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Related Small Engine Questions
My 420 deere onan engine starts good but quits spark to
my 420 john deere onan engine starts good but quits spark to right cylinder after just a couple minutes. I have replaced spark plugs- wires- coil. let it set for about ten minutes and runs fine again … read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
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On initial start up, it requires 30 amp. From a batt chgr to
on initial start up, it requires 30 amp. From a batt chgr to turn engine over.starts and runs ok … read more
Donald
Donald
Owner / Technician
High School
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I have a 318 Onan Deere which i have renewed this year. The
I have a 318 Onan John Deere which i have renewed this year. The starter is new, the ring gear also, but still have trouble engaging the starter. It requires several key turns be it engages. My wife l… read more
JON
JON
Master Service Tech
MASTER SERVICE TECHNICIAN
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I have a Deere 318 garden tractor with an Onan engine P218G.
I have a John Deere 318 garden tractor with an Onan engine P218G. I downloaded a manual for the Onan Engine P218G. The manual says that the torque for the cap screws on the P218G intake manifold is 53… read more
JON
JON
Master Service Tech
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I have a Lincoln ranger 8 welder with an Onan 16 engine.It
I have a Lincoln ranger 8 welder with an Onan 16 engine.It has been sitting for a very long time with out running. I thought I had run all the gas through it so I would not have problems when I needed… read more
Curtis B.
Curtis B.
Technician
Associate Degree
33,136 satisfied customers
I have a Deere 5210 tractor-2.9 litre, power tech diesel.
I have a John Deere 5210 tractor-2.9 litre, power tech diesel. Just noticed a little leakage from the head. I am planning on pulling the head off. Engine never overheated. Would you recommend taking t… read more
JohnF2015
JohnF2015
High School Diploma
2,750 satisfied customers
I have a John Deere Gator with a BG 18hp v twin. It only has
I have a John Deere Gator with a BG 18hp v twin. It only has 100 hours. The engine has a lot of blow by if I pull the dipstick and it surges at idle.I wont stay running unless I pull the choke. I dont… read more
Curtis B.
Curtis B.
Technician
Associate Degree
33,136 satisfied customers
I have a 420 john deere has 13 volts @ btry only 7 volts
I have a 420 john deere has 13 volts @ btry only 7 volts to pto....btry light off but on when am on seat all safety switchs wrk. lost all power but able to get and start eng.… read more
Expert
Expert
I have a 420 John Deere with an Onan engine. When I turn the
I have a 420 John Deere with an Onan engine. When I turn the main adjusting screw all the way in, it doesn't change the engine any. I took the carb off,took it all apart and soaked it in brand new car… read more
Ranwell1
Ranwell1
CEO
High School or GED
4,768 satisfied customers
HELLO IVE BEEEN TALKING WITH CURTIS B ABOUT MY LAWN MOWER JOHN
HELLO IVE BEEEN TALKING WITH CURTIS B ABOUT MY LAWN MOWER JOHN DEERE LA 125 BURNING OIL. HE SUGGESTED I TALK WITH ONE OF THE YOUNGER GUYS ABOUT MY PROBLEM.… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I have a 1985 John Deere 420 garden tractor with a 20 hp Onan
I have a 1985 John Deere 420 garden tractor with a 20 hp Onan engine. It was running OK but now won't idle very low and the engine surges. The governor arm seems to be moving properly and the linkages… read more
Curtis B.
Curtis B.
Technician
Associate Degree
33,136 satisfied customers
I have a john deere 1981 420 john deere with a 20hp onan this
I have a john deere 1981 420 john deere with a 20hp onan this thing will not start without cranking until the battery is almost dead Not a fuel problem more ingition backfires sometimes when you let o… read more
Hank F.
Hank F.
Service Technician
High School or GED
1,539 satisfied customers
I have either a B48G or P220G in my lawn mower. Recently a
I have either a B48G or P220G in my lawn mower. Recently a problem came up with the govornor. It will allow the engine to over rev very quickly. What is strange is that it worked just fine when I shut… read more
Hank F.
Hank F.
Service Technician
High School or GED
1,539 satisfied customers
Hello, My g100 john deere decided it wouldnt start. We took
Hello, My g100 john deere decided it wouldn't start. We took the filter off and saw a silver shot in the pan. I believe it must have came out of the carberater. What should we do? Thanks… read more
Chris Huber
Chris Huber
President
Vocational, Technical or Trade Scho
47 satisfied customers
Dear Sir I have a john deere garden tractor with a two cylinder
Dear Sir I have a john deere garden tractor with a two cylinder onan engine and just recently it has started misfiring,popping and backfiring in the exhaust, i have cleaned the carburetor and used com… read more
RUSS
RUSS
SERVICE TECHNICIAN
Vocational, Technical or Trade Scho
1,723 satisfied customers
Hi, I have a 1987 John Deere 318 with the Onan engine. It is
Hi, I have a 1987 John Deere 318 with the Onan engine. It is amazing. The engine oil gets very black and after using the machine, my clothes smell like old oil. I assume my engine is showing signs of … read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
I have an Onan 20 HP perfomance engine S/N I903730347 mounted
I have an Onan 20 HP perfomance engine S/N I903730347 mounted in a John Deere Model 420 Garden tractor. I am getting Gas into the crankcase. What could be the cause??… read more
The Home Smithy
The Home Smithy
Home Improvement Repair Consultant
Vocational, Technical or Trade School
7,358 satisfied customers
Hello, I am trying to find a replacement engine for an onan
Hello, I am trying to find a replacement engine for an onan engine the model # XXXXX XXXXX\4234D. The Serial # XXXXX XXXXX What engine will work for replacement.… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

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have worked on and around most engine models for 35 yrs./Polaris ATV expert

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Rick

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Jon K.

Jon K.

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James W

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Vince O.

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Over 30 years experience repairing lawn and garden equipment. Chainsaws, mowers,blowers and trimmers

Wayne

Wayne

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many years on egine rebuilding, lawn mower,roto tiller,Truck,and small engines

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