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Discussion Starter #1
1994, carb never been apart.

Recently, and it's gotten worse, the longer it sits, the worse it gets.

Seems it's starving of fuel on initial start. No matter how much I choke, if I do manage it get it started, it'll cut with any throttle, even if choke is closed all the way, it's a lean burn. No black smoke/raw fuel smell from exhaust.

Once I manage it get it started, it's fine if started and ran daily.

If it sits for any length of time, it's miserable to get it started if not a fail.

As it sits right now, I got a few pops. Exhaust doesn't smell like raw gas, and when I Crack the bowl bleeder loose immediately fuel comes out.


There's something going on.

Plugged jet?

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Discussion Starter #3
Never.

But no clatter warm or cold.

Doesn't explain why a cold 40*F engine 2 days later starts ok.

A cold 40F* engine 10 days later is difficult.

With that information valve clearance seems irrelevant

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gonna go with a stopped up idle jet :).
 

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Discussion Starter #5
That's the weird part!

The idle speed has never been adjusted. Ever.

But once it runs for a bit, daily starts keeps it in shape.


Still calling jets the culprit?

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Just My opinion but I will always start with a valve clearance check FIRST !

It takes very little time to do !

Next I would very carefully the carb !
 

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By the way cyber, as the valves wear over time they sink into the seats and the valve lash gets tighter, not looser, until one day a valve is hanging open. You may never hear a clatter telling you to adjust those valves. So when you get sound advice from @oldmxrider its best you don't argue with him. Ya wanna fix it or kill it? Then why aren't you busy catching up on all of the neglected maintenance?
 

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That's the weird part!

The idle speed has never been adjusted. Ever.

But once it runs for a bit, daily starts keeps it in shape.


Still calling jets the culprit?

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the idle speed has nothing to do with why it won't idle ( the big black knob is your idle adjustment ). the idle JET works by allowing a small amount of fuel to go through the carb at start up. if the idle JET is stopping up, say from trash in the fuel tank ?, maybe not enough fuel reaching the carb ?, who knows ?, what I do know is, the idle jet must be clean and clear !.
 

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You can take it to the Honda shop and they will probably catch you all up for about $500. Careful it’s over 20 years old so they might refuse.
Otherwise you can try to rebuild the carb yourself following the carb sticky and getting this rebuild kit. The seals in your carb are probably pretty crispy.
Just saying, the idle jet is inside the carb and yes it probably has a glob stuck in it—get the service manual and make sure you use the proper nomenclature of each part, cuz this will lead to confusion.

Click my first link below the manual is the last in the folder.

Let us know what you intend to do we can guide you thru it. Don’t wait too long you don’t want to drop a valve on that thing.

More than likely it will be easier for you to set the valves with the carb removed. I personally don’t like to attempt too many tasks at once—so i would rebuild the carb first, then check the valve lash and if it’s WAY out then be warned to set them before installing and tuning the carb. If valves are close, tune the carb and then wait until next day to recheck and adjust vakves.
 

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Discussion Starter #12
Gooey pud plugging jet

Bump the starter button and no problem idling extremely slow.



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cyber_ballz
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