5 posts in this topic
I have a 1996 King Quad 300 LT-F4WDX ATV
I tried to install a carburetor rebuild kit but there were no instructions and I am unable to find them. Anybody know what the "Pilot Screw" is set at? The engine starts but seems to be flooding- very difficult to get the rpms up and engine acts flooded.
I set the screw to 3 turns from closed. It is called the "Pilot Screw" on exploded views of the carb.
It is a Mikuni BST 31 single carb.
Thanks for any help!
Hi. I recently had to replace the diaphragm on my QM 500, so I decided to add a sigma 6 jet kit. I basically replaces the main jet with a 135 (was 130) and moved the clip on the needle down one space (as per their directions) towards the RICH direction. Now that I have it reinstalled it starts great, idles great but if you try and give it any throttle it sputters, pops and looses all power. With the choke on it will accept throttle.
This implies to me that I am running LEAN, which seems strange as I moved the needle towards rich and put a bigger jet in?
I have checked the rubber connections on either side of the carb, the carb has been out and it is CLEAN.
So any thoughts other then just "clean the carb".
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i put a higher compression piston in my 400ex and now when i drive it roughly every 30 seconds or so it dies down like it is out of gas then it picks back up again after about 5 seconds of that, i was wondering if the piston would require a bigger jet or could it be because i dident get it back in time just right?
ps. it has a pipe on it but im not sure if its full or slip on