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Engine Starts Runs for alittle while revs up and down

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I have a Robin eh 34 engine in a Simpson power washer. The engine starts and runs but wont rev much past a fast idle. Carb has been cleaned thoroughly. gas is fresh. Suggestions


Butch if carb was good and clean and linkages were re installed properly including governor, it is possible the throttle tab/lever (what linkage hooks to) is loose on the shaft that opens the throttle butter fly. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

DIY Tecumseh Snowblower Carburetor Throttle Shaft Lever Repair PART 1

Apr 13, 2016 | Simpson PS2600 PowerShot Commercial-Duty...

1 Answer

Pump will not unload.


Hi if it stop when the trigger is pulled the issue is with the motor.
stopping is caused by , low revs on motor or low compression or poor spark, sometimes faulty carby.
change spark plug , adjust valve ( when valve has some slight side movment it is ok if up and down , it should be tighter (valves usually under side cover near top ) increase revs a little ( make sure revs dont get rough when running high) set max revs to when the engine still runs smoothly at max.

Mar 30, 2014 | Delta Model DT2400CS Pressure Washer 5.5HP

1 Answer

Engine revs up down while in idle


check carby for missing spring or damage

Mar 19, 2014 | Pressure Washers

1 Answer

Northstar Pressure washer starts and runs but dies when throttle is opened up


is this a v-twin engine or has the unit been stored for quite some time with fuel in carburetor.inspect fuel jet and tube for restriction.

Jul 28, 2013 | Pressure Washers

1 Answer

Idle problem


There is an arm that runs from the governor arm to the carb. There should be a long spring on this to even out the revs. If that has come off it can cause similar problems. If you have checked/reset the governor arm on the pinion that comes out of the crank housing and the spring is in place I would think the only other problem is the actuator that operates the governor arm pinion internally. It is a strip down job to check it, but there is a (plastic?) cog that runs of a gear on the side of the crank shaft. This has a weighted pusher that moves with engine speed to move the governor arm. I have seen a couple of engines where there is wear and the weights have popped over the 'top hat' pusher stopping it moving freely and causing full revs. If you're not confident in stripping the crank casing down (you can leave the piston and crank in place to check the governor mechanism) then you should definately take it to a dealer or experienced technician.http://www.honda-engines-eu.com/engines/PartSelection.jsp?model=GX390K1&type=BJ&npl=10ZF601%20&lang=EN
Position 9 is the governor assembly.

Jan 11, 2012 | Pressure Washers

1 Answer

Power washer will run fine for about 30 to 40 minutes then stalls, I wait a few minutes and starts but it runs rough and stops.


Sounds like a fuel problem eighter a filter or you have debrie in your fuel tank thats cloging the inlet from the tank to the carburtator . Its that or a problem with the water pump . That could also be clogging and putting exesive back prressure on the engine shaft causeing stalling . What dose your water flow look like do you loose that first before the engine starts to bog down or dose the engine go first and the pressure follow . Also do you winterize the mechine i owen and repair many washers if you need more info you need to give more pier_j

Feb 20, 2011 | Dewalt DPH3100 Gas Pressure Washer

1 Answer

Engine starts no problem cuts out when you try to rev


whats happening is its running out of fuel . what you wanna do is clean out the carb and check fuel lines for cracks

Jan 07, 2011 | Honda 8 HP Engine

1 Answer

Karcher 2600 (Honda engine) has lost pressure.


Dear Modad,
First one must see if the problem is in the Honda engine or in the pump. So you must try the Honda with no load. You can remove the gun from the pump, but leave the water supply going into the pump. In this way you still have some cooling effect from the water. Now with no load you try the Honda engine. If it is possible tune and set the Honda engine to work correctly. Now if the Honda runs smoothly,...then the problem is in the pump. Regarding the pump try the system by attaching the gun with no NOZZLE/ or LANCE. Open and close the gun to see reaction of Honda Engine. If in this case the Honda runs OK....then attach a NOZZLE so that you have pressure and load. If the Honda starts to die down, this could be that the Honda needs servicing. This like having a car and uphill it will stall and dies down. Here the engine needs servicing. One small thing to look for. I came across Honda driven pumps which have a cable coming from the Honda's carbureter to the head of the pump. When the gun is released the cable is pulled from the head of the pump by means of a piston type valve and this in turn will reduce the speed of the Honda. As you see it is difficult for me to pinpoint the real cause when I do not know the model number and type of pump you have. But if you go by these guide lines you shuld find the fault. Remember...ALWAYS try HONDA ENGINE without load first. I also wish to add that the Honda could be working OK...but then the pump has some problem that it is stopping the Honda. So the pump could also for some reason be jammed and this needs the pump to be serviced. Another hint is very simple. If the Honda is not getting to its maximum power and revs...then the pump will drop pressure.
I gave you various hints to tackle the problem by simple elimination. But you must be able to know how to service the Honda or Pump yourself. To repeat and remind you...check the honda and service the Honda with NO LOAD!! Thyen tackle the PUMP.
Regards,
Fulltech.

May 23, 2009 | Karcher 2500 PSI Pressure Washer

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