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Old 11-30-2010, 02:35 AM   #1
lilbill
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Default Linkert differences ?

any linkert gurus around ? i'm curious why there are so many different versions of these carbs. it seems like they put out a new version every year. aside from the 3 bolt-4 bolt and throat/venturi combos, what's so different about them ?
i mean there are literally dozens of versions of these things and on their best day the basic design is about as sophisticated as a gas soaked rag stuck in a drain pipe.

M2 1933 Harley VLD, 1934-1936 Harley V,VL,VLD, 1937-1939 Harley WL,WLD
MR2 Harley racing carb.
MR3
Harley racing carb.
M4 1930-1935 Harley D,R,Servicar
MR4
Harley racing carb.
MR4A
Harley racing carb.
M5 1936-1939 Harley E,EL
M5F
1936-1939 Harley E,EL ( Police/ CHP )
MR5 Harley racing carb.
M10 ?
M11 1930-1935 Harley D,R,Servicar
M12
1930's Harley boardtrack racer ?
M16 1930-1935 Harley RL, 1930-1935 74" Commercial, 1936-1948 Harley R,W,Servicar
M17R 1942 Harley XA, right
M17L 1942 harley XA, left
M18 1949-1958 Harley W,Servicar
M20 1940's Indian boardtrack racer
M21 1930-1933 Harley 74" except commercial, 1930-1936 Harley DLD, RLD, 1936 Harley RL
M25 1940 Harley E,EL, 1941 F,FL
M31
1930-1933 Harley 74" excpet commercial, 1930-1936 Harley DLD, RLD, 1936 Harley RL
M31F1 1930-1933 Harley Police ?
M341 1941-1944 Indian Chief 74
M342
1941-1944 Indian Chief 74
M343 1941-1944 Indian Chief 74
M344 1941-1944 Indian Chief 74
M346 1946-1948 Indian Chief 74
M347
1946-1948 Indian Chief 74 ( do not believe this model ever went into production )
M348 1946-1948 Indian Chief 74
M35 1941-1948 Harley E,EL, 1942-1948 F,FL
M35T
1941-1948 Harley E,EL, 1942-1948 F,FL
M35TP 1941-1948 Harley E,EL, 1942-1948 F,FL
M35P 1947 Harley Police ?
M35S ? field replacement for ?
M350 1950-1953 Indian Chief 80
M351
1950-1953 Indian Chief 80
M352 1950-1953 Indian Chief 80
M352C 1952 Indian Chief, Chicago Police Dept.
M352NYPD 1952 Indian Chief, New York Police Dept.
MBONN Indian
M36 1949-E-1950 Harley 61, E-1941 F,FL
M36A
1949-E-1950 Harley 61, E-1941 F,FL ( field conversion for M36)
M41 1937-1941 Harley WL, WLD, 1936 Harley VLD
M41L 1935-1936 Harley VLH
M441 1941-1942 Indian 4 cyl
M442
1941-1942 Indian 4 cyl
M45 L-1949-E-1950 Harley F,FL
M45A
L-1949-E-1950 Harley F,FL ( field conversion for M45)
M51 1937-1948 Harley U,UL, 1942-1948 Harley WL,WLD, 1942 Harley US Navy
M51F 1942-1948 Harley UL, ULH ( police ?)
M51L 1937-1941 Harley UH, ULH
M52 1949-E-1951 45 except W, Servicar
M53 1952-1954 Harley K models
M53A1 1955-1956 Harley KH models
M54 L-1951-1952 Harley W,Servicar
M54B L-1951-1952 Harley WLA
M541 1941-1942 Indian 30/50 Junior Scout
M542
1941-1942 Indian 30/50 Junior Scout
M55 1936-1939 Harley E,EL , (1950's field replacement for M5)
M58 1941-1942 Harley South Africa, 1943-1944 Harley Navy
M61 L-1950-1952 Harley E,EL
M61B 1949-1952 Harley 61 field replacement
M64 1940 Harley WLA
M641 1941-1942 Indian Sport Scout 45
M642
1941-1942 Indian Sport Scout 45
M644 Indian racing carb
M648 1948 Indian Daytona big base 45
M65 1940 Harley UA
M74 (early casting, early type number stamp) L-1950
M74 (later 408 casting, late type number stamp in same location as M74B )E-1951 Harley F,FL
M74B (early 408 casting) L-1951
M74B (late 418 casting ) 1952-1965 Harley F,FL
M741-1 1941-1943 Indian Military scout 741 GDA
M75 Late 1941 FL,FLH, 1942-48 F,FL
M84 E-1941 Harley WLA
M841L 1941 Indian 841 HDA 45" Opposed Twin, left
M841R
1941 Indian 841 HDA 45" Opposed Twin, right
M88 1937-1952 Harley W,WLA,WLC
M90 1942-Harley ELC,1942 Harley ELA
M97 1941 Haley TA
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Old 11-30-2010, 03:34 AM   #2
dbkp
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Default Re: Linkert differences ?

did I ever tell you about the great Blue Whale, one of the largest mammals on the earth, and it has a throat diameter about the size of a baseball. Do you know why? Because thats just the way it is. The beer was good tonight, its been a long time. Actually I have often wondered rhe same thing, but then i have put one where it did not belong and found out the difference (not much, but enough).

Last edited by dbkp; 11-30-2010 at 03:52 AM.
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Old 11-30-2010, 06:36 AM   #3
pzokes
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Default Re: Linkert differences ?

www.linkertcarbs.com

What are you trying to use the Linkert on?

Last edited by pzokes; 11-30-2010 at 06:39 AM. Reason: additional info
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Old 11-30-2010, 08:17 AM   #4
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Default Re: Linkert differences ?

LilBill!

Most of the H-D differences are well documented in Palmer's "How to Restore Your Harley-Davidson", if not the parts books themselves.

Beware that ebay is absolutely no place to gauge what is correct for Linkerts!

And the listing you posted has many errors and omissions.
There was never an M346, M347, M348, M351, etc, etc.

If you think the array of Linkerts is bewildering, Scheblers will leave you speechless.

....Cotten

Last edited by Cotten; 11-30-2010 at 08:22 AM.
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Old 11-30-2010, 09:25 AM   #5
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Default Re: Linkert differences ?

And the M51B is missing. I run one on my Chief but was told they were used on HD ULs.
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Old 11-30-2010, 09:56 AM   #6
Danny F.
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Default Re: Linkert differences ?

And I have a M77 laying here...wich is not on that loooong list..(thanks for that list lilbill)
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Old 11-30-2010, 10:45 AM   #7
pzokes
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Default Re: Linkert differences ?

Cotton is THE Linkert guru.

I have used several of his special Linkert fuel resistant floats with great success.
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Old 11-30-2010, 10:56 AM   #8
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Default Re: Linkert differences ?

For lilbill,
Linkert carb differences have to do with application, same as any other carburetor. There are various body sizes, 1", 1-1/4, 1-1/2. Within each size there are various combinations of idle slotwidth, idle hole size, throttle disc angle, main nozzle type, fixed or adjustable jet, bowl venting, etc. Each combination is for a specific model and by marking them it is possible to know what the build standard was.
Look at the total number of Amals available, same deal. Also Carter, Holly, and any other automotive carb. Mikuni, Keihin, Bendix, also, each one has a code number which goes back to original application.
Get it?
Robbie
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Old 11-30-2010, 11:22 AM   #9
lilbill
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Default Re: Linkert differences ?

Quote:
Originally Posted by Cotten View Post
LilBill!

Most of the H-D differences are well documented in Palmer's "How to Restore Your Harley-Davidson", if not the parts books themselves.

Beware that ebay is absolutely no place to gauge what is correct for Linkerts!

And the listing you posted has many errors and omissions.
There was never an M346, M347, M348, M351, etc, etc.

If you think the array of Linkerts is bewildering, Scheblers will leave you speechless.

....Cotten
Thanks Cotton, I forgot you were a member here. Are you still making floats ? If I use this Linkert I'll be getting with you later for some rebuild parts. Could you offer an opinion on the suitability of this carb for my project ? It's a M21 and looks like all the pieces are correct on it and it's in very good condition. It needs a new float ( the old cork one is deteriorated) and a pivot pin and fresh gaskets.
I want to use it on a 45 solo cut down. I have the larger intake that goes with it.
If that chart is to be believed (I got it from linkertcarbs.com) this carb was standard on the " 1930-1933 Harley 74" except commercial, 1930-1936 Harley DLD, RLD, 1936 Harley RL ". It came with a non running motor that is basicly a stock WLA with a '37 WL left case.
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Old 11-30-2010, 12:55 PM   #10
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Default Re: Linkert differences ?

LilBill!

Yes, I still machine floats to order as a service,
but please be aware that I only sell hardware directly related to my services. Liberty is not a mail-order retailer.

Does your M-21 have any nickel finish left?
Does it have a bronze bowl?

....Cotten
PS: After producing DURABLE floats for a decade, some of the earlier productions have swollen in pump gas. An improved material became available in June of '08, and I am replacing free of charge any that swell to exceed 3.400" in diameter. You need only return the float for verification that it is indeed a DURABLE.
Liberty will not replace original "Armstrongs" or competitor's imitations!

Thanks to this valuable forum for allowing me to make this announcement.

Liberty Motorcycle Specialties, Inc.
118 N. Washington St.
Lacon, IL 61540 USA

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Old 11-30-2010, 05:09 PM   #11
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Default Re: Linkert differences ?

51L is the good 3 bolt and easy to find,,,,,,or weld up a wld intake and redrill for 4 bolt like i did and run a m53 for having a bombsight and have it run really well
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Old 11-30-2010, 05:46 PM   #12
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Quote:
Originally Posted by suprrat View Post
51L is the good 3 bolt and easy to find,,,,,,or weld up a wld intake and redrill for 4 bolt like i did and run a m53 for having a bombsight and have it run really well
Suprrat!

You consider an M-51L THAT 'easy' to find?

Got a post-war one handy?

....Cotten
PS: Lyle!
I've never seen a B; Can you post me a pic of the stamp?
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Old 11-30-2010, 05:56 PM   #13
lilbill
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Default Re: Linkert differences ?

Quote:
Originally Posted by Cotten View Post
LilBill!

Does your M-21 have any nickel finish left?
Does it have a bronze bowl?

....Cotten

[email protected]
the nickel is all intact. it has an aluminum bowl with the nut on top of the needle/seat well, pivot pin screw and bearing cap, small bowl drain plug.
i'll post a pic tomorrow after i go camera shopping.
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Old 11-30-2010, 06:44 PM   #14
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Default Re: Linkert differences ?

Quote:
Originally Posted by Cotten View Post
Suprrat!

You consider an M-51L THAT 'easy' to find?

Got a post-war one handy?

....Cotten
PS: Lyle!
I've never seen a B; Can you post me a pic of the stamp?
yea ive had a few in my hands at wasseon and davenport and seen them on the bay often and went with a m53 which was just as easy to find

there is 4 on right now!
http://motors.shop.ebay.com/__?_from...rt+m-51&_sacat=
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