* Linkert / Schebler Carburetors *

Into The Wilderness Trading
11/25/11
Linkert M Model Carburetors
New information to add to this always appreciated.
Note that some models such as the M5,M4, etc, had both early 2 bolt & later 4 bolt air cleaner flanges and some models also had 4 lines of information on the "L&L Manufacturing" side while others of the same model had 3 lines. The "Langsenkamp"line was dropped in early 1940, so if the carb has 4 lines, it is pre-1940, 3 lines 1940 -up. Also note that some models such as the M74 & M74B had both early and late body castings and these castings overlap, and the M74 had 2 types of number stamps, early was centered, late was in the same location as the 74B.
I have a complete list of what body castings were used on what carb models and will post one of these days when I am really bored.
This information may be posted or re-printed provided that www.linkertcarbs.com is indicated as the source.

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 Harley E,EL ( 2 bolt air cleaner, 4 line, 2-348 casting, the "4" stamped by hand on a raised boss)
M5        1937 Harley E,EL ( 4 bolt air cleaner, 4 line, 2-348 casting, the "4" stamped by hand on a raised boss)
M5        1938 Harley E,EL ( 4 bolt air cleaner flange,4 line, 2-348 casting,the "4"cast in with the other numbers,
                                          2 soldered in plugs & 2 threaded drill plugs in the bowl stem )
M5        1939 Harley E,EL ( 4 bolt air cleaner,4 line, 2-348 casting, the "4"cast in with the other numbers,
                                         2 threaded drill plugs only in the bowl stem )
M5F      1936-1939 Harley E,EL ( Police/ CHP )
MR5      Harley racing carb.
M10/H4       Henderson 4 cyl. ?
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
M25R    1940 ? Harley Race Carb - same casting as M25S but in ALUMINUM with very unique main nozzle
M25S    1940 Harley WLDR, early 1941 WLDR
M31      1930-1933 Harley 74" except commercial, 1930-1936 Harley DLD, RLD, 1936 Harley RL
M31F1   1930-1933 Harley Police ?
M341    1941 Indian Chief 74
M342    1942 Indian Chief 74
M343    1943 Indian Chief 74
M344    1944 Indian Chief 74
M344NYPD 1944 Indian Chief 74, New York Police Dept.
M346    1946-1948 Indian Chief 74 ( production questionable )
M347     No production
M348    1946-1948 Indian Chief 74 ( production questionable )
M35      1941-1947 Harley E,EL, 1941-1947 F,FL
M35T    1948 Harley E,EL, 1948 F,FL
M35TP 1948 Harley E,EL, 1948 F,FL
M35P     1947 Harley Police
M35S     Late 1941 Harley WLDR, 1941 WRTT
M35F     1942-1948 Harley Police
M350     1950 Indian Chief 80
M351     No production
M352     1952-1953 Indian Chief 80 ( ALL 352 models are factory restamps of different carbs as Indian was using various parts left "on the shelf" )
M352C 1952 Indian Chief, Chicago Police Dept.
M352NYPD 1952 Indian Chief, New York Police Dept.
M352xxx Various police depts. Replace the X's with CA, CHP,F etc.
MBONN Indian(always has a small 6 to right of number boss as do "most" of the M352s since most were restamped MBONNs)
M36     1949-E-1950 Harley 61, E-1949 F,FL
M36A    1949-E-1950 Harley 61, E-1949 F,FL (field conversion for M36)
M36S     1948- L1949 Panhead Racing (distinct nozzle - see photo below)
M41       1937-1941 Harley WL, WLD, 1936 Harley VLD
M41L     1935-1936 Harley VLH
M42       1937-1948 Harley 74" & 80" side valve
M441      1941-1942 Indian 4 cyl
M442      1941-1942 Indian 4 cyl
M45        L-1949-E-1950 Harley F,FL ( #12 disc for 61", 9X disc for 74")
M45A      L-1949-E-1950 Harley F,FL ( field conversion for M45) ( #12 disc for 61", 9X disc for 74")
M45S      L1949- E1950 Panhead Racing (distinct nozzle - see photo below)
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 (there is also a version with a distinct racing nozzle, but with no different model
                # - see nozzle photo below - this is one of several I have pulled from 53s, all the same )
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 398 casting, early type number stamp) L-1950 ( #12 disc for 61", 9X disc for 74")
M74        (later 408 casting, late type number stamp in same location as M74B )E-1951 Harley F,FL ( see above)
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 1941-1948 Harley ( #12 disc for 61", 9X disc for 74")
M77        Unknown application
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

L&L DC Model carburetor applications -
Went through old records back to 1965 & this is correct DC fitment, once and for all.

DC1 1957 Sportster XL

DC-1L 1958 Sportster XL
DC1M       1959-1960 Sportster XL
DC-2    1959-1965 Servicar
DC4           Have only seen 2 since 1965 and I have no idea of freaking fitment !
                   Probably an experimental L1960 or E1961 Sportster XL carb. These had #10 fixed jets.
DC-6         1961 Sportster XLH,XLCH
DC-7         1966 FL,FLH
DC-10     1962-E1963 Sportster XLH,XLCH ( also used on 1969 militray XLB )
DC-12       L1963-1965 Sportster XLH,XLCH ( also used on 1969 military XLB )
All except DC2 are the same body. NOS bodies actually were shipped blank and the dealer stamped the number needed on them. I have owned a number of these NOS bodies over the years. If you have a larger bore body using a 9X throttle disc, this is from the modification bulletin Harley put out on the DC carbs many years ago. I do have a copy of this and it is posted here.
Differences on all except the DC2 were in jet sizes. If you go to our Jet page you can see which jets fit which models.


Into The Wilderness Trading 11/25/11 Linkert M Model Carburetors New information to add to this always appreciated. Note that some models such as the M5,M4, etc, had both early 2 bolt & later 4 bolt air cleaner flanges and some models also had 4 lines of information on the "L&L Manufacturing" side while others of the same model had 3 lines. The "Langsenkamp"line was dropped in early 1940, so if the carb has 4 lines, it is pre-1940, 3 lines 1940 -up. Also note that some models such as the M74 & M74B had both early and late body castings and these castings overlap, and the M74 had 2 types of number stamps, early was centered, late was in the same location as the 74B. I have a complete list of what body castings were used on what carb models and will post one of these days when I am really bored. This information may be posted or re-printed provided that www.linkertcarbs.com is indicated as the source. 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 Harley E,EL ( 2 bolt air cleaner, 4 line, 2-348 casting, the "4" stamped by hand on a raised boss) M5 1937 Harley E,EL ( 4 bolt air cleaner, 4 line, 2-348 casting, the "4" stamped by hand on a raised boss) M5 1938 Harley E,EL ( 4 bolt air cleaner flange,4 line, 2-348 casting,the "4"cast in with the other numbers, 2 soldered in plugs & 2 threaded drill plugs in the bowl stem ) M5 1939 Harley E,EL ( 4 bolt air cleaner,4 line, 2-348 casting, the "4"cast in with the other numbers, 2 threaded drill plugs only in the bowl stem ) M5F 1936-1939 Harley E,EL ( Police/ CHP ) MR5 Harley racing carb. M10/H4 Henderson 4 cyl. ? 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 M25R 1940 ? Harley Race Carb - same casting as M25S but in ALUMINUM with very unique main nozzle M25S 1940 Harley WLDR, early 1941 WLDR M31 1930-1933 Harley 74" except commercial, 1930-1936 Harley DLD, RLD, 1936 Harley RL M31F1 1930-1933 Harley Police ? M341 1941 Indian Chief 74 M342 1942 Indian Chief 74 M343 1943 Indian Chief 74 M344 1944 Indian Chief 74 M344NYPD 1944 Indian Chief 74, New York Police Dept. M346 1946-1948 Indian Chief 74 ( production questionable ) M347 No production M348 1946-1948 Indian Chief 74 ( production questionable ) M35 1941-1947 Harley E,EL, 1941-1947 F,FL M35T 1948 Harley E,EL, 1948 F,FL M35TP 1948 Harley E,EL, 1948 F,FL M35P 1947 Harley Police M35S Late 1941 Harley WLDR, 1941 WRTT M35F 1942-1948 Harley Police M350 1950 Indian Chief 80 M351 No production M352 1952-1953 Indian Chief 80 ( ALL 352 models are factory restamps of different carbs as Indian was using various parts left "on the shelf" ) M352C 1952 Indian Chief, Chicago Police Dept. M352NYPD 1952 Indian Chief, New York Police Dept. M352xxx Various police depts. Replace the X's with CA, CHP,F etc. MBONN Indian(always has a small 6 to right of number boss as do "most" of the M352s since most were restamped MBONNs) M36 1949-E-1950 Harley 61, E-1949 F,FL M36A 1949-E-1950 Harley 61, E-1949 F,FL (field conversion for M36) M36S 1948- L1949 Panhead Racing (distinct nozzle - see photo below) M41 1937-1941 Harley WL, WLD, 1936 Harley VLD M41L 1935-1936 Harley VLH M42 1937-1948 Harley 74" & 80" side valve M441 1941-1942 Indian 4 cyl M442 1941-1942 Indian 4 cyl M45 L-1949-E-1950 Harley F,FL ( #12 disc for 61", 9X disc for 74") M45A L-1949-E-1950 Harley F,FL ( field conversion for M45) ( #12 disc for 61", 9X disc for 74") M45S L1949- E1950 Panhead Racing (distinct nozzle - see photo below) 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 (there is also a version with a distinct racing nozzle, but with no different model # - see nozzle photo below - this is one of several I have pulled from 53s, all the same ) 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 398 casting, early type number stamp) L-1950 ( #12 disc for 61", 9X disc for 74") M74 (later 408 casting, late type number stamp in same location as M74B )E-1951 Harley F,FL ( see above) 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 1941-1948 Harley ( #12 disc for 61", 9X disc for 74") M77 Unknown application 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 L&L DC Model carburetor applications - Went through old records back to 1965 & this is correct DC fitment, once and for all. DC1 1957 Sportster XL DC-1L 1958 Sportster XL DC1M 1959-1960 Sportster XL DC-2 1959-1965 Servicar DC4 Have only seen 2 since 1965 and I have no idea of freaking fitment ! Probably an experimental L1960 or E1961 Sportster XL carb. These had #10 fixed jets. DC-6 1961 Sportster XLH,XLCH DC-7 1966 FL,FLH DC-10 1962-E1963 Sportster XLH,XLCH ( also used on 1969 militray XLB ) DC-12 L1963-1965 Sportster XLH,XLCH ( also used on 1969 military XLB ) All except DC2 are the same body. NOS bodies actually were shipped blank and the dealer stamped the number needed on them. I have owned a number of these NOS bodies over the years. If you have a larger bore body using a 9X throttle disc, this is from the modification bulletin Harley put out on the DC carbs many years ago. I do have a copy of this and it is posted here. Differences on all except the DC2 were in jet sizes. If you go to our Jet page you can see which jets fit which models.
M36S & M45S racing nozzle	M53 Racing Nozzle ( alcohol ? ) Possibly used on 53A1 although I have only found in M53 so far and then only in some bombsight versions.
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