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They may be thicker, but what is the quality of the steal?

Check a shop manual for proper valve adjustment. I think valves aren't supposed to be tdc when adjusted. I think there is a compression relief that holds the exhaust valve open a bit.

Did you try NAPA?

Sounds like there may be a collapsing fuel line or something in the gas tank blocking the fuel port, causing it to starve for fuel.

If you have the deck off, engage the pto and see if you can spin the drive pulley. If you can spin it, it's a faulty pto clutch.

Didn't understand what you did with the fuel solenoid. So, I'll just say, remove the solenoid.

I have 2 Hydro-Gear pumps on a Ferris Z 3100. Drove into garage to work on motor and now it won't move. Changed the hydro filter and fluid. The bypass valves are closed. Is there a need to bleed these pumps before they will pump? If so,how is it done? thanks, gregjo1948

Had no luck bleeding air from the system. Didn't help.

I have it jacked up and the wheels do turn in both directions but with no power. I can easily stop the motion with my hand. I'm going to try bleeding air from the system.

the bypasses are both closed.

The pumps are both turning as they should. They are not running the drive motors.

It would need to be a trick belt to get between the pulley and the fans. It is under the pump mounting deck.

The belt is fine. It's easy to see both cooling fans spinning.

working on an older IS3100 That I had to do some engine work on. Engine is repaired and running fine, but the machine won't move. It's been sitting since July 2022. Has the correct fluid in the pump reservoir and the releases are in the right position. It was driven to where it is sitting now...

I'd guess you aren't setting the valve lash correctly. Most small engines have a compression relief built into the cam. It opens the exhaust valve slightly and you may be adjusting the lash wrong.

Decided to replace the engine. What would be an easy replacement Kawasaki replacement? Rather go with air cooled. Shaft size 1 1/8" x 3 7/8" keyed.

How do you adjust the valves on this engine?

I pulled a head off this engine and wondered what the torque specs are for it.

Using the tool, I got it back in. thanks, gregjo1948

There was a bent push rod, and the valve was able to move as it should, so I pulled out the lifter.

Working on a Kohler twin, I think 26/27 HP. No ID numbers on it. It's in a Ferris IS3100 zero steer mower. I need to install the lifter on the number 2 head and having a hard time getting it in. Can't see back in the opening to align the lifter with the hole. Because there is such a fine...

I'm installing a head gasket and wonder if you know the torque specs?

I picked up a 61" Ferris Z with a Kawasaki liquid cooled engine. There is no ID tag on the engine. Wondered if it's the only liquid cooled engine that Kawasaki made? I need to get some parts for it and need to ID it to order parts. I have the serial and model #s on the mower. 2000701028 and...

I have a great deal of experience, but I might be a little short on patience.

Thanks for the replies, but I didn't need a dissertation on how a fuel solenoid works.

Working on a Kohler twin. No ID tag on it, but I think it's around 20/25hp. It starts up n,e fi but only runs about 15 seconds and quits. can restart immediately. Fuel pump working and getting spark to the plugs. Could it be a faulty fuel solenoid?

Thanks guys for your explanations. If the idle is set too low, could that also cause a gallop/surging?

Weak fuel pump.

What causes engine surging and how is it fixed?

I mostly work on Ferris mowers. Just trying to help out a friend on this JD. Solved the big problem about it quitting. RAN OUT OF FUEL. Gauge read 3/4 full. Wouldn't crank over because some DUMBASS didn't set the brake. thanks for the help, gregjo1948

thanks for the info

Deck is turned off. Going to bypass seat safety switch and motion control switches also. Looking in JD parts for this model shows a 30A fuse but I haven.t found it on this machine. Thinking may need to open panel under throttle/ignition switch to find fuse.(s)

JD Z960R was running as it should with its Kawasaki engine and then just stopped running. There was no sputtering or lurching, it just stopped. The ignition turns on the hour meter and the idiot lights, but won't activate the starter. I'm thinking it might have blown a fuse but I haven't located...

Do all these models have the same bore and stroke? All have hydraulic lifters? All have cast iron liners/sleeves? All carbureted, not efi? All 1 1/8" crankshaft? All vertical shaft? thanks, gregjo1948

I got in, to repair, a Ferris 3- wheel mower, model 5900701--serial 2012629507. It has a Kohler 2-cylinder engine with no ID tag on it. It has cast iron sleeves in the cylinders, hydraulic lifters, and it is carbureted. The cylinder bore is 3.263"(best I could measure). Can anyone identify this...

That certainly confused me. My clutch has the pulley away from the engine. Does that mean I need a ccw clutch?

When buying a new electric clutch, how is clockwise or counterclockwise rotation determined? thanks, gregjo1948

The electric clutch won't stay engaged. Is there any adjustment? thanks, gregjo1948

Have a IS1000 Z Ferris with a faulty safety switch on the right-side motion control lever. Has four wires and wondered if I can bypass that side and leave the left side operable. Or can I disable both of them. thanks, gregjo1948

Turned out that the pump was at fault. Replaced some parts and seems to be fine now.

Have one just like that. I usually just grab a screwdriver and leave my mark.

I didn't look for any marks to identify which way to install the cover. I just switched it 180 and that fixed the problem. Thank you for the help, gregjo1948

I don't believe I installed the cover 180 out, but I will check it to make sure. I don't really understand how it would run backwards. I didn't mark the cover before removing it and I reinstalled it the same as the cover on the other transaxle. Would the covers form right and left side be 180...

This transaxle is on a 61" Ferris FW35 walk behind. It has a single motion bar to move forward and a squeeze handle on each side of the handlebar to move rearward and to steer right or left. With the wheels off the ground, engine running, I've operated the motion control devices many times and...

Got the transaxle back together and mounted on the Ferris. It doesn't turn the wheel. Everything looked fine inside and I think the only problem was an oil leak which I fixed with the seal kit that I installed. Any ideas why the wheel isn't turning, would be appreciated. I found online that it...

Thanks, Lawn Addict

Working on a Hydro-Gear transaxle---ZJ-KMFE-3B5C-1PLX. Is there a rebuild kit for it? Where could I get a new one? thanks, gregjo1948

Surging fixed by adjusting governor.

Turned out that the pump was faulty. Got parts and repaired it.

49E877-0005 With a compression ratio of around 8.5 to 1, these engines don't need high octane gas.