I have a question I put my kohler courage 19 sv590-0024 back on the frame I have it all hooked up and ready all but the oil and gas.. but I didn't unhook my throttle linkage I believe my son in law did therefore I'm not sure how it goes back on. In the attached photo shows the way I have it but when I use the choke lever to move it moves to full throttle but will not spring back.. Is the throttle going to be all messed up now when I go to crank it (hopefully if will crank).. I've looked at youtube videos and still can't figure it out? Also after draining the gas tank and all the oil are there anything important I should do before trying to crank it?? LOL and just to make sure after putting the starter back on will it automatically line up with the fly wheel?? I've come this far by pulling the engine and doing all this work I sure don't want to mess it up..thank you

Re the second pic, the cable isn't adjusted correctly.
 
With the INNER CABLE fully extended, now tighten the clamp down at the bracket.
 
The inner cable should now go fully in and out as you move the throttle.

And the starter only bolts on one-way.   There's no shims or any adjustments that can be made to it..
 
If you look up your full engine model # on Jacks parts, you have access to full parts pictures.  
 
 
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Ok thank you so much I'm gonna try and fix that and crank it.. and yes your right the starter only goes one way never noticed it being lower than the fly wheel.. thank you so much for your answers.. Suzanne

I had my gas tank off but hooked it back up connected it all up but I'm not getting fuel to the line that comes out of the tank? that line runs to the fuel filter so i unhooked it and no fuel is in the line.. What have I done wrong?? Since I posted this I blew air in the tank then fuel flows out of the line connected to the tank but when I put it back on the fuel filter which is uphill to the line and try and crank it isn't even getting to the filter or at least there are just a tiny tiny bit in fuel filter? I at a stand still??

The tank is higher than the carb and rest of the lines correct?
 
There may be a clogged filter inside the tank so you may shoot some carb cleaner BACKWARDS into the tank.  
 
Once that's done, check the fuel system starting at the tank alone.  Put fuel in it (and catch it with a small container) and ascertain fuel comes out.  Then add the fuel line (perhaps blow thru that as well) and see if fuel flows.  Look closely at the fuel filter, there's often an ARROW stamped on it for flow direction.  Again, check for fuel flow....
 
Do you have a fuel PUMP or is it all gravity fed?  
 
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I have a fuel pump it fairly new but the motor has been off since about sept just got it back on , I bought a new fuel filter yesterday and flow is right.. I will empty my tank "again" lol and do what you said.. thank you so much Ive blown it out with air compressor and fuel comes out of the line to the filter but when I try and crank no fuel enters the filter? thank you

This man used to work on my mower and everytime I would get it back same old thing so one day the solenoid went out so I decided then Im going to Youtube and try and so this myself I finally got a new carburetor with the solenoid built in or something like that , I put it on it run fine no back firing like before. Then I taught myself how to adjust the valves did that and put new fuel pump everything I could think of replacing.. well this summer it started having oil all over the frame I just knew the crankcase was cracked but I took the engine off myself all but lifting cleaned everything up put a new seal where the clutch is and bought a new I think its called the idler pulley right beside the clutch.. anyway I was ready and have parts to change the crankcase gasket but I decided to wait till I see if it is going to spit oil again.. I think I might have put to much oil in it to begin with.. thankfully I caught the bolts on top of the crankcase that had came loose.. the man that worked on it told me about 4 year ago it was shot and wanted to trade with me bull crap Ive been running it all the time,, actually it has run better since I started working on it myself.. also have a head gasket to put on it needed... A person can do anything if they set there mind to it.. just like pool i taught myself how to shoot and Ive won a lot of tournments.. ha

I did all you said still not getting fuel, I'm so confused.. Could the choke linkage , if not hooked up right cause this? I took a test light and test with key on the starter solenoid, and the fuel solenoid, those tested ok, the fuse is ok. I put the test light on the starter with the key on and it didn't light up not sure I was doing it right just put it on the cable that comes from the battery? do I have to turn the key to almost start position before that will light up? If so no help now.. I have it all ready and it will not start it is trying but I think just not getting gas?? ANY more suggestions?

The solenoid attached to the bottom of the carb ONLY opens/retracts with the key switch ON & while cranking.     Turning the key off and on, you should be able to feel and hear that solenoid activating. 
 
Please clarify not getting fuel..  No fuel flow out of the tank, fuel line, pump or just thinking no fuel inside the carberator? 
 
 Cranking the engine over, with the fuel line FROM THE PUMP to the carb disconnected,  SHOULD PUMP fuel from it..  
 
Spraying a spritz of starting fluid into the carb and cranking should confirm if your getting fuel or not.  The engine will run momentarily.
 
For those bolts that like to loosen up, clean threads with brake cleaner, then use RED LOCTITE.  That should keep them from loosening up again..
 
Lastly, that solenoid sticks closed (no fuel flow) when left to sit with todays crappy fuel.  It can often be repaired by simply putting some penetrating oil into the pintail (SP?) and working it in and out.    I'll cut the pintail off altogether if it's jambed up, or an electrical issue with no power to it.     Just idle down the engine , let cool down some, before turning off the ignition.