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Post by Saber on Feb 2, 2015 16:02:20 GMT -6
Alrighty then I guess I will try that the pump. I will let you guys know the results after it comes in.
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Post by alleyoop on Feb 2, 2015 18:54:48 GMT -6
Makes sense if you say it rears it's ugly head in the heat , then the Vacuum Pump allowing fuel to flow out of the Vacuum line would make sense to much fuel at low rpms and it would bog on take offs. You may not notice it so much in Colder weather since motors need more fuel when cold.
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Post by Saber on Mar 23, 2015 7:37:04 GMT -6
Sorry for the delay guys. Weather and Kids keep me away from even the simplest jobs. Okay swapping the pump made a huge difference. But when I put everything back the way I had the carb prior to this issue I now have new problems. Just about cured the "grab the throttle and go" issue I had. After about a full 20 minute warm up and just ridding around my neighborhood the scooter wants to idle at a low rpm and will sometimes quite. If I rev it up and release on the center stand it will hold RPM's for a longer then normal duration and slowly creep down back to a below ideal idle spot, and when I am out on the road doing around 55mph she will jerk and miss but I hear no sounds out of the pipe or anything. I will hear popping if I am on the center stand and rev to 5000 and hold it there. This is LEAN right?  Current set up Uni Dual layer filter, 125 main, 37 pilot, needle in 4th or the furthest raised position. |
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Post by JR on Mar 23, 2015 7:47:18 GMT -6
Since you've got the needle in the richest spot that should equal more than a 125 main jet, you certainly can go bigger but try dropping a couple of notches on the needle first. Also adjust the mixture screw a tad.
JR
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Post by Saber on Mar 23, 2015 8:47:27 GMT -6
And when you say adjust the mixture screw I should be turning it counter clockwise to richen it correct?
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Post by JR on Mar 23, 2015 11:30:08 GMT -6
Yes, reason I say back the needle up is there is such a thing as too rich causing this too? If it acts the same after doing this then yes, it's too lean?
JR
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Post by Saber on Mar 24, 2015 7:48:29 GMT -6
Okay thanks,
Looks like I will have some sun today so I will give this a try.
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Post by Saber on Mar 29, 2015 16:08:05 GMT -6
Tried a few things leaning and making it more rich. End result was increase the main to 127 and pilot to a 38 and move the needle to position 3, mixture screw is 2 1/4 turns out. I was able to complete a 10 mile test drive in traffic and highway speeds with out one cough or jerk. Its been a year sense the bike was able to do that and as it seems all because I was sucking fuel from the vacuum side of the oem pump. Thanks for the help guys.
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Post by JR on Mar 29, 2015 21:11:18 GMT -6
Tried a few things leaning and making it more rich. End result was increase the main to 127 and pilot to a 38 and move the needle to position 3, mixture screw is 2 1/4 turns out. I was able to complete a 10 mile test drive in traffic and highway speeds with out one cough or jerk. Its been a year sense the bike was able to do that and as it seems all because I was sucking fuel from the vacuum side of the oem pump. Thanks for the help guys. Awesome! Enjoy riding her!
JR
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..BAD TO THE BONE..
