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Kubota T1880 won't start

#1

P

Pat M

I had previously posted about water in gas but it might be oil in gas (see previous post with pictures).
I drained the gas out, just opened the carb today & dumped the gas with oil or water in it out (see past picture).
How to remove the main jet for cleaning (pic #5)? Since it does not have the grove for the screw driver.
I had to repair some wiring because it's too short & came apart or broke off.
I bought the carb on AMZ 2 yrs ago (pic #1 - old one on L, new one on R) but didn't use it because the new one does not have 2 connections (see pic #1 with 2 circles, could I still use the new one without these 2 outlets?) but the repair guy use the bottom part of the new one with the old carb (I removed the pin on the old one, pic #6 because one of the youtube video said I can remove it if it's malfunction. I don't know it's malfunction or not).
I also just realize that the carb (& the filter box, pic #3 & 4) is smaller than the old hole & someone use bolt on the right side which is too short. So I ordered the steel rod on AMZ & use it on the right side & add one to the original (right) hole so it's more stable because the rod in the middle does not attached to anything.
After I opened the carb & drained the gas, it still won't start, just crank.
What else should I do or investigate?
I'm new to small engine & learn some from YouTube.
I'm also female who does not have background in the repair, mechanical, etc.
I paid enough money to have my equipment repair.
I need to learn all these since the thieves will keep sabotage my equipment every year, many times a year.
They sabotage my A/C system, my riders, my pressure washers, my robotic mower, etc.
They also stole a lot of my stuff & it still going on.
It seems like they are pretty smart more than many intelligent person because I never caught them on tape, alarm never go off.
They can beat or by pass the security cameras (lots of cameras), alarm system with motion sensors, contact sensors, smart locks, etc.
I need help in many ways I can.

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#2

P

Pat M

Pat M said:
I had previously posted about water in gas but it might be oil in gas (see previous post with pictures).
I drained the gas out, just opened the carb today & dumped the gas with oil or water in it out (see past picture).
How to remove the main jet for cleaning (pic #5)? Since it does not have the grove for the screw driver.
I had to repair some wiring because it's too short & came apart or broke off.
I bought the carb on AMZ 2 yrs ago (pic #1 - old one on L, new one on R) but didn't use it because the new one does not have 2 connections (see pic #1 with 2 circles, could I still use the new one without these 2 outlets?) but the repair guy use the bottom part of the new one with the old carb (I removed the pin on the old one, pic #6 because one of the youtube video said I can remove it if it's malfunction. I don't know it's malfunction or not).
I also just realize that the carb (& the filter box, pic #3 & 4) is smaller than the old hole & someone use bolt on the right side which is too short. So I ordered the steel rod on AMZ & use it on the right side & add one to the original (right) hole so it's more stable because the rod in the middle does not attached to anything.
After I opened the carb & drained the gas, it still won't start, just crank.
What else should I do or investigate?
I'm new to small engine & learn some from YouTube.
I'm also female who does not have background in the repair, mechanical, etc.
I paid enough money to have my equipment repair.
I need to learn all these since the thieves will keep sabotage my equipment every year, many times a year.
They sabotage my A/C system, my riders, my pressure washers, my robotic mower, etc.
They also stole a lot of my stuff & it still going on.
It seems like they are pretty smart more than many intelligent person because I never caught them on tape, alarm never go off.
They can beat or by pass the security cameras (lots of cameras), alarm system with motion sensors, contact sensors, smart locks, etc.
I need help in many ways I can.
Click to expand...
I opened the carb, there's some water in the gas. So I started the engine & get gas out of the line (before the carb). I think the rest is the new gas that I put it in. It started with the starting fluid for 1 sec & stop.
Does it mean I need to clean the carb?
Can I use the new carburetor (pic #1 above, the one on the R)?
I assume the 2 missing ports are for the "air".


#3

P

Pat M

These are the gas that I got it out today, it looks like all the bad gas out.
Need advice & suggestion what to do next!!!
Clean the carb?
Use the new carb without 2 ports?
???

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#4

kbowley

kbowley

First, you need to purchase the OEM carburetor, not the cheapy Chinese ones that NEVER work correctly. I have no idea why they sell them; the reviews are all fake posted by employees or distributors. If you wish to fix it correctly, go to your nearest 'bota dealer and order the correct carburetor and bolts.


#5

P

Pat M

kbowley said:
First, you need to purchase the OEM carburetor, not the cheapy Chinese ones that NEVER work correctly. I have no idea why they sell them; the reviews are all fake posted by employees or distributors. If you wish to fix it correctly, go to your nearest 'bota dealer and order the correct carburetor and bolts.
Click to expand...


#6

P

Pat M

It might be a few hundred dollars & the thieves still keep sabotage my equipment so I have to keep spending the money on parts & repair.


#7

R

Rivets

Definitely water in the fuel in glass jar. I would be draining all fuel and start over with fresh.


#8

kbowley

kbowley

Okay, I had a closer look at your pics and saw several things that are incorrect. First, the wire coming out from top of the cylinder is the "hot" wire for the solenoid on the bottom of the carb and you have it connected to the stud. The black ground wire goes to where you inserted that threaded rod to the right of the carb, which is supposed to have a 10mm bolt that screws in but no matter since you cut the plunger off the solenoid. Simply cut the ends of the wires off and put some electrical tape on the end of the hot wire coming from the engine and leave the solenoid disconnected. You installed the solenoid from the new carb on the old carb so you will need to cut the plunger off that one as well. The new carb will not work, so just clean the original one. The main jet is not removable, simply spray some carb cleaner through both "tubes" in the center hole as well as through the rear carburetor jet holes. Soak it in some hot water with dish soap and let it set for an hour then blow some carb cleaner through it again. The rod coming to the throttle is bent and needs to be straightened correctly. There is a plastic insert in the throttle shaft hole that is slotted so the "z" in the rod must line up with the slot to insert it correctly. Here is a video that may help;


#9

P

Pat M

I drained most of the gas out (from the glass jar on the R) & put it in the tuna can (very little gas, mostly the liquid from the bottom).
I burned it as one person suggested it to me in the previous post. It's all burn up (at least 5 mins or more) & container is empty/dry!!!

What is it?
Water should not burn!!!
Oil?
Kerosene?
XXX???

P.S.: Sorry, English is my 2nd language!!!

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#10

P

Pat M

kbowley said:
Okay, I had a closer look at your pics and saw several things that are incorrect. First, the wire coming out from top of the cylinder is the "hot" wire for the solenoid on the bottom of the carb and you have it connected to the stud. The black ground wire goes to where you inserted that threaded rod to the right of the carb, which is supposed to have a 10mm bolt that screws in but no matter since you cut the plunger off the solenoid. Simply cut the ends of the wires off and put some electrical tape on the end of the hot wire coming from the engine and leave the solenoid disconnected. You installed the solenoid from the new carb on the old carb so you will need to cut the plunger off that one as well. The new carb will not work, so just clean the original one. The main jet is not removable, simply spray some carb cleaner through both "tubes" in the center hole as well as through the rear carburetor jet holes. Soak it in some hot water with dish soap and let it set for an hour then blow some carb cleaner through it again. The rod coming to the throttle is bent and needs to be straightened correctly. There is a plastic insert in the throttle shaft hole that is slotted so the "z" in the rod must line up with the slot to insert it correctly. Here is a video that may help;
Click to expand...
" you have it connected to the stud"
- that's how the 1st repair guy did, he's using the new solenoid & he attached it to the stud so I followed how he did it.


"The black ground wire goes to where you inserted that threaded rod to the right of the carb, which is supposed to have a 10mm bolt that screws in but no matter since you cut the plunger off the solenoid."
- I don't understand it, LOL. (as I mentioned, I have no background in all the repair, I just started learning from YouTube). Most of the time, I don't even know the parts' names.


"Simply cut the ends of the wires off and put some electrical tape on the end of the hot wire coming from the engine (#1) and leave the solenoid disconnected. You installed the solenoid from the new carb on the old carb so you will need to cut the plunger off that one as well." (#2)
- (#1) So you don't want me to use electric wiring (cap it off at the end), correct?
- (#2) So I can use the old solenoid which the plunger already has been removed (since we are not going to connect any wirings, correct?)

The new carb will not work, so just clean the original one.
The main jet is not removable, simply spray some carb cleaner through both "tubes" in the center hole as well as through the rear carburetor jet holes.
- I don't know "the rear carburetor jet holes is/are"

Soak it in some hot water with dish soap and let it set for an hour then blow some carb cleaner through it again.
- I soaked the carb in hot water for a little over 30 mins, 3 times, & let it sit in the sun a little bit. Then spray it with carb cleaner, & put it back (not complete setup).

I disconnect the hose before the carb & put the glass jar under.
Then I started the engine, the gas that came out still had a little contamination in it. It's hard to see in the picture

What should I do to make sure that I clean it completely out of the system?


#11

P

Pat M

I disconnected the gas line under the tank but no gas coming out (I opened the gas cap also).
I used the pump to pump out the gas from this disconnect gas line under the shut of valve to the gas line before get into the carburetor & the gas is bad. I knocked out 3/4 of it so not much left to show (gas jar).
Then I pumped out the gas in the tank, it looks good. I can use the filter the gas before I put it back in the gas tank.
The thieves stole my 1st fuel filter that I purchased in 2022 after they sabotaged this riding mower & pressure washer. A couple months later, they stole this fuel filter so I had to buy another one.
There are still some gas left in the tank.
Why the gas does not drain out when the shut off valve in the open position?
I hope that these thieves are NOT the members of these forum.
Should I buy the premium gas to use on the riding mower & pressure washer?
Still need advices.

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#12

P

Pat M

I put the gas line by the gas tank back & started the engine.
The gas that came out before the carb line looks good.
I hooked it up to the carb.
It will start with the starting fluid for 1 sec., I'm sure that the carb is good & clean.
I'm sure that the gas in the tank should be enough to run the rider.
Does it mean the engine did get enough gas to run?
What else is the problem?
Help!!!

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#13

kbowley

kbowley

Pat M said:
I put the gas line by the gas tank back & started the engine.
The gas that came out before the carb line looks good.
I hooked it up to the carb.
It will start with the starting fluid for 1 sec., I'm sure that the carb is good & clean.
I'm sure that the gas in the tank should be enough to run the rider.
Does it mean the engine did get enough gas to run?
What else is the problem?
Help!!!
Click to expand...
Pat, respectfully, I recommend that you take the machine to a local small engine repair shop with a good reputation. Do not use that old gas, do not store gasoline in a glass jar. I am not going to be able to resolve the many issues you have with your level of knowledge. Please, bring it to a competent repair facility to be repaired correctly. Do not bring it to the place that previously worked on it as it is obvious they are incompetent.


#14

P

Pat M

kbowley said:
Pat, respectfully, I recommend that you take the machine to a local small engine repair shop with a good reputation. Do not use that old gas, do not store gasoline in a glass jar. I am not going to be able to resolve the many issues you have with your level of knowledge. Please, bring it to a competent repair facility to be repaired correctly.
Click to expand...
I prefer someone to come to my house because it's a rider, plus I would know what they do to repair so I can learn.
If it's a push mower, I can bring it to them
It works fine before I put the tainted gas in.
I had it service every year because they sabotaged my rider, more than once/ year.


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