Ebay has the carb for under fifteen bucks. Want to add a note on calibration or recalibrating when replacing the carburetor. McCulloch FG6000 or FG5700, Wen, and many more use the same wenling jennfeng (wenling jenn feng) engine. On the FG6000, FG5700, and others, you'll see both an idle speed screw and an idle mixture needle valve on the carb. On top of the engine, you'll see the governor sensitivity spring tensioner screw top center of engine. First, loosen the governor spring tensioner screw until its loose with spring totally collapsed. With no load, adjust carb idle to 60hz-62hz using a multimeter. Now adjust the carburetor needle valve to the highest smoothest idle speed (highest possible hertz on the multimeter). Then readjust carb idles speed screw back to 60-62hz max, nothing higher. Finally, adjust the governor spring tensioner screw to calibrate governor sensitivity; loosen for less governing, tighten for more governing, and too tight will take away and defeat idle speed screw on carb. It's a delicate balance, takes some work, but when finished the generator should always maintain 60-62hz under any load condition.
6yr old question
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SOURCE: I just bought a Coleman 1850 generator at a garage
Regular unleaded gas. 10W40 or mfg. suggested oil is fine.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c
SOURCE: low oil switch cut engine off and on when cold
It is not the oil switch you need to adjust the heads open the side and check on the settings for both in and out and adjust them according to the manual...in the winter sometimes they do not like heavy oil so check the oil weight and try lighter one
SOURCE: I have a Mcculloch 5700
Take the make and model #s to a lawnmower shop, they can get what you need, if they do not have it in stock. Also remember to check in tank strainer for restriction.
SOURCE: Have a mcculloch fg5700ak portable generator. 7
Make sure fuel tap is turned on. Tap the bottom of the carburettor with a wrench to make sure the float isn't stuck. Is the ignition on/off switch in the on position? make sure the oil level is ok as these usually have a low oil cutout which stops the motor when oil gets low. All that being ok give it full choke and it should start. Remove the sparkplug and check there is spark across the electrodes. (earth the thread part of plug on motor) If no spark replace the sparkplug.
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