grillo g 110
- Thread starter ppea
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Topzide
Platinum Member
Fuel pickup tube needs to be cleaned and water out of fuel. Ethanol fuel causes all types of problems! Clone carbs. Are a 50/50 shot of getting one to work. Use premium grade or non Ethanol fuel. To get pickup tube out, you'll need to modify a slotted screwdriver to get it out. Just grind down edges till it fits. This allows you to unscrew it. Good luck. Topzide
This Honda troubleshooting guide might help. http://www.ipspower.com/images/docu...buretor-Troubleshooting-Manual-Compressed.pdf
Hi ppea 
Congratulations on your new Grillo tractor!
My BCS 740 also has the Honda GX390 engine, and it has run without any problems for more than 230 hours since I got the tractor in the summer of 2011. I am therefore very surprised to read that you have had problems with your engine since day one.
I don't fully understand why you would think that a clone carburettor would be better than the original one? Considering the large amount of Honda GX-Series engines powering all sorts of equipment around the globe, the original carburettor seems to work well for most users.
As your engine is probably as new as your tractor, I would expect this to be a warranty issue? Have you had a talk with your Grillo sales/service person?
To diagnose your engine via this forum is of course difficult, but the fact that the engine surge at high speed and load, that the engine only stars when it is choked even when warm, and that a larger jet makes it run perfectly, all indicates to me that the engine is running too lean. Could it be, that an incompetent person at your Grillo store has adjusted the standard settings, and gotten it all wrong before delivering the tractor to you?
I hope you are able to get this issue fixed quickly, so you can begin to enjoy your new tractor.
Best regards
Jens
Congratulations on your new Grillo tractor!
My BCS 740 also has the Honda GX390 engine, and it has run without any problems for more than 230 hours since I got the tractor in the summer of 2011. I am therefore very surprised to read that you have had problems with your engine since day one.
I don't fully understand why you would think that a clone carburettor would be better than the original one? Considering the large amount of Honda GX-Series engines powering all sorts of equipment around the globe, the original carburettor seems to work well for most users.
As your engine is probably as new as your tractor, I would expect this to be a warranty issue? Have you had a talk with your Grillo sales/service person?
To diagnose your engine via this forum is of course difficult, but the fact that the engine surge at high speed and load, that the engine only stars when it is choked even when warm, and that a larger jet makes it run perfectly, all indicates to me that the engine is running too lean. Could it be, that an incompetent person at your Grillo store has adjusted the standard settings, and gotten it all wrong before delivering the tractor to you?
I hope you are able to get this issue fixed quickly, so you can begin to enjoy your new tractor.
Best regards
Jens
radios1
Elite Member
maybe a leaking intake gasket or improper valve lash on the intake valve..
I'd drain the tank and lines thoroughly before installing the new carb. You might have contaminated fuel, since your symptoms make is sound like a plugged jet or hole somewhere. You could have plugged the original, and then plugged the replacement using the same fuel. These new carbs are finicky and need clean fresh fuel.
I clean the fuel filter,change fuel,clean the carburetor 3 times, even i put a clone carburetor on it and run even worse with that clone carburetor.I don't know what could be.I have another gx 340 and runs perfect after 10 years.
Sevanje
New member
- Joined
- Feb 16, 2020
- Messages
- 24
- Location
- Slovenia
- Tractor
- Grillo G110 gx390, Same Delfino 35, Belarus 09h, Motorsich MB9DE
Is that counter-rotating tiller you are using?
Is it better than regular one, how is the Grillo behaving with it? One more question, have you managed to change the bolt mentioned before, what happened to it in the first place?
Is it better than regular one, how is the Grillo behaving with it? One more question, have you managed to change the bolt mentioned before, what happened to it in the first place?
Hi ppea
According to the original Honda Owner’s Manual, the valve clearance should be checked - and if necessary adjusted - every 300 hours. Based on that, it doesn’t sound right that your valves were out of adjustment after only 70 hours
This summer I passed 300 hours on my GX390, so I checked the valves for the first time. The intake valve was bang-on, whereas the exhaust valve had a clearance of 0.35 mm, or almost double the recommended 0.20 mm! Due to the excess clearance, the de-compression system hadn’t worked properly for the last perhaps 50 hours or so. In the future, I will check the valves more often.
Best regards
Jens
According to the original Honda Owner’s Manual, the valve clearance should be checked - and if necessary adjusted - every 300 hours. Based on that, it doesn’t sound right that your valves were out of adjustment after only 70 hours
This summer I passed 300 hours on my GX390, so I checked the valves for the first time. The intake valve was bang-on, whereas the exhaust valve had a clearance of 0.35 mm, or almost double the recommended 0.20 mm! Due to the excess clearance, the de-compression system hadn’t worked properly for the last perhaps 50 hours or so. In the future, I will check the valves more often.
Best regards
Jens
