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Update: Here are the plugs after 4 hours on a new carb and two new ignition coils. Plugs in same position as before.

It’s getting gas great now. I’ve used it a couple times now without incident. I wil pull plugs and report back.

I just changed them as routine, as after the carb I had already purchased them for PM purposes. That's why when I pulled them out, I was a bit surprised at their appearance.

Such as ?

As already explained, Cold as in a week of non usage I know the choke needs to be closed all the way, hence my original thread about the hard start before this one. No, I do not have a fuel shut-off, I do have a good filter on it. Carb appeared to be older than it should have been in terms of...

Engines.

Update: The carb is on. One minor adjustment and immediate startup cold. It runs good, but I will change the plugs tomorrow and get a new baseline.

I usually immediately change out anything with a Torch in it.

I will do that when the carb comes in and gets installed.

Yes, I have pulled the shroud and ensured no FOD in the cooling area. I had thought about ignition coils, but like previously posted, once it starts it fires evenly and smooth, and only hard starts cold. I will have to look into that tool, it looks better than the “lighting up” one I have now.

Well, here is the rest of the story… ever since I’ve had this mower it takes forever to start when cold. i posted about it and was told it had to be the choke (It would take 15-25 seconds of cranking to get it to start when cold, after it started, even if I came out two hours later it would...

I was engines. C-130 Well acquainted with FOD walks! The BPR4es is a hotter plug than the Champion. It is what was originally installed when new.

Comes back to haunt ya! lol! Will do. Is there any reason you prefer the champs over the NGK's?

Yes, both NGK BPR4ES. Single throat carb. No FOD in the cooling fin area.

They will be replaced. I was mainly concerned with their appearance.

The one on the left I could see, but the one on the right shouldn’t be that black, should it?

90 hours. I've never had to add oil. Plugs look a bit rich to me. FS600V. Choke fully retracted. Runs seemingly normal. No smoke (black or blue) when running or accelerating. Thoughts?

This helps immensely! Thanks!

Does anyone know if there is a carb rebuild kit for Kawasaki 15004-0827 Carburetor (Goes on Fs600V)? I can find exploded view diagrams and the whole carb assy, but not a "rebuild kit" for it.

Update. Replaced fuel pump. The issue is solved. Starts within 2-3 seconds now after sitting for a week. When I removed the old pump, I could blow straight through it. On the new one, I cannot. Either way, it is fixed, and I can't believe I waited for this long to get this fixed. Thanx to all...

Choke is closing all the way and operational as advertised—full closure and open. Carb is clear. It appears to act as though the fuel is somehow getting siphoned back into the tank. Teh carb iles great once it starts, and will restart without issue immediately after that first cold start. Even...

I will recheck the choke, and go from there. Thank you!

The choke assy is working as advertised. That was the first thing I thought of as well, being it's a cold start-only issue.

I have an FR600 on a Snapper Zero turn mower. The mower is used weekly, in residential usage. When starting it after the weeklong sitting, it takes about 20-30 seconds to start. Once run, it will fire up immediately upon start. This only happens one time, after it has sat for the week. Thinking...

I have. 36”. Perfect for my .5 acre yard.

After the response and more reading, I’m tending to agree. Was just strange how they have been there unaffected for 5-6 years now then suddenly this.

Looks like some landscaping is in my futures

Thank you, This helps alot!

I have several of these (I don't know what they are called) usually robust bushes planted around my property. They've been fine for years until about 6 months ago, one started to just die off. Then another followed. Ones right next to them are fine and growing with no issues. I thought maybe...

Yea, I saw that one. Not sure about it.

Yep, another engine. Good tank, two hole model. Need a replacement that can be used in place of this carb. engine number is 080202 1765 03 Thank you in advance

Well, looking at the pics, you can see what kind of dilemma I'm in!

Also, if it makes any difference, the engine is throttle controlled at the handles. Not beside the carb, as some of these seem to be.

The tank is alittle rusty, but I have saved them in the past by using BB's and shake, shake, shake !!

I believe its a 2 quart tank

Hello, I have a yard edger with a 3.5 B&S. Engine number 91202 0131 01 931213 03. I was given the edger with a 'new' carb on it. Some of the linkage (choke) is missing, and the carb is not the right one for the engine. After looking up the number, it shows a carb number of 495942 which is...