1250 Found A New Home

[darkminion_17]

so you have the correct points,do you have the correct points push rod?

[jsoluna]

And then I worked on the 44a some more.

I fixed the broken tensioner spring by welding the hook at the end back on. Worked really well, not much to tell here.

Took a flap wheel to all the pulleys to try and get the scale and rust off. Pumped everything full of grease and spun all the pulleys up to speed to see what they sounded like. Not quiet, but not too bad really. Installed the tensioner pivot bolt with new greaseways onto the deck and found that between the slop in the bearings and the rust on the pivot, the tensioner pulley wanted to scrape the deck. Just bent the bracket a little to compensate. With the pivot being greasable now it shouldnt wear too quickly

This deck won't be pretty but it just might work.

[jsoluna]

Originally Posted by darkminion_17

so you have the correct points,do you have the correct points push rod?

Well, the points aren't marked Kohler, like the new set I just ordered (will be in Friday).

The pushrod was my first guess and I mic'd it out at 1.550 which appears to be correct.

[ironman]

Just gonna chuck in my 2 cents, and I'm prolly out in left field BUT, (correct me WHEN I'm wrong)....

isn't the most important thing that matters is that the points go from close/open (or open/close) depending on which way you are rotating the engine, at the exact instant that the flywheel BTDC marks line up??

If that being the case, how can a worn point push rod change anything because once the points open (if set to open/close at the timing mark) THEY ARE OPEN/ClOSED! So what does the size of the gap matter when they open have to do with anything as long as they are not making any contact?? I'm saying a worn cam, unless it is worn really bad is still gonna open and close the points, and so is a worn point push rod.

So I'm struggling to follow the debate over cam/pushrod problems? What am I not getting here?? Seriously, can someone explain it in rational and laymen terms without pissing on us dumb peoples shoes?

[jsoluna]

The gap determines at what point the points start to break the circuit open. If the gap is larger, it means that they will open earlier and spark will occur earlier (advanced). If the gap is smaller, the points break the circuit open later, spark occurs later (retarded). In this way, gap determines timing. Kinda like clocking a distributor.

[J-Mech]

I really will try and be nice.

Yes, the gap is irrelevant.

The cam has a lobe (just like it does for the valves) for the point pushrod. If the lobe is worn down, or the rod too short, that coupled with no adjustment left in the points, he cannot adjust them far enough back to get them to open at the right time. It's not the gap we are concerned about, it's that he can't rotate the bracket far enough to get them to open when they should.

Hope that makes sense. If not, I'll try again with a pic.

[J-Mech]

Originally Posted by jsoluna

Kinda like clocking a distributor.

Not really because a distributor ignition you can set the point gap, then adjust the time. This is kind of backwards.

In a distributor, gap affects dwell. In the K series Kohlers, we don't care about dwell.

[ol'George]

Originally Posted by jsoluna

The gap determines at what point the points start to break the circuit open. If the gap is larger, it means that they will open earlier and spark will occur earlier (advanced). If the gap is smaller, the points break the circuit open later, spark occurs later (retarded). In this way, gap determines timing. Kinda like clocking a distributor.

Ya, you are correct but you set the points to open by adjusting them to open @ the timing marks on the flywheel, using a meter.
It don't matter if they are ten thousands or forty thousands gap.
the coil fires the plug when the points open. end of story.

[jsoluna]

I agree. Not trying to argue that the points gap itself means anything at all, just how it is related to timing.

[jsoluna]

Originally Posted by J-Mech

Not really because a distributor ignition you can set the point gap, then adjust the time. This is kind of backwards.

In a distributor, gap affects dwell. In the K series Kohlers, we don't care about dwell.

Oversimplified analogy. Thank you for correcting.