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I like hopping up the H-D evo because you can make big gains in power relatively easy.

BUT, the '91 - '93 cases are notorious for breaking between the rear cylinder and rear tappet block if...

You need to go back through it again, starting with the clearance between the pressure plate and the outer plate of the clutch pack. If you don't have enough travel or clearance there, you can't get...

Not to cause too much thread drift, the original question was about the spacers, etc. required to install the HD brake. You need a knuckle parts book. That will give you an illustration of all the...

One of my friends has one, and upon initial set-up, it didn't work well at all. One problem is that the shoes did not return reliably. I turned the cams 180 degrees, and that seemed to help, but...

The additional pictures make your issue clear. You do not want to use the XL axle adjusters, you want big twin axle adjuster screws as found on rigid frames and round swingarms (which are fine...

On the drum brake XL swingarm, the adjusters go inside the axle plates. That allows the boss under head on the axle to fit the slot in the swingarm, and the stepped washer fits outside of the axle...

The point I was trying to make is that if the alternator is overcharging, that might damage a coil (and possibly the module for that matter).

Jim

Your ignition module should not be hurting the coils. The correct coil for a Dynatek 2000 is 3 ohms, so you have that right. There are a lot of poor quality coils on the market now. What is your...

Because of the added stroke (more leverage), an 80 will pull your gearing much better than a 74 will.

Jim

9 fins is not an indication of an 80cu.in. cylinder. All the new pattern cylinders had 9 fins, both 74 and 80.

Yes, measure the stroke and you will know whether you have a 74 or 80. At this late...

You 74 will like an overall drive ratio of 3.20 or lower. They are dogs when geared that long.

My opinion, of course.
Jim

Aye, there's the rub. Especially on a pan. Travel is limited until you do a good bit of prep work as Jesse has shown several times.

Jim

Andrews J will make a modest difference compared to the stock H. Should be no valve/spring clearance issues in a pan head.

Jim

Your bike is geared very long for a 74cu.in. motor. Therefore, the stock H cam will be hard to improve upon. If you would shorten up the gearing you might like a cam like the Andrews A2. It adds .06...

Those standard type circuit breakers are weathertight enough for motorcycle use without the bulky cover. Or, you could use the more modern mini breakers that plug in like an ATI(?) fuse. Those are...

For components that are larger amp loads on a typical 12V motorcycle, 14ga. wire is the largest needed. That would be the main breaker circuit to the ignition switch, the headlamp wires, and the...

There is no such thing as a standard size pinion gear. The factory pinion gears range over a half dozen or so sizes, and were select fit for each motor. What you have is "A" pinion gear, the one you...

I think you have to tie the green and grey to bypass the bank angle sensor, not ground the green. But I could be wrong, it's been a while since I've done one.

Jim

20 weight is a little higher rating than the stock H-D oil, but I used it in every modern H-D fork I serviced (except the Buell forks) and I never had one complaint. You will be fine with that.

Jim

You can swap 16" and 18" wheels in the stock widths without any trouble. Back in the knuck and pan days, you had your choice between the two from the factory. The factory 16" rim was 3" wide and...

Leave it alone until you are ready to split the cases and service the flywheels.

The downside of what you have done is that you are more likely to wash trash INTO the bearings as you try to rinse...

With the motor running, check with a test light, NOT a meter, from each stator pin to ground. If the lamp lights, the stator has a short, or partial short, to ground. These shorts usually do not show...

The seat inserts on shovels are plenty hard enough to run with unleaded fuel, as almost a half century of experience has shown. On the older heads, the uncoated, burnished valve stems will gall and...

Your symptoms point to a fuel delivery or an ignition problem. You will need a dual approach to eliminate one or the other. I have also experienced the same symptoms caused by a cracked or broken...

For your first shovel, try to find one that is (mostly) original. Matching frame and motor numbers will keep the paperwork simple in most states, and is a good indication of originality. In general,...