'50 FL project

Show or brag about your projects or rebuilds.
Sarre
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Re: '50 FL project

#31

Post by Sarre » Wed Jan 17, 2018 10:00 pm

Thnx Eric for the pages, will come back on the springer.
RUBONE wrote:
Wed Jan 10, 2018 2:06 am
Springer rockers are dead simple to rebuild as there is NO fitting involved, merely replacing pieces. A vice or large C-Clamp is all that is needed.
Yep, but my vice can't go wide enough and I got some heavy c-clamps but they actually start to warp; that much force is needed! So the bushings need to be pressed out, I found a mechanic that has a hydraulic press. I ordered the complete rebuild kit and will be rebuilding them myself.

The springer legs will be straightened by a specialist in straightening frames (specifically for race bikes) but also works on oldtimers and has a lot of experience with these forks. Can provide details if necessary.

Alright did some more teardown, the primary cover is a late style and so is the inner primary cover. Which apparently doesn't really fit because the rear primary sprocket (I assume) has damaged the inner cover. Other than that the primary looks fine to me, see pic below.

I guess I'll have to swap this late style inner primary to an old style (will switch the outer primary anyway). Read up on this, saw some good info on another forum, info from @Bigincher ; http://www.caimag.com/forum/showthread. ... ary+covers need to get my hands on an OEM, and not an AM :roll:

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Bigincher
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Re: '50 FL project

#32

Post by Bigincher » Wed Jan 17, 2018 11:12 pm

I hope you can find an original inner primary cover cheaper than this one....!

https://www.ebay.com/itm/1950-HARLEY-FL ... true&rt=nc


I was astonished at how much that one sold for. Just insane! The Paughco cover is actually not bad. If I didn't have an original, that's what I would run.
It lacks the oil shield, but one could be fabricated and installed fairly easily.
The V-Twin *looks* nice, but the fit is horrible.

Sarre
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Re: '50 FL project

#33

Post by Sarre » Thu Jan 18, 2018 9:46 pm

Yes, I couldn't believe my eyes either! Others went for less:

https://www.ebay.com/itm/1948-HARLEY-FL ... tkn=SesbJO

https://www.ebay.com/itm/OEM-Harley-Knu ... tkn=96GeUb

Good to know that the Paughco is still usable.

Sarre
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Re: '50 FL project

#34

Post by Sarre » Mon Jan 22, 2018 11:52 am

Fresh built rockers, they actually move :D :

Image

Going to bring the springer to the specialist this week, looking forward to the result!!

Now planning ahead; I ordered 5/16" steel ball bearings for the neck cups, but as mentioned previously: I don't have a bottom shim/dustring or bearing race guard (so the bearing race was in contact with the fork) > can't find a partnumber! 48350-39 is for the race with guard. Is the guard the one on the left on the image? Or can I also just use a large shim?

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1950Panhead
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Re: '50 FL project

#35

Post by 1950Panhead » Fri Jan 26, 2018 8:08 pm

I don't have a bottom shim/dust ring or bearing race guard (so the bearing race was in contact with the fork) > can't find a part number! 48350-39 is for the race with guard. Is the guard the one on the left on the image? Or can I also just use a large shim?
A knuckle fork does not use a dust shield a race centering ring goes on first (left in photo) then the lower race. https://www.ebay.com/itm/Knucklehead-Sp ... IY&vxp=mtr
Buy both races here - https://www.ebay.com/itm/Fork-Neck-Race ... sB&vxp=mtr

Sarre
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Re: '50 FL project

#36

Post by Sarre » Thu Jul 26, 2018 1:57 pm

@1950Panhead I got the race centering ring, however it is a very tight fit, don't know if it is supposed to slip on or pressed on?

Further update, been collecting original parts for the bike.
- OEM inner primary
- OEM outer primary
- OEM linkert SS air cover

The springer has been repaired/straightened.

Have inspected the frame, it was already obvious that it has taken some abuse, sidecar loops removed, horn and tank brackets at downtubes removed, top frame tank mount shaven off, toolbox bracket eliminated. I suspect that the straight frame tube that runs front to back underneath the gastank has been replaced. The castings on the rear axle plate actually correspond to 1950; same as the flat parts in the downtubes for the horn.

So, currently I'm considering to buy a less molested frame, however that's going to be a big investment.There is no way back after the 'driver and vehicle licensing agency' has done a vehicle identification investigation, because they will hammer a VIN number in the frame. I was planning on presenting it to the authority this summer. Keeping you all posted.

Sarre
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Re: '50 FL project

#37

Post by Sarre » Thu Feb 14, 2019 10:26 pm

Alright, minor update, have build the bike towards something that I like:

Image

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The rear end was completely crooked, the rearshaft (chromed brass shaft?) was bent, the brake lever is too long?, One of the brake shoes metal surfaces that the pivot pushes against is bent and torn, the pivot is bent and damaged,

Took the bike to the 'driver and vehicle licensing agency', that means that I didn't invest in a less molested frame. The title was accepted, the VIN was engraved in the frame, but as expected they want to see the bike when it is up and running.

Afterwards I took the engine out of the frame for inspection. The rightsize crankcase is cracked around the camshaft and crankshaft, which is a true pity.. :cry: Good news is that the engine is armed with a T&O flywheel assembly. The heads looked pretty fresh, no cracks around the spark plug hole. I brought the engine to a specialist, expect it back in a few weeks. Frame and other parts are going to be powder coated in the same time. Looking forward to building it back up again!

Image[/url]

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nmaineron
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Re: '50 FL project

#38

Post by nmaineron » Fri Feb 15, 2019 2:25 pm

I had that same crack in my 63. I sent it out to Knuckleworks. They did a great job. I have yet to run my engine but I'm confident that it is sound.

41Craig
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Re: '50 FL project

#39

Post by 41Craig » Sat Mar 02, 2019 12:45 am

Good looking bike !! I ran a license bracket, on the left side as you have when I built my bike in 1973. I liked the look, but after raking my leg across it a few times, it was time to place it on my bar. If you run it, just be aware of it. It will save you a lot of cursing. Good Luck, Craig

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Re: '50 FL project

#40

Post by RooDog » Sat Mar 02, 2019 5:32 am

41Craig wrote:
Sat Mar 02, 2019 12:45 am
Good looking bike !! I ran a license bracket, on the left side as you have when I built my bike in 1973. I liked the look, but after raking my leg across it a few times, it was time to place it on my bar. If you run it, just be aware of it. It will save you a lot of cursing. Good Luck, Craig
I used to hang my side mounted LP on fence posts and car bumpers. I too reinstaalled it where it belonged, rear & centered....
.....RooDog....

Sarre
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Re: '50 FL project

#41

Post by Sarre » Sat Mar 02, 2019 11:46 pm

About the side mount, I'll see how it works out, also with cornering.

At the moment waiting on an Andrews J cam and flywheel truing, and then the engine will be reassembled.
Decided to go for a conversion set for the Intake manifold, hoping on less leaks.

Have inspected the transmission, already revised the kicker side. Spotted a small oil leak at the mainshaft between the countershaft sprocket and the transmission house. The countershaft sprocket appears to be an offset type, see images, the chain has been eating away at the sprocket on the clutch hub side. The rear sprocket is undamaged. Will replace the sprocket with a non-offset 23 teeth.

Image

Image

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Re: '50 FL project

#42

Post by RooDog » Sun Mar 03, 2019 1:18 am

LOL... On a Harley Big Twin there is no sprocket on the countershaft, it is buried inside the transmission to the front of the main shaft, which carries the clutch hub, and the main drive gear which carries the sprocket pictured. I don't know where the notion came from that a Harley has a CS Sprocket, but it just ain't so.
That dished sprocket looks like the ones used on early 5 Speeds, it should be flat with a relief on the back side toward the tranny....
....RooDog...
DSC02156 (4).JPG
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Speeding Big Twin
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Re: '50 FL project

#43

Post by Speeding Big Twin » Mon Mar 04, 2019 5:35 am

Sarre wrote:
Thu Feb 14, 2019 10:26 pm

Image

Image

the brake lever is too long?

I'm not sure what you mean? Which lever do you think is too long? Can you elaborate please.

Also, it’s hard to be sure from your left-side photo which way your rear brake operating lever is facing? For comparison, below is the 54 prototype (with 52 engine).

1954 prototype with 52 engine.jpg

Regarding the numberplate, on one of my Flathead 45s I had my plate mounted higher than yours which allowed it to be closer to the tyre. Another alternative may be to mount your plate vertically instead of horizontally? Would that be legal?
Eric
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Sarre
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Re: '50 FL project

#44

Post by Sarre » Mon Mar 25, 2019 12:27 am

RooDog wrote:
Sun Mar 03, 2019 1:18 am
LOL... On a Harley Big Twin there is no sprocket on the countershaft, it is buried inside the transmission to the front of the main shaft, which carries the clutch hub, and the main drive gear which carries the sprocket pictured. I don't know where the notion came from that a Harley has a CS Sprocket, but it just ain't so.
Well the reason that I used that terminology was page 237 of Palmer's (2nd edition). Not going to argue about it, haven't thought it true.
Got a new sprocket on, now waiting for an oil deflector since it was missing.
Speeding Big Twin wrote:
Mon Mar 04, 2019 5:35 am
Also, it’s hard to be sure from your left-side photo which way your rear brake operating lever is facing? For comparison, below is the 54 prototype (with 52 engine)
Thnx, yeah I had it installed that way, its about 1/2" to long which is odd. Found a few posts on other forums on this specific issue. New lever is installed and now it's clear from the frame.
Speeding Big Twin wrote:
Mon Mar 04, 2019 5:35 am
Another alternative may be to mount your plate vertically instead of horizontally? Would that be legal?
I don't believe it to be legal, the legal plate is almost square and running non-legal plates is asking for a ticket.

So I got everything back from powder coating, and I got the engine back, had the flywheel trued, new valves and valve guides, Andrews J cam, S&S high output oil kit, cylinders briefly honed and new piston rings.

Now installing everything back. I will need to shim the engine, there is a gap.. Ordering shims this week.

Question, I got an original inner and outer primary cover, and a reinforcement plate, Now I am wondering which gasket should go between the case engine and the inner primary?! I can only find the gasket for 55>, which differs according to Palmer from the <55.. Thnx.

panhead
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Re: '50 FL project

#45

Post by panhead » Mon Mar 25, 2019 9:45 am

Question, I got an original inner and outer primary cover, and a reinforcement plate, Now I am wondering which gasket should go between the case engine and the inner primary?! I can only find the gasket for 55>, which differs according to Palmer from the <55.. Thnx.
I think that's the 60567-36

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