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I have a Honda GX390 engine on a pressure washer. When I
Hi I have a Honda GX390 engine on a pressure washer. When I test for compression, I get 60PSI. Can it start with that or can I try and adjust valves to get more pressure. If so can you please explain … read more
Curtis B.
Curtis B.
Technician
Associate Degree
16,214 satisfied customers
Got Honda gx390 on a hotsy pressure washer. Would not stay
Got Honda gx390 on a hotsy pressure washer. Would not stay running. I just replaced the carb. 3 bolts gasket no probs. Started second pull. New carb has a main jet adjustment screw does not change any… read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,943 satisfied customers
My helper over filled the oil in my pressure washer 126 t
My helper over filled the oil in my pressure washer 126 t 6.75 Briggs now lets back up ran for one minute blew smoke had him shut it down changed the oil replaced the air filter and plug now still sta… read more
Donald
Donald
Owner / Technician
High School
5,810 satisfied customers
I have a &S 445677/0413 E1/04123YB engine on a riding
I have a B&S 445677/0413 E1/04123YB engine on a riding tractor that was brought in to me with a problem of running only on one cylinder, which was caused by VLV guide problems which in turn apparently… read more
JohnF2015
JohnF2015
High School Diploma
2,750 satisfied customers
Have a Honda GX390 on a pressure washer that shuts off after
Have a Honda GX390 on a pressure washer that shuts off after 10 to 20 minutes.The following has been performed; serviced the motor, new plug, air filter, and oil change. Clean out and install carburet… read more
Curtis B.
Curtis B.
Technician
Associate Degree
16,214 satisfied customers
Honda generator MGH7000C with GX390 engine. Owned since 1998
Honda generator MGH7000C with GX390 engine. Owned since 1998 only 90 hours on meter. Whenever I am not using it for a while, I turn off the fuel valve and drain the sediment cup and let it run til it … read more
Hank F.
Hank F.
Service Technician
High School or GED
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I have a honda gx390 that runs a compressor on my truck, It
i have a honda gx390 that runs a compressor on my truck, It started stalling out to day, cleaned fuel bowl and parts of carb that did not require readjustment if removed. Also changed plug. noticed ab… read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,943 satisfied customers
My TB22 EC trimmer is very hard to start and will only run
My TB22 EC trimmer is very hard to start and will only run when choke is in position #2. Will not run when moved to position #3. New plug installed, air filter cleaned and use only Ethanol Free Fuel 4… read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,943 satisfied customers
I have a honda GX390 presure washer, When I took it to my fathers
I have a honda GX390 presure washer, When I took it to my fathers it tipped over in my trailer. So far I have removed and cleaned the air filter; carb and carb catch cup all of those are clean or repl… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
Honda gx 240 started running rough and backfiring. Eventually
Honda gx 240 started running rough and backfiring. Eventually got to a point where it wouldn't run at all. Checked and cleaned spark plug. Removed and cleaned out gas tank and filter and fuel line. Pu… read more
Jon K.
Jon K.
Small Engine Diagnostic Expert
Some College, military training,
2,995 satisfied customers
my model TS415CS will not run at high speed. Ive cleaned the
my model TS415CS will not run at high speed. I've cleaned the tank, lines and disassembled the carb, also using fresh fuel. Before I order a new carb is there anything I'm missing? Replaced the plug t… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
November 29, 2010 Craftsman Chain Saw Model 358.350811,
November 29, 2010 Craftsman Chain Saw ModelNNN-NN-NNNN 18” According to Sears it is manufactured by Poulan/Weedeater and an equivalent Poulan/Weedeater model is P4018WTL Chain saw won't start. Rarely,… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
I have a sears snow thrower that will not stay running starts
I have a sears snow thrower that will not stay running starts for a few seconds and shuts off .Carb has been disassembled and cleaned and adjusted 1 1/4 low speed 1 1/4 high speed cant keep it running… read more
Jon K.
Jon K.
Small Engine Diagnostic Expert
Some College, military training,
2,995 satisfied customers
I have a Ryobi strimmer PLT 3043 YE which starts but the
I have a Ryobi strimmer PLT 3043 YE which starts but the motor races and then cuts out, can you help please?… read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,943 satisfied customers
My honda gx340 has a new spark plug and electronic igniti
My honda gx340 has a new spark plug and electronic ignition and I have spark at the plug. I have cleaned rust out of the gas tank and have cleaned the carborato. The motor will not start. The electron… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
25,572 satisfied customers
I have a Troy bilt trimmer TB10CS and it will only run at high
I have a Troy bilt trimmer TB10CS and it will only run at high speed for 10 or 15 seconds and then stalls out. It takes awhile to get it started and after idling and warmed up, I pull the throttle and… read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,943 satisfied customers
I have a Honda powered pressure washer model #GX390 13.0 h.p.
I have a Honda powered pressure washer model #GX390 13.0 h.p. it will run under load for about 5 mins., then the choke auto shuts down...check the oil,looks good..HELP!!… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
I have a Honda GX390 13 hp motor. I am installing the motor
I have a Honda GX390 13 hp motor. I am installing the motor in a golf cart. My question is, I need to do away with the gas tank on the motor and run it off the cart gas tank. It will have to have a fu… read more
CJBennett
CJBennett
Owner of Power Equipment Shop
Vocational, Technical or Trade Scho
476 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

16,214 satisfied customers

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

Rick

Rick

Factory Authorized Trainer

4,218 satisfied customers

Outdoor Power Equipment technical trainer since 1990, covering eight states.

Jon K.

Jon K.

Small Engine Diagnostic Expert

2,995 satisfied customers

Gold certified Stihl tech, Service Manager for a rental/repair shop.Certified in most small engines

James W

James W

Small Engine Troubleshooting Expert

2,986 satisfied customers

7 years as Mechanic & Parts Manager for Brother who has Owned Lawn & Garden Repair shop for 35 years

Vince O.

Vince O.

Small Engine Technician

2,943 satisfied customers

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

Wayne

Wayne

Engine Rebuilder

2,108 satisfied customers

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

RUSS

RUSS

SERVICE TECHNICIAN

1,723 satisfied customers

28 YEAR SERVICE TECHNICIAN

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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