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These sifton pre filter units are nice.
Magnet and screen
I run one AND a spin on filter109425

Check float level. If too low, you're filling up the bowl with the ticklers, then running out of gas.
Amals have no accelerator pump, so no twist. That's what the ticklers are for.
Amals are...

It was mentioned already, but tight pushrods will do that.
Do you have solids or hydros?
Most carbs are setup too rich, they start cold easy...
What carb are you running?

Ditch them forwards for mids, you'll have more control.
Try mounting the fender right to the swingarm, if you never gonna ride a passenger.

Surprised no one mentioned main shaft length

Simply replace one of the caliper body bolts with a slightly longer one.
Becomes a handy spot for a brake stay.
You can trim the stock "bowtie" or not.
Use a small spacer on the bolt so the...

Most alloy Harley dual disk front hubs have 5/16 on both sides
Rear alloy hubs have 7/16 sprocket/pulley side, 3/8 disk side.
Disc and sprocket bolt patterns are the same all 'round.
To use a...

Looks like a Betor front end?
AKA poor man's Cerriani
Or is it the other way round?

Both brands are lightweight race goodies.
The undersized ones are meant for drag.

It was suggested but,
You didn't say if you made sure the accelerator nozzle o-ring is in place...

How many turns out is the mix screw?


What air bleed # are you running?
You probably want a...

Has anyone mentioned drilling a hole in the throttle plate?
Sometimes necessary with a lumpy cam...
Car guys with Hollys do it all the time.
What cam are you running again?

Air bleed shouldn't...

Starts easy
+
Locked advance
=
might just be a tad retarded at higher rpms

Is OP tuning a Knuckle like it's a Flattie?

Look at the plugs like tattoo suggested.
You can read timing on the plugs too.
Are you running a fixed ignition? Or auto advance?

An SU is a period correct "CV"
The eliminator II version is what you want.
You will need the SU manifold in air cleaner as well.

We are all assuming the OP has a stock displacement 74" slab...

Note:
This bracket is meant for a four speed style clutch cable. (Adjuster's at the end of the cable, not the middle)
Four-speed style clutch lever/perch is preferred.
But you can make a 4-speed...

Metal supply houses like Grainger...
Keywords;
hemispheres
And
steel floats

As JB stated, the B has no accelerator pump.
It's a "roll on" only carb.
But that can be changed...
I'm a fan of the "super bowl" but not a fan of the Bendix style plunger it uses.

Tune the...

You'd be surprised how much oil the road grime under even the cleanest bike can hold.
A weep under a Harley will barely be noticed.
Keep an eye on the level before you tear things apart

That...

Put a real rear fender on it first
Castration would be a real bummer

Yes it should bolt right on
Measure bottom tree to axle lengths and compare

Buddy of mine got bounced out of the saddle...

Options

Somebody did

The voes can be left hanging but not wired in

Several aftermarket ignitions utilize a VOES

Pretty sure the stock 98 Softail cdi box had dead revs, but maybe not

Different materials expand at different rates as temperatures rise.
Some leaks even go away as the bike warms up.

Throw an eye on vacuum lines too

Confirm fuel delivery, inspect gas cap to...

Acquire a set of head gaskets for both motors
(Used would be free)
Compare the two
Let us know what you find

Use the stock mechanical front linkage and crossover.
Mount a master cylinder on the left side.
Inside the primary maybe?
Use the stock tool box mounts?
Hide it inside a tool box ?

Oh shit, Jim has a great point!
If the tire needs a tube, it'll say right on it.

Some early mags need tubes too. They say "tube type" cast right into them.

"Tubeless" just means it CAN be run...

Nope, you can't swap floats and float bowls around.
Gotta stick with the same style the carb came with.
Floats will stick in "wrong" the bowl and the bowl o-ring won't match up to the body.
As...

Yes, you can put a tube in almost any rim/wheel.
However due to friction/heat, the speed rating on the tire is reduced by %10 or something.

Be aware that you cannot plug a flat with a tube in...