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I suspected such. Your low idle issue right now is with the mechanical linkages and not the engines governor. First: You are going to have to get the linkages to go to idle without the governor. Something is wrong not giving you complete low end idle travel as it should????? You might try...

As the clutch is depressed towards the front the drive belt slacks. As the clutch comes back the motion drive belt tension increases. (because the spring loaded clutch idler pulley moves into the belt) Agree that in your video something appears too loose or to much slop in the clutch/brake...

See pg 24 of your owners manual. Here is a link to download a owners manual for that rig. https://c.searspartsdirect.com/doc/L0912322 The reason the clutch has lots of slack/play is the drive belt is worn which results in the clutching idler have to move too far to take up the slack. The more...

You mentioned changing the carb. Not likely the carb with the symptoms you said. Them Briggs twins only used two types of carbs a 3 screw and a 4 screw and this referred to the fuel pump on the front of the carb. Kit for the carb same for both, just had to get correct kit for the fuel pump. Not...

Couple questions: Can you hold the carb linkage at idle and get a slow idle? (I'm talking about holding the carb shaft against the idle set screw) Next: You mention that yours runs at high rpm even with the dash control set at slow. If so you have a throttle plate control problem instead of a...

OLD thread!!!!!!!!!!!!!

I'm just saying that those wheel standing, neck jerking, jack rabbit starts on some riding lawn mowers is the drive belt instantly grabbing even as the clutch/brake is slowly released, not the brake releasing all at once. You can either do as I suggested to the drive belt or completely...

I felt your pain about those neck jerking, wheel standing jack rabbit starts with several of the Lawn tractors models as the brake/clutch pedal is let off. Really aggravating and just the nature of the beast on some. What I've noticed it's USUALLY not the brake releasing quickly but is the...

Just to clarify when I remove springs from governor arm the engine should go to idle?? YES Just to clairfy. If it will not go to idle (or slower RPM's) with the governor spring removed or the governor disabled, this throttle control problem lower rpm needs to be repaired BEFORE addressing the...

I've seen that same thing and more stuff just as bad on a really nice onan engine. (as one example of several) The wrong plugs had been run so long that I had to chase the threads for the longer reach plug threads due to carbon build-up. Engine was on a really nice looking Case 448 that I...

Are you indicating it's now fixed??? Reason I ask is what you mention that you found with the fuel solenoid and PTO wiring does not appear logically to cause a starter solenoid to energize in run position of the correct ignition switch. Have to agree that would be rare failure and fix.

That Honda engine is normally a good long term engine with just little bit of TLC, especially changing the oil and replacing the oil with the proper type. If the engine is smoking at normal oil levels it's probably worn out due to neglect due to not changing the oil. Why because on some of the...

???? I would probably search for a download a owners manual and parts list and review if the brake does not operate. Owners manuals usually have pictures and adjustment procedures. (and brakes are usually wimpy operating on LT Models)Brakes just kinda slow down the LT machine when on flat...

Where are you going to find a NLA Walbro LMT carb? Just a heads up notice: The part numbers you see listed will not be a genuine Walbro, it's a NIKKI replacement. You can see such by looking at the pictures of the carb. The Amazon prime Micki carbs (Micki Mouse) are China clones and free...

I just cannot trust them RER standing up by themselves when I'm working on them. I remove the battery and gas and lift them with a chain hoist or a cherry picker and leave the hoist connected as a safety. Stay Safe..

I take little bit of extra care in this area especially if the engine has a surging and hunting issue. (and a dreaded Nikki carb) I use the gasket over the o-rings, but I've also used the gasket W/O the o-rings. If I have no new flat gaskets available I make the manifold gaskets myself. I trust...

Strange but true. I've seen auto and lawn tractor Batteries accidently charged up reverse polarity. I've had to install a load such as a lamp bulb or headlight and drain/discharge them completely and sometimes re-charging with correct polarity they will be ok for a while, but it usually...

Take a look at this video for a engine model same as yours. This guy is making the static governor adjustment. (opposite of the recommended procedure) 422707-1275-1 Setting governor for Briggs L Head opposed twin 18hp Keep in mind that the governor shaft only moves approx 90 degrees or less...

Does the engine crank over? (or everything just seem dead)

A hint that yours will not idle with the engine running is you say the carb throttle shaft still feels strong spring pressure even with the engine not running and the on dash speed control set to low idle.

With the engine not running. I looked a couple of my opposed twins full open throttle and full closed throttle. full open throttle on the dash = (can feel the throttle lever shaft at the carb slightly forceful spring loaded to full open and some force required to force it too go to the idle...

Have you looked at the Briggs and Stratton L-Head OPPOSED TWIN service manual 271172? You can find one on-line to review the Governor settings and look at carb/gov linkages, adjustments, pg 54-69

The compression release is on the intake valve. It dumps some compression when the piston is just before TDC if the intake valve lash is .003-.005 with the piston 1/4 inch past TDC. .003 slowly turn the engine on the compression stroke and just before TDC you should see the intake valve stem...

Auto Doc's is right on about the center spacer so the tapered bearings will not have too much pre-load when all it tight. (the shaft should not turn too tight nor too loose when the pulleys and blades are installed. If too tight the preload is too much and the bearing will overheat. Look at the...

LMT's are NLA. The Briggs part number will lead you to believe it's a Walbro but it's will be a Nikki or Ruxing. If you want a LMT you might look on ebay for a used one.

Step back and look before you break it. Most likely another fastener. If you beat on it or use knives with force you will find out why AFTER IT'S WARPED OR BROKEN. If you see any bolt heads in the deep holes they need to come out also.

I've had to SAVE a post in word BEFORE posting a reply and come back in day or two and try to post reply later. Not a good thing to type a long help reply trying to help someone and then the reply get lost in outer space and gone forever. THANKS FOR LETTING US KNOW THAT YOU are not deaf and ARE...

Right, since the Walbro LMT is NLA the Walbro BRIGGS part number search auto goes to Nikki or Ruxing as the replacement carb with no warning of such. Kinda like scamazon and fleecebay.

Briggs is deceitful/non trurthful with their part numbers for carbs. For example if you search/using a Walbro LMT carb part number you will be directed to Briggs Nikki replacement or Ruxing and even the China clones. The desirable Walbro LMT carb is NLA as a new replacement. Also when you see a...

That is a strange one??? Here is a owners manual from sear parts direct. https://c.searspartsdirect.com/doc/1109492L

I submitted a reply yesterday and this slow site did not let me post my reply. One more time. Site is erratic speed, etc. Does the engine run at WOT or are you just seeing WOT with the engine not running? WOT with the engine not running can be a normal thing is why I ask. Here is a link that...

You need to read the pto clutch amps. Do you have a ammeter? or install a 10 amp fuse or ckt breaker in the electric clutch ckt. You can get automotive type ckt breakers from Amazon in a kit of several sizes very reasonable.

Normal for that machine.

On your idlers make sure that they are the correct OD. It's quite common now days to order the correct v belts by part number but the size you receive is not per specs for the tractor. I use a upholstery tape measure, cloth type tape 1 inch wide and about 12 ft long from wal mart sewing...

and autopilot let it crash!!!!!!!!!!!!!!!!!!!!! (and burn) still really slow in most threads.

I would use a electrical tester and do some logical testing. (instead of farting around) You can get one at wally world and read the instruction manual about how to use.

Is your starter solenoid a 3 terminal or 4 terminal? (does it have two small tabs (for small push on connectors) or just one?)

Look at page 30 of the owners manual. It appears that maybe on that machine: When you are not on the forward or reverse pedal the belt going toward the engine pulley should be loose/slack enough that it slips on the engine pulley for neutral. Also make sure it's routed correctly per the diagram...

How was the drive motion acting before you changed the drive belts. I seen a owners manual/parts list download at the sears link. https://www.searspartsdirect.com/manual/5efdw0nkch-000736/mtd-13ag601h729-front-engine-lawn-tractor-parts Keep a heads up when working on the brake if replacing the...

Ronnie Milsap can see that is no good.

Yes. (very slow or no go. I had to copy/paste my post into word and then come back couple hours later and try again. By saving to word I did not have re-type all again.

Read post #10 again. Install a 7-10 amp fuse in the pto lead and test. Also look at the existing fuse holder carefully. I've seen fuse holders that do not make good connection at the ends of the fuse and they EVENTUALLY get hot and melt the fuse due to a bad connection INSTEAD of a current...

Some people (several) should not be allowed to even own a mower much less try to operate one.

We need the complete model of your cub. But I've got a Cub and it's common for the clutch spring to fall off when the drive belt gets too loose. You can download a parts lists that shows the spring to see where it attaches or remove the deck, elevate the mower and you can see where it attaches...

Be aware if you try to look for a Walbro LMT using the Briggs part number for your engine's carb you will be directed to the Nikki replacement carbs, so when searching ebay you will probably have to search for a USED Walbro LMT carb. (and look for the name Walbro LMT on the side of the carb)...

Put a saved search on ebay for a Walbro LMT. I keep one around just as a sub for the Nikki's. Some of them China Clone Nikki's will never run right even when new. Lots of info on-line (you tube) about how to kit them. I buy the clones from Amazon on-line with free returns, sometimes have to get...

You say it also leaks oil when the engine IS NOT RUNNING. If so this should be easier to locate the leak. Might could use a dye in the oil to locate the leak. Use about 1/4 oz of motor oil dye. You can review such on-line.

I did not read all of your post, but if you will get the EXACT model number from your mower, usually from under the seat and download a free owners manual it usually has all the exact steps for replacing belts and adjustments for the GT series of tractors. Instead of using a jack for lifting...

Here is a link where you might find manuals and wiring diagram for your Cub Cadet LTX1040 EXACT model number. https://www.partstree.com/models/ltx-1040-cub-cadet-42-lawn-tractor-parts

You say from post #18: The seat switch has been unplugged for years now. AND Lets be a little bit reasonable That is what caused the guy in my post #20 to expire. HE had bypassed the seat operator presence switch and fell off the mower and it ran over him. It was his own doings. Just saying...