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Started by element303, August 05, 2015, 01:56:17 PM
Quote from: krusty on August 05, 2015, 07:34:47 PMChecked the correct routing of the fuel line? I believe that its critical. Check your shop manual (if you have one) for illustration. If you don't have one someone here will have a link to it.
Quote from: Pat Conlon on August 05, 2015, 07:15:23 PMThere sure is....go to the Files section look in the Carb Files and on page 2 there is a PDF on carb cleaning.Do a through cleaning, half measures will avail you nothing.Also: Replace the float needle seat o rings, in fact, just get the carb ss screw kit and o ring kit from RPM.
Quote from: FJmonkey on August 05, 2015, 07:27:06 PMOne more option to help trouble shoot the carbs is using a clear piece of tubing on the bowl drain. With the tube pushed onto the drain nipple, curve the tube up so the other end of the tube is above the carb top. Then crack the drain screw open. This will create a sight glass and allow you see if the bowls are filling the same. You will need to run the engine so keep a fan or two on the engine to avoid over heating.
Quote from: Firehawk068 on August 05, 2015, 07:29:02 PMAre all 4 choke plungers returning to the fully closed (in) position when you turn the choke lever off?It's possible that #2 and #3 are stuck in the open position?
Quote from: FJmonkey on August 05, 2015, 07:39:41 PMQuote from: krusty on August 05, 2015, 07:34:47 PMChecked the correct routing of the fuel line? I believe that its critical. Check your shop manual (if you have one) for illustration. If you don't have one someone here will have a link to it. Good call Krusty, that is an easy thing to check. After the fuel line wraps around carb top #3 then it goes under the "Y" splitter and into the petcock fitting. Going over the "Y" fitting can cause the line to kink. If it kinks enough then your 10MM fuel line becomes smaller. I will search for the post that covers this. edit... found itIn this image the line returns under one of the two lines, the OEM routing is under both lines before it connects to the petcock. Thanks to Mr Blackstock for the image....Here is the full posthttp://www.fjowners.com/index.php?topic=8015.msg73889#msg73889
Quote from: element303 on August 05, 2015, 10:37:21 PM...the carb dont need a rebuild kit really. even the rubber on the needle is still in good condition.