How To Replace Carburetor On Onan 4000

How To Replace Carburetor On Onan 4000When reliability counts, insist on the real thing. Clean the piston ring grooves with a groove cleaner (Figure 10-23) or the end of a piston ring filed to a sharp point. Step 6 Draw the carburetor away from its location, trying not to damage the gasket. My recommendation is to pull the carb (very easy to do) then spray/flood the carb with carb cleaner (making sure you fill the bowl) and let sit for about two hours then shake out and do again then shake out again and re-install. Autu Parts 146-0456 Carburetor for Onan RV Generator 4000 watt 6500 watt with Gaskets 141-0929, 146-0444 Product Description & Features: Fits:for 146-0456 Replaces 141-0929,… View More Carburetors 146-0803 146-0785 Carburetor + Gasket for Onan Cummins A041D736, Microquiet 4000 Watt Generators 4KYFA26100 4KYFA26100P 4KYFA26100K. RV Green Label Parts Reference Guide (English). Posts: 13. Onan 4000 watt generator carburetor problem and replacement - YouTube 0:00 / 4:51 Onan 4000 watt generator carburetor problem and replacement Pioneer Photography 5. Solution: clean from float seat to inlet backwards with carb cleaner, compressed air, brass or copper wire, and then start over again till all is most def. QAZAKY Carburetor Compatible with Onan Cummins RV …. Reporting good luck with a carburetor replacement on my Onan QG 4000 Generator. Inspect the linkage between the carburetor's throttle control and the governor arm. One thread mentioned that something got pushed into the carb. I need instructions on how to replace the carb on the onan microquiet 4000 generator model #4kyfa26100k Ask an Expert Car Questions RV Questions Michael Reush, RV Technician 3,309 Satisfied Customers Serving the rv industry since 1977 Michael Reush is online now Related RV Questions I have an onan 4000 microquiet that has a rocker arm that. How to Adjust the Governor on an Onan Engine. Onan 4000 Generator Troubleshooting. The best way to maintain that performance is by using genuine parts. Carburetor on a RV ONAN Generator">How to Remove the Carburetor on a RV ONAN Generator. I hope this helps, good luck Jay T Jun 6, 2011 #4 Water Dog. ">RV Generator Parts and Maintenance. Onan Intake Seal Replacement Instructions. BGD & BGDL Begin Spec F Replace # 146-0663 146-0577 146-0630 3 $6200 FREE delivery Mon, May 15 Or fastest delivery Thu, May 11 More Buying Choices $21. Onan Generator Fault Code 14 (OverFrequency Fault)">Fixing Onan Generator Fault Code 14 (OverFrequency Fault). fuel inlet and moves from out of the path of fuel to into the path or migrates into the needle seat area and out. You may run into many recommendations to replace it, but the original carb costs several hundred dollars and even the eBay knock-offs aren't cheap. I have plenty gas going into the carb and I removed the spark plug and grounded to frame it has a good spark. The simplest solution is to replace the clogged filter with a new one because washing isn’t a reliable solution. One thread mentioned that something got pushed into the carb. Besides, the new carb governor setting must be readjusted to run the armature at exactly 3600 rpm to keep the precise 60 cycles per second volts a. Cummins Onan RV QG 4000 generator exercising, carburetor. Remove the spark plug with a socket wrench or a spark plug tool. Got the float to move up and down, reconnected the carburetor and restarted but have to manualy move the choke to get it to start and runs for about 20 seconds. 2019 Onan 4000 KY RV gas generator issues. There will typically be two bolts, but some Onan models have more. 2019 Onan 4000 KY RV gas generator issues. Onan 4000 Carburetor">Amazon. Carburetor with Gaskets Replacement for Onan 4000 4500 5000 5500 7000 146-0663 Onan BGE spec K-P. Got the float to move up and down, reconnected the carburetor and restarted but have. Onan 4000 RV OG Generator Carburetor Replacement. Onan 4000 microquiet generator Carb fix - YouTube 0:00 / 11:48 Onan 4000 microquiet generator Carb fix Todd's Life 52 subscribers Subscribe 212 22K views 2 years ago Carburetor fix for. 🔧 How to fix a clogged Carburetor on an Onan Generator. For Cummins 0A6562 KY Series Generator. If either appears damaged, replace with genuine Onan parts. | Carburetor for Onan Cummins A041D736, Microquiet 4000-Watt, 4KYFA26100 Generators Visit the The ROP Shop Store 92 ratings | 16 answered questions $3999 Additional Details Small Business This product is from a small business brand. Learn more Frequently bought together + + Total price: Add all three to. I ran the fuel pump until the new fuel came out (the old fuel was stained Yellow from the Stabil additive). I pulled this off of WFM, and it should apply for all two cylinder Onans. Onan 4000 watt generator carburetor problem and replacement. Onan replacement carburetor needed - iRV2 Forums > Mission Statement This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2. Removing carburator off a 4000 onan. Removing carburator off a 4000 onan. On the oil pressure switch for NHM, some Onans used switches that were open with no oil pressure ( spec A), and looks like the rest of the NHM specs used a switch that is closed ( grounded) when there's no oil pressure. With the exception of a window leak, non-working. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Join the #1 RV Forum Today - It's Totally Free!. Use only Onan replace- ment parts to service the exhaust system. I need instructions on how to replace the carb on the onan microquiet 4000 generator model #4kyfa26100k Ask an Expert Car Questions RV Questions Michael Reush, RV Technician 3,309 Satisfied Customers Serving the rv industry since 1977 Michael Reush is online now Related RV Questions I have an onan 4000 microquiet that has a rocker arm that. The 541-0765 Carburetor is a direct replacement for the Onan 5500 Grand Marquis Gold Generator and the Onan 7000 Marquis Gold Series RV Generator. How to replace (or remove for repair)the carburetor on a …. A042P619 Carburetor Carb With Gaskets Compatible with Onan 4000 Cummins Generator & Microquiet 4000 Watt Replaces A041D736 4KYFA26100K 146-0785 4KYFA26100 Visit the RANSOTO Store 76 ratings | 4 answered questions $3299 FREE Returns About this item Compatible with Onan Cummins Microquiet 4000-Watt 4KYFA26100 4KYFA26100P. Cummins Onan 4000 Generator carburetor replacement. Step by step video on how to replace the carburetor in a Cummins Onan RV QG 4000 generator. Remove dirt and deposits from the piston sur- faces with parts cleaning solvent. Carburetor for Onan Cummins A041D736, Microquiet 4000. These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. The ELECTRIC Solenoid on the bottom of the carburetor is just a main jet cut-off to avoid run-on when the engine is shut down. Otto's Aero Escapades and What Not. The new fuel filter will just fit inside the oval hole allowing it to be connected to the fuel pump. carb on the onan microquiet 4000 generator model. WZTEPENG 146-0663 Carburetor with Gaskets Compatible with Onan Generator 4000 4500 5000 5500 7000 Emerald BGE spec K-P. The generator has only 65 hours on it (good and bad). Onan manufactures a line of small engines that are commonly used on small generators. With mount parts as picture, match up exactly with original equipment in perfect fitness. There will typically be two bolts, but some Onan models have more. Solution: clean from float seat to inlet backwards with carb cleaner, compressed air, brass or copper wire, and then start over again till all is most def. Carburetor with Gaskets Replacement for Onan 4000 4500 5000 5500 7000 146-0663 Onan BGE spec K-P. Carburetor Compatible with Onan Cummins RV Generator ">QAZAKY Carburetor Compatible with Onan Cummins RV Generator. com/channel/UCSbAVZwDttudOyn5W4HPVdQ?sub_ #jtreels #. If the spark plug is dirty, try cleaning it with a wire brush or sandpaper. Onan 4000 watt generator carburetor problem and …. ONAN MICROLITE 4000 SERIES SERVICE MANUAL Pdf Download. You should check your RV's manual for the exact part numbers needed for your specific Onan generator. 4) place the linkage on the new carb same as old (5 set the new carb in its place with new gasket 6) This is the tough part, reinstall the two bolts which hold the carb in place, take your time this can be maddening!!!!. If not, wait about 2 minutes to let the starter cool down, and try it again. If there is still no fuel flowing, the pump is bad. View and Download Onan MicroLite 4000 Series service manual online. have a 4000 Onan generator on my RV and the is gummed up ">I have a 4000 Onan generator on my RV and the is gummed up. Onan: Onan Microquiet 4000 runs but spews fuel out of carb">Onan: Onan Microquiet 4000 runs but spews fuel out of carb. Cummins Onan says their carburetors are not serviceable, so. Costs nothing but a bit of time and hose. Here is a representation of the tag on Onan QG 4000. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Join the #1 RV Forum. I need instructions on how to replace the carb on the onan microquiet 4000 generator model #4kyfa26100k Ask an Expert Car Questions RV Questions Michael Reush, RV Technician 3,309 Satisfied Customers Serving the rv industry since 1977 Michael Reush is online now Related RV Questions I have an onan 4000 microquiet that has a rocker arm that. After installing this carb in my Onan 4000 (4YFA-6747P) as listed in the product description, the carb actually does not fit. Cummins Onan says their carburetors are not serviceable, so you will likely have the best luck. best place to buy new Onan carburetor. Here is a representation of the tag on Onan QG 4000. Re: Onan 4000 series microlite generator. Put the bolts where they won't be lost. 11 Ways To Fix Onan Generator Fault Code 14. unit will not stay running after 5 seconds of starting even if I keep the start switch down. The new fuel filter will just fit inside the oval hole allowing it to be. Need to replace one on my Onan 4000 model 4KYFA26100K carb is the 146-0785 (new OEM #A042P619) I see them online for around $250. I have a 4000 Onan generator on my RV and the carburetor is gummed up from non use. I have an 18-month-old (2019) Onan 4000 KY (R) series gas generator that won’t run. Use a properly sized socket to remove the bolts holding the carburetor to the body of the generator's engine. Use a properly sized socket to remove the bolts holding the carburetor to the body of the generator's engine. Despite the difference in outward appearance, it will fit your set and the oil ring will provide a proper seal. Cummins Onan says their carburetors are not serviceable, so you will likely have the best luck. You may run into many recommendations to replace it, but the original carb costs several hundred dollars and even the eBay knock-offs aren't cheap. Onan Carburetor Repair Kit # A042P619. Inspect the linkage between the carburetor's throttle control and the governor arm. com Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. WZTEPENG 146-0663 Carburetor with Gaskets Compatible with Onan Generator 4000 4500 5000 5500 7000 Emerald BGE spec K-P. Carburetor with Gaskets Replacement for Onan 4000 4500 5000 5500 7000 146-0663 Onan BGE spec K-P. Step by step video on how to replace the carburetor in a Cummins Onan RV QG 4000 generator. One thread mentioned that something got pushed into the carb. Replace the filter with a fresh one if it is blocked. 113K views 6 years ago This video is how to maintain and clean the Cummins Onan RV QG 4000 generator with Seafoam. Genuine Onan 146-0785 146-0803 Generator Carburetor KY Series A042P619 ( Nikki Carb Japan) The previous part numbers for this KY carburetor 146-0635 > 146-0703 > 146-0742 > 146-0785 with the. How to replace (or remove for repair)the carburetor on a Cummins Onan. 1; 2; First Prev 2 of 2 Go to page. Onan 4000 RV OG Generator Carburetor Replacement. Onan generators are known for their high quality and dependable performance. Carburetor fix for Onan 4000 microquiet generator. This assembly consists of the carburetor and the in- 4. Turn off the Onan engine. I got this from analizing the schemactics at back of NHM service manual. Fuel pump replacement Onan 4000 KY. The generator had been getting harder and harder to crank. Onan Microlite 4000 oil pressure sensor. Start the generator and let it run for a few minutes to ensure the. QAZAKY Carburetor Compatible with Onan Cummins RV Generator. Onans recommendation is to purchase a rebuild kit for $80+. View More QAZAKY Replacement for Carburetor Onan Cummins A041D736 Microquiet 4000 Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Generator Gator HPX 4X4 KY Series 146-0635 NEW Replacement Carburetor Compatible with Onan Cummins Microquiet 4000-Watt Generators A041D736 A042P622 A042P619 Onan 146-0785 146. 4) place the linkage on the new carb same as old (5 set the new carb in its place with new gasket 6) This is the tough part, reinstall the two bolts which hold the. Compatible with: For Onan Cummins RV Generator A041D744 carb. Each Cummins Generator has a model/spec number description, which is shown on the serial number tag attached to the generator. The vaporization of the slightly rich mixture helps dissipate heat from the heads and valves. Removing carburator off a 4000 onan. BGD & BGDL Begin Spec F Replace # 146-0663 146-0577 146-0630 3 $6200 FREE delivery Mon, May 15 Or fastest delivery Thu, May 11 More Buying Choices $21. Close the choke and throttle plates by rotating. Removing carburator off a 4000 onan. IF the fuel pressure is correct, Pull the carburetor, then check the sealing of the needle and seat, shake the float to make sure it isn't cracked and has fuel in it. Buy A042P619 Carburetor Carb With Gaskets Compatible with Onan 4000 Cummins Generator & Microquiet 4000 Watt Replaces A041D736 4KYFA26100K 146-0785 4KYFA26100: Fuel Filter 149-2457 RV Generators Trailer Camper 3600/4000 Replacement for Onan Generator 30 Micron Compatible with Camp Power. Otto's Aero Escapades and What Not. Float bowl cover swapThis is the carburetor I purchased from Amazon:. I hope this helps, good luck Jay T. Thread starter snasis; Start date Jun 6, 2011; The friendliest place on the web for anyone with an RV or an interest in RVing! If you have answers, please help by responding to the unanswered posts. 113K views 6 years ago This video is how to maintain and clean the Cummins Onan RV QG 4000 generator with Seafoam. With the exception of a window leak, non-working fridge and generator (4000 Onan Microlite) problems, the coach is in great shape. Onan replacement carburetor needed. From filters to maintenance kits, Genuine Cummins Green Label Parts are made to exact product specifications to maximize the power output and life of your Cummins Onan RV generator. I redid mine on my '88 John Deere 316 and it sealed up the intake and stop the engine from surging. Reporting good luck with a carburetor replacement on my Onan QG 4000 Generator. • What is the weight of the Carburetor Carb with Gaskets for Onan Cummins Generator & Microquiet 4000-Watt 4KYFA26100. Replacing A Fuel Filter On A Cummins Onan RV Generator. Page 80 Carburetor Replacement (Beginning Spec D) Other than turning the altitude adjust knob shown in. Use a properly sized socket to remove the bolts holding the carburetor to the body of the generator's engine. However, it will need to be replaced if it is severely fouled. A042P619 Carburetor Carb With Gaskets Compatible with Onan. When I tried to winterize & de-gum it 2 months ago, the gen wouldn't start at all. Following a video, by the manufacturer Seafoam, it shows. BGD & BGDL Begin Spec F Replace 146-0577 146-0630 Motorhome generator carburetor Brand: Wztepeng 40 ratings Lowest price in 30 days -9% $6000 Was: $65. Is this reasonable or should I look for another Onan dealer/service center? Answered in 8 minutes by:. Onan generators are known for their high quality and dependable performance. I called the local RV/Onan dealer and they inform me that Onan recommends that the carburetor be replaced with a new one. My RV uses a Cummins Onan Fuel Filter Part# 0149-2457. IF the fuel pressure is correct, Pull the carburetor, then check the sealing of the needle and seat, shake the float to make sure it isn't cracked and has fuel in it. To do the test, remove the fuel line from the carburetor. If either appears damaged, replace with genuine Onan parts. Genuine Cummins Green Label Parts are available from all certified Cummins RV service and parts dealers. The last thing to do is remove the air cleaner and with the engine running spray short bursts of carb cleaner into the carb. Use a properly sized socket to remove the bolts holding the carburetor to the body of the generator's engine. Un- authorized modifications will void the Onan EXHAUST SYSTEM warranty. Buy Carburetor Assembly for Cummins Onan QG 4000 4KYFA-6747P 4000 W Generator Carb: Carburetors #1,206 in Automotive Replacement Carburetors #9,889 in Automotive Replacement Emission & Exhaust Products: Date First Available : May 24, 2020 : Warranty & Support. My RV uses a Cummins Onan Fuel Filter Part# 0149-2457. The linkage should move smoothly and the springs should not be overly stretched. Onan 4000 KY RV gas generator issues. Onan 4000 series microlite generator. Avoiding Onan Generator Fault Code 14. Need to replace one on my Onan 4000 model 4KYFA26100K carb is the 146-0785 (new OEM #A042P619) I see them online for around $250. You should check your RV's manual for the exact part numbers needed for your specific Onan generator. My recommendation is to pull the carb (very easy to do) then spray/flood the carb with carb cleaner (making sure you fill the bowl) and let sit for about two hours then shake out and do again then shake out again and re-install. Onans recommendation is to purchase a rebuild kit for $80+. Step by step video on how to replace the carburetor in a Cummins Onan RV QG 4000 generator. That is why it is suggested to use a container of gas with a new bit of hose and see if it corrects the problem. To do the test, remove the fuel line from the carburetor. However, once running, the generator would run just fine. This carburetor is manufactured to the highest production standards so that it performs just as well as the original equipment part. com/channel/UCSbAVZwDttudOyn5W4HPVdQ?sub_ #jtreels # minibike #Motorcycle. Oct 17, 2014 #9 M MikeFromMesa Well-known member Joined Jul 13, 2014 Posts 295. Removed the carburetor bowl and found the float stuck in the open position. Keep in mind that air filters should be replaced every three to four months because the dirt. Remove the fuel line from the carburetor, and place it into an empty container. Then look at the fuel pump, it may get tired after running for a bit and not pump as well as it should. Onan 4000 microquiet generator Carb fix. Removing carburator off a 4000 onan iRV2. RV Generator Parts and Maintenance. How to replace (or remove for repair)the carburetor on a. Carburetor with Gaskets Replacement for Onan 4000 4500 5000 5500 7000 146-0663 Onan BGE spec K-P. BGD & BGDL Begin Spec F Replace # 146-0663 146-0577 146. There should be an immediate strong, steady flow of fuel in a pulsing flow. I put a small amount of Permatex High-Temperature Thread Sealant at the base of the threads on the new Fuel Filter. If you're having an issue with an Onan surging and you cleaned and cleaned the carb, I suggest you check the intake seal. Onans recommendation is to purchase a rebuild kit for $80+. Turn off the Onan engine. Carburetor gummed up Show more. See if you have good airflow and maybe back the screw out a 1/4 turn see what happens, lefty loosey. Carburetor Assembly for Cummins Onan QG 4000 4KYFA. How to Remove the Carburetor on a RV ONAN Generator. Subscribe: https://www. Page 126 Remove the piston pin retainer from each side, heat the piston to 300 F (149 C) and push the piston pin out. Keep in mind that air filters should be replaced every three to four months because the dirt and dust particles from the air can also lead to premature wearing and tearing of the internal components. My recommendation is to pull the carb (very easy to do) then spray/flood the carb with carb. It shouldn't have anything to do with flooding. Step by step video on how to replace the carburetor in a Cummins Onan RV QG 4000 generator. I’ve spent the last 2 months trying to get it running. Manufactured to exact measurements to meet or exceed OEM specification. Fuel pump replacement Onan 4000 KY Mark Forums Read Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Removed the carburetor bowl and found the float stuck in the open position. Onan replacement carburetor needed - iRV2 Forums > Mission Statement This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Search this Thread Display Modes Join the #1 RV Forum Today - It's Totally Free!. How to replace (or remove for repair)the carburetor on a Cummins Onan RV generator QG 4000 My Onan Generator Starts But Won't Stay Running - FREE REPAIR. We put 12 hours on the gen last year, no hours this year. Reporting good luck with a carburetor replacement on my Onan QG 4000 Generator. Onan generators are known for their high quality and dependable performance. Carburetor with Gaskets ">Amazon. QAZAKY Replacement for Carburetor Onan Cummins A041D736 Microquiet 4000 Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Generator Gator HPX 4X4 KY Series 146-0635 146-0703 146-0742 146-0759 146-0785 146-0803… View More Parts 4PK Air Pre Filter Kit Replacement for Onan 140-2628 140-2522 HE1402628 AM106953. Each Cummins Generator has a model/spec number description, which is shown on the serial number tag attached to the generator. The simplest solution is to replace the clogged filter with a new one because washing isn’t a reliable solution. I had been cranking, and running the generator under load for one hour each month. Remove the fuel line from the carburetor, and place it into an empty container. Onan 4k Altitude Adjustment Screw Setting. How To Choose The Best Carburetor For Your Onan Generator. Reconnect the fuel line to the filter and tighten the retaining nut. To clean or replace the spark plug on your Onan 4000 generator, ensure the engine is turned off and cooled down. Onan QV4000 starting only by choke but then surging under. 1 1bosshog2 Registered Apr 28, 2016 #9. Filter #122-0833 has replaced filter #185-5801 and filter #185-5409. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Join the #1 RV Forum Today - It's Totally Free!. A042P619 Carburetor Carb With Gaskets Compatible with Onan 4000 …. Carburetor For Your Onan Generator">How To Choose The Best Carburetor For Your Onan Generator. A042P619 Carburetor Carb With Gaskets Compatible with Onan 4000 Cummins Generator & Microquiet 4000 Watt Replaces A041D736 4KYFA26100K 146-0785 4KYFA26100 Visit the RANSOTO Store 76 ratings | 4 answered questions $3299 FREE Returns About this item Compatible with Onan Cummins Microquiet 4000-Watt 4KYFA26100 4KYFA26100P. OnaMax Oil Update Cummins offers the new SAE10W-30 OnaMax™ oil for Onan RV gasoline and liquefied petroleum (LP) generators. Onan 4000 watt generator carburetor problem and replacement - YouTube 0:00 / 4:51 Onan 4000 watt generator carburetor problem and replacement Pioneer Photography 5 subscribers 4. Page 126 Remove the piston pin retainer from each side, heat the piston to 300 F (149 C) and push the piston pin out. Cost, with labor, around $950-$1000. If it's air-cooled they need to run a wee bit rich to aid in cooling. Video of the Day Step 2 Start. Onan: Onan Microquiet 4000 runs but spews fuel out of carb. Remove the carburetor mounting screws from the left side of the endbell. Onan replacement carburetor needed - iRV2 Forums > Mission Statement This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Search this Thread Display Modes Join the #1 RV Forum Today - It's Totally Free!. It took two tries, but I got it right the second time. These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. rate for reasonable efficiency and swapping. How to replace (or remove for repair)the carburetor on a Cummins Onan RV generator QG 4000 My Onan Generator Starts But Won't Stay Running - FREE REPAIR AND TROUBLE SHOOTING GUIDE 226K. Use a properly sized socket to remove the bolts holding the carburetor to the body of the generator's engine. This should clean out any garbage that has built-up over time and allow your carb to run better. To clean or replace the spark plug on your Onan 4000 generator, ensure the engine is turned off and cooled down. Carb on Onan 4000 - to be replaced. Just purchased a 96' Winnebago Itasca Spirit with 24,000 miles on it. Carburetor Carb With Gaskets Compatible with Onan ">A042P619 Carburetor Carb With Gaskets Compatible with Onan. Got back home and removed the old carburetor. Following a video, by the manufacturer Seafoam, it shows how to use a. Place the fuel line in and empty container. Onan QV4000 starting only by choke but then surging under ">Onan QV4000 starting only by choke but then surging under. To do the test, remove the fuel line from the carburetor. Step 6 Draw the carburetor away from its location, trying not to damage the gasket. BGD & BGDL Begin Spec F Replace # 146-0663 146-0577 146-0630. Onan 4000 RV OG Generator Carburetor Replacement. I guess it's time for a new carburetor. The simplest solution is to replace the clogged filter with a new one because washing isn’t a reliable solution. Subscribe to RV news! Use the full Product Finder to search or filter by product details. The dimensions of the Carburetor Carb with Gaskets for Onan Cummins Generator & Microquiet 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Replace# A042P619, A041D736, 146-0785 are 6. If there is no fuel flow, or if the flow seems very weak and thready, locate the fuel supply line. Note the highlighted letter code, in this case P, which denotes the specification type of the particular generator, which can then be referred to as spec P. but was wondering if they are available cheaper or rebuilt. I have an 18-month-old (2019) Onan 4000 KY (R) series gas generator that won’t run. QAZAKY Replacement for Carburetor Onan Cummins A041D736 Microquiet 4000 Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Generator Gator HPX 4X4 KY Series 146-0635 146-0703 146-0742 146-0759 146-0785 146-0803… View More Parts 4PK Air Pre Filter Kit Replacement for Onan 140-2628 140-2522 HE1402628 AM106953. ONAN QG 2800i / 2500i LP Frequency (Hz) 60. Fuel pump replacement Onan 4000 KY Mark Forums Read Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Press and hold the start button for about 10 seconds. To clean or replace the spark plug on your Onan 4000 generator, ensure the engine is turned off and cooled down. Filter #122-0833 has replaced filter #185-5801 and filter #185-5409. Removing carburator off a 4000 onan. Replaces part number: 146-0881.