Advice on my next step

Gerk

I have read a few posts with my same problem, but never found an answer that suited my issue.
My cart runs well in reverse, but not in forward
I now have good compression 85 or so on both forward and reverse
I believe it is timed just right
new coil
new plug
new rings
good spark
good fuel
took the exhaust off and runs the same.
I do not have an air cleaner yet
I do need to choke it to make it run better

I have read about crank seals, but not sure how to check if there is a leak. The compression tester does not lose pressure.
Is replacing the seals a tough job?
I do have a manual. I just want to know what I am getting into.
There is a little bit of an oil leak that I am not exactly sure where it is coming from.
If it is the crank seals, why does it run better in reverse

Thank you ahead of time for any possible help. I was having fun with this thing and now I am losing hair as I pull it all out

BGW

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Tantan32

One way i've heard of checking cranks seals is to spray something such as WD-40 at them while running. WD dosen't burn quite like starting fluid so the engine should bog out. You could use a starting fluid, which would speed the engine up, just becareful!! Would'nt want a fire!!! There may be another way also, would'nt hurt to try though.

Lochlin

Well, to be honest if it's running good in reverse but not so good in forward then it's probably not timed as well as you think. Remember, these engines run exactly the same forward or backward with regard to compression, fuel draw, spark, etc. The only thing different between forward and reverse is that timing as to be set individually.

Personally, for as simple as it is, I have found that timing these carts is just about the hardest PIA with the whole cart. I'd rather do a top end rather than mess with timing but that just me. I hate it so bad I coverted all of my points carts to electronic so I don't have to mess with timing anymore.

The method is the book never worked for me. I just made tiny adjustments here and there until the cart ran right.

Regarding having to choke, that's normally a good sign the crank seals are going bad but do the simple stuff first to make sure. The fuel draw sticky at the top of the forum explains things.

Gerk

Am I missing something on the timing?
The dimple is in the viewing hole just when the points just start to open and then just when it closes.
Set gap at .022

Lochlin

This is just my experience but the timing method you describe, the one in the manual, will only get you in the ballpark with regard to timing. There are too many variables involved to time any motor by sight alone. Little differences like sight lines (are you looking at the timing marks exactly perpendicular to the fan?), differences between motors (is the distance between your cylinder head at Top Dead Center the same as when the cart was made?), is the crank still perfectly aligned?, etc. Again, the visual method never worked for me. Believe me, I tried. The only thing that ever worked for me is to get things in the ballpark (which you have done) then make tiny adjustments from there. Understand, timing is precise. Even the smallest variation will cause a rough running engine. That your engine runs right in reverse tells me all I need to know. If there was something mechanically wrong with your cart it wouldn't run well in either direction.

tew45

some where on this forum is a reference to my "timing stop" Find it and make yourself one and time it to the instructions with it. Then change the point open or ? to suit you.
I agree with Lochin! Your timing is not correct. Timing in both directions can be confusing especially to some one that did not grow up with a point system car.

Ron Benedict

Check your voltage regulator. I don't think the charge in reverse.

chuckbaynham

RE:Am I missing something on the timing?
The dimple is in the viewing hole just when the points just start to open and then just when it closes.
Set gap at .022

I don't think the manual section dealing with timing talks about points closing and the timing mark.
Good luck with your project.

Gerk

I guess a part of what I am confused about, is that it says you need to time it in forward and reverse.
If the timing dots are spot on in one direction, won't they always be spot on in the opposite direction?

Lochlin

Yes. The issue is that the "dimple between the line" method is not reliable. That only gets you in the ballpark.