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Related Small Engine Questions
I am looking for a carb rebuild kit (or complete carb) for
I am looking for a carb rebuild kit (or complete carb) for an Onan Marquis 7000. All I can find is for a Marquis 5500 … read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
Onan Marquis Gold 7000 generator cranks over but won't
Onan Marquis Gold 7000 generator cranks over but won't start. Starts but won't continue running with shot of starter fluid. … read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
Onan 5500 HGJAB-6755K. Runs perfect for 20 minutes then dies
Onan 5500 HGJAB-6755K. Runs perfect for 20 minutes then dies suddenly. Is getting fuel - spark plugs changed - oil level per youtube is at lower end of plastic rod - oil pressure switch replaced. Anot… read more
Expert
Expert
Engine will fire but not keep running. Everything you would
Engine will fire but not keep running. Everything you would think of was tried. … read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
Is a 4000 marquis and a 7000 marquis interchangeable Also i
Is a 4000 marquis and a 7000 marquis interchangeable Also i just cleaned the armature rings on the 4000 marquis and i believe that I put the brushes in the porcelain holders on upside down and tried t… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
Model 7NHMFA261060, ONAN MARQUIS 7000, its wasnt working found
Model 7NHMFA261060, ONAN MARQUIS 7000, its wasnt working found out carb was clog all up, toof and cleaned. Started right up worked the whole day. Came back out next day started right up ran for about … read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
I have an Onan Marquis Gold Genset 5500 model HGJAB that will
I have an Onan Marquis Gold Genset 5500 model HGJAB that will run and stop after 30 minutes up to 3hrs of running, but more frequently at times. I have changed the pump filter, installed the adapter t… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
7000 onan Marquis. Shuts down on its own after 10 minutes run
7000 onan Marquis. Shuts down on its own after 10 minutes run time. Thought it was the fuel pump. Still working. Fresh oil change. Taking cover off and blowing cool air on it, still shuts down. Plenty… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
My 1992 Pace Arrow RV has an Onan Marquis 7000 Model 7NHMFA2606C
My 1992 Pace Arrow RV has an Onan Marquis 7000 Model 7NHMFA2606C SERIAL B920450470. It has a full tank of gasoline, with no load on generator, fuel pump runs during a stand-alone test, unit starts & r… read more
mx4life158
mx4life158
polaris tech
Vocational, Technical or Trade Scho
10 satisfied customers
Okay Im lost. 10 year old Onan Marquis 7000, Gas Model BGM/NHM.
Okay I'm lost. 10 year old Onan Marquis 7000, Gas Model BGM/NHM. Will not stay running. At The start the unit would run for 25 minutes then quit, The restart would last only a few seconds. After a coo… read more
Rex L.
Rex L.
Vocational, Technical or Trade Scho
82 satisfied customers
i have a onan marquis 7000. sat for 3months started it and
i have a onan marquis 7000. sat for 3months started it and knocked . sounded like a loose rod. is this commmon and how hard to repair? onit has 5.500 hrs thanks ron… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
I have a gas operated Onan in my motor home and it will not
I have a gas operated Onan in my motor home and it will not start. I have unhooked the gas line at the carb and it does not pump gas out when turning over the generator. Also the carb is a new one ins… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
i installed a onan 7000 gold in my racecar trailer turns
i installed a onan 7000 gold in my racecar trailer turns over gettin fuel to carb but want start… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
I have a 96 bounder w/onan Marquis 7000 model #7NHMFA26106C.
I have a 96 bounder w/onan Marquis 7000 model #7NHMFA26106C. A month ago I started the generator and it ran very sluggish for about 5 min. and would not start again. I started my generator yesterday a… read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
MY ONAN 7000 GENERATOR WILL ONLY STAY RUNNING WITH A BIG LOAD
MY ONAN 7000 GENERATOR WILL ONLY STAY RUNNING WITH A BIG LOAD ON IT. SOMETIMES IT STILL CUTS OFF. I CHECKED THE GROUND WIRE ABOVE THE GEN (IN THE CONNECTOR BOX). IT LOOKED GOOD. IT IS A ONAN 7000 NHM … read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
I have an Onan Marquis 7000, the model is 7NHMFA26106D, that
I have an Onan Marquis 7000, the model is 7NHMFA26106D, that has been in storage for several years. I suspect that I need to disassemble and clean the carb before starting. Probably need to check out … read more
Hank F.
Hank F.
Technician
17,607 satisfied customers
onan gen set will run for a hour ish then runs out of fuel
onan gen set will run for a hour ish then runs out of fuel and wont restart for 4-5 hours , coach fuel tank is 3/4 full… read more
Tech4you
Tech4you
Electrician/Mechanic
Associate Degree
I have an Onan Marquis, 7000, gas, generatori, in a 98 motorhome,
I have an Onan Marquis, 7000, gas, generatori, in a 98 motorhome, that has always performed flawlessly. Now, when I start it, either in the coach, or at the generator, itstarts instantly, but dies as … read more
Tech4you
Tech4you
Electrician/Mechanic
Associate Degree
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