURCE: Magna 750 carb bowl blocked
sorry but you're going in. the float needle sound like they are plugged. the best way to go is to pull the carbs and clean them out. Don't adjust anything! Then I would recomend installing an inline fuel filter
Posted on Jun 21, 2009
first get the bike running, turn the idle adjustment up enough to keep it running. start with the air/fuel screw, 1 1/4 turn out. adjust the screw which ever way increases the idle 1/4 turn at a time, wait 10 seconds after every 1/4 turn to allow the engine speed to adjust. As the idle goes up you can use the idle screw to keep it in its normal range. at some point, the idle will start to come back down, this is when you want to start going the other way. idealy you want it set in the middle of the range of when it stopped increasing and when it started to decrease. If you are not able to reach this happy medium within the normal adjustment range, you will need to put the proper pilot jet in and start the process again. This should get you up and running, if it is a generic carb you may will have to adjust the jetting to get the bike performing its best after that, but thats another chapter.
Posted on Sep 25, 2009
Testimonial: "managed to get it running now as i now have a propper top head gasket ,lol still trying to find the propper idle setting ,lol tweek turn + hope , andz"
SOURCE: Hi, I have a 2004
The service manual says to "remove the carb" for this job.
But yes you can remove the main jet out without removing the carb out.
You can rotate the carb and slide it off the intake, but watch how much slack you have in the cables, remove the bottom plug that adjusts the fuel mixture.Take the seat/tank off and loosen both the 3mm bolt and philips mounting screw so you could turn the carb to were you could remove the big bottom 17mm bolt .
When you look up into the bolt hole with a light you can see two access holes for both the main and the pilot jets.the pilot can be changed by tilting the carb bottom to the left and removing the big bolt on the bottom. It's accessible without removing the float bowl. To get the needle out, you need to pull the seat and tank, remove the carb top cover (3mm allen bolts), remove the 4mm allen bolt on top of the slide, being careful not to lose the spring and other parts (3 pieces total). Pull the needle out with a needle nose and you're set. The main jet is replacable from the 17mm cap on the bottom. Your needle tube/jet may come out with the main jet but is no biggy. You can drain the float bowl before doing it if you loosen the little 3mm bolt on the bottom of the bowl. Just be sure to readjust the throttle cables after you move the carb back. Tilting the carb pulls all the slack out of the cables and the bind a bit if you dont pull them back.
You can remove the main jet with a main jet tool or a 1/4 inch socket. If the needle tube jet (long skinny tube that the main jet threads into) comes out with the main jet, simply unscrew it from the main jet with an 8mm wrench and the tool you used to take out the main jet.You can put the new main jet back in the tube first and then replace the tube back into the carb. The needle will be hanging out of the bottom of the carb where the tube goes. Because you have the carb at an angle the needle will be hanging at an angle, so you need to "thread" the needle into the tube to get it to go back in.Be sure not to over tighten the main jet because you can break it off. Also when you turn the carb, the front boot can turn if it is not tight (this is common on this bike). Be sure to line up the notch on the bottom front intake boot and tighten the front clamp. It is hidden under the crankcase vent hose that runs over the top of the boot.
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Posted on Jul 01, 2010
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