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OT TroyBilt tiller problems

F

Fuller Farmalls

Member
Trying to get dads garden tilled. Just about Everytime you apply more throttle it cuts out. I also need to readjust the carb but out book doesn't help. Has the 7hp Kohler engine. Any advice for this. Thanks in advance. -Keith.
 
Sounds like a restricted fuel supply, Keith. I had the same engine on my tiller but don't recall how the line was routed to the carb. Try opening the line to see if gas flows freely. Pete
 
Sounds like jet in carb is gummed up. Get some Seafoam cleaner in he tank and let it run a while. Also make sure all screws and bolts on the carb are tight in case of an air leak.
Gas can gum up pretty quick in a carb.
Have had that problem on a mower, generator, and 2 weedeaters this spring.
Richard
 
If the carburetor has a main jet adjusting screw near the bottom of the carb you need to open that as that will enrich the fuel mixture. Also make sure there's a full stream of gas from the tank to the carburetor. The carb may also need a good cleaning. It could be gummed up from old gas. Hal
 
I fought with my 8hp Kohler on my troy-bilt for about 3 summers. I replaced carb parts, then a new carb. Still had problems. I finally installed a new fuel pump last summer and its ran great ever since. It started on the third pull after sitting all winter. That could be something to look at.
 
(quoted from post at 08:29:55 05/12/12) Trying to get dads garden tilled. Just about Everytime you apply more throttle it cuts out. I also need to readjust the carb but out book doesn't help. Has the 7hp Kohler engine. Any advice for this. Thanks in advance. -Keith.
Click to expand...

My Troy-Bilt with the 8 horse Briggs got to acting up in a similar fashion. Found out the screws holding the carburetor to the intake manifold had loosened up and allowed the gasket to become completely sucked into the engine and consumed. Nothing left of it but a few crumbs. I made a new gasket, put it all back together, and she runs like a new one.
 
It may be as simple as a piece of crud bouncing around in the float bowl.

Kohler has free downloadable service manuals available for your engine on their website.
 
When my Kohler does that I pop the float bowl off and clean it sometimes it gets water in it. It always starts on the first pull no mater how long it has been sitting.
 
I have the same engine on my Troy built tiller and every once in a while I have to remove the float bowl and dump it out because for some odd reason those carbs seem to get water in them just from sitting a week or so. When I do that I also spray some carb cleaner up into the center tune so as to clean it out and also down the main jet adjustment screw hole. After I do that the thing runs well till it happens again
 
I'd agree with the below, those carbs are pretty simple too, that 7hp Kohler is a fine running, simple, reliable little motor, I use my troy built 7hp kohler a few times a year, might use it to cultivate in between corn this year though, it starts on one pull, even if it has sat, mine stays in a heated garage, so no condensation or water. Mine is an early 80's model + or - and it is completely original, runs smoothly like new. I know people like BCS and similar modern tillers, but there is no way you can beat one of these with a 7HP or the 8HP magnum Kohler, properly taken care of, they are simple to work on and very reliable.
 
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