1862 won't start, i need some help

[Iluvtruks0]

Originally Posted by blue83ranger

yes it does, I literally just got done putting a brand new one on. And it still won't start. Sometimes the old one didn't work but the wire feeding it power always had power when the key was on.

One thing my shop foreman would always say when it came down to pesky troubleshooting: Start with the basics-they are the easiest to do and fastest to fix(which i think you have covered those well) and ALSO, just because the part is "new" doesnt mean its right. We would sometimes get new parts that were still bad. Just wanted to throw that out there. That new fuel shutoff solenoid could still be bad.

Good Luck

[Matt G.]

One question: You say it is an 1862 but has a Kohler Command engine. An 1862 came from the factory with a Kohler M18 horizontally-opposed twin, and the 1864 came with the Command. Which is it?

If it's an M18, check the valve lash, as the valves are non-adjustable, and if the lash is too tight, it will die when the valves expand. 80psi is kinda low for compression...I'd expect about 120psi on a good engine, but you since you have 2 psi differential between the two, that may not be an issue. The seats may also be worn. I'm kind of grasping at straws here.

If it's a Command, make sure somebody didn't put straight 30W oil in it, as that'll bend the pushrods, and if they come unhooked, the valves might not be opening at all.

[jigbuilder]

I have a '92 model 1862 with the M18S Magnum engine with lots of hours. It became hard to restart last summer at operating temps.
I dropped the fuel bowl and found crud in the bottom of the bowl. I cleaned it up and installed a new float/needle kit and that cured the hard start when hot.

Another time it became hard to start anytime and found loose screws that held the elbo on the carb air intake.

[blue83ranger]

I made a typo, the engine is a magnum horizontally opposed engine.
I can feel and here the fuel solenoid working.
I had the carb off twice and cleaned everything, there was no dirt and nothing was clogged. It does seem to take awhile to idle down after i move the throttle down though. I sprayed carb cleaner around everything looking for a vac leak and didn't find any.
I'll try to get the valve clearance checked today and let everyone know what i find. thanks again for the help.

[Matt G.]

I just checked my 1862 wiring diagram...there is no fuel shutoff solenoid, and I have never heard of any Magnum engine having one. Those started appearing on the Command engines. Can you post a pic of the carb? I'm starting to wonder if you have the completely wrong carb or something. If you are moving the throttle and the engine is not responding, something is wrong with the carb/governor linkage, also making me suspect you have the wrong carb or something hooked up wrong with the governor. Mis-connected linkage may not cause the problems you are describing, but it certainly isn't going to help anything, either.

[blue83ranger]

The solenoid on the carb is more of an air cut off then a gas shut off but i guess it's suppose to do the same thing to a degree. I found a site that sells kohler parts and looked it up and it shows a picture of the solenoid. and with the throttle it revs up good it's just when i idle it down it doesn't idle down right away it just does slowly. It'll take maybe 4 seconds for it to idle down after i move the throttle down.

[Matt G.]

It should respond instantly to a throttle change. 'Air cutoff'? Not on any Cub Cadet I have ever seen. Please post a pic of the carb and governor linkage, I really think someone has cobbled something together on there at some point.

[blue83ranger]

I can get a picture but i'm not sure how to post it on here. Here's a link i used to find the part number for the solenoid. It's number 21 http://tewarehouse.com/oem/ari.htm#/...OGS%7c%7e32739

[Matt G.]

I'm not sure what application that's for, but it certainly isn't for a Cub Cadet. Click the paperclip icon to post a picture...you'll probably need to resize it down to 800x600 so the built-in resizer here will take it.

[blue83ranger]

here's the pics.