Speedway Motors Museum of American Speed
  • Home
  • About
    • History
    • Our Team
    • Volunteers
  • Displays
    • Vehicles >
      • Open Wheel >
        • 1935 Miller-Ford
        • Mechanical Rabbit
        • Johnny Lightning Special
        • #8 Blue Crown Spark Plug Special
        • #45 “The Pup” Champ Car
        • Wolfgang #4 Sprint Car
        • #4 LeFevre Dirt Champ Car
        • Opperman's 4x Sprint Car
        • #1 Dunseth Sprint Car
        • #5 Randol Offy
        • 4x Sedan
        • Wolfgang 4x Sprint car
        • 4x Offset Roadster
        • #43 Christie Miller
        • #57 Plymouth STP
        • Blue Crown Special
        • Tamale Wagon
        • #11 Kinser Sprint Car
        • #1 Kodiak Special
        • Channel-Lock Special
        • Stealth Special
        • Andy Gump Sprint Car
        • #94 Kenny Weld Sprint Car
        • Black Deuce
        • #1 Delrose Holt Silver Crown
        • #30 P.O.B Sprint Car
        • #2 Watson Dirt Champ car
        • #5 Watson Roadster
        • #96 Trostle Sprint Car
        • #94 Nance Super Modified
      • Indy Pit >
        • #54 Chicago Rawhide Special
        • #81 Central Excavating Special
        • 1914 Cornelian
      • Music Room >
        • Lively Set Car
      • Bill's Garage >
        • 1953 Corvette
        • Hedy Lamarr's 1958 Cadillac
        • 1920 Model T Ford Hot Rod
        • Lady Luck T-Bucket
        • 1949 Kurtis Sports Car
        • Jack Beck's Alfa Romeo
        • 8 Ball Hudson
        • Ariel Square Four Motorcycle
        • Turbine Powered Daytona Boss
        • 2003 Honest Charley's Flathead Motorcycle
        • #2 Harley-Davidson Motorcycle
        • Coors Extra Gold "32
        • The Dale Car
        • 1966 Plymouth Hemi Belvedere
      • Land Speed >
        • MacKichan-Schulz Streamliner
        • Rossi's 1927 T Cosworth
        • Eelco Wee Eel II
        • #494 Model A Streamliner
        • #43 Creel Lakester
        • Ron Main's Flatfire Streamliner
        • HAL Dry Lakes Roadster
        • Art Gerrick's Dry Lakes Car
        • 1933 Chevy Comp Coupe
        • #77 Seth Hammond Lakester
      • Safety >
        • Jack Petty Ford
      • Show Cars >
        • Bergler's 'More Aggravation'
        • Red Baron
        • 1934 "Sweet Dreams" Ford Roadster
        • "Big Daddy" Roth's Outlaw Tribute
        • 1937 Studebaker Extremeliner
        • Boothill Express
        • Fahrner's X-Ray Roadster
        • Goldbrick
        • Venus
        • Zausner Speedway Special Roadster
        • Zausner Vicky
      • Luxury Cars >
        • Tucker
        • Duesenberg Model J
        • Essence of Bucciali
      • Legends in Racing >
        • 1965 Mustang GT
        • Shelby Series 1 Roadster
        • Pumpkin Seed
      • Dragsters >
        • GMC Dragter
        • Tony Nancy Wedge II
        • 303 Roadtser
        • Smaldino & Yates "Fargo" Dragster
        • E.J. Potter's "Whizzer" Drag Bike
        • Ramcharger Funny Car
        • Swamp Rat V-B
        • 1931 Bantam Drag Car
      • NASCAR >
        • #21 Pearson Mercury
        • #26 Curtis Turner 1956 Ford Sunliner
        • 1956 Pontiac Sedan
        • Robert Yates Racing Ford
        • #9 Kasey Kahne
      • Le Mans >
        • Cadillac LMP Le Mans Prototype
      • Model T >
        • Montier Ford
        • 5 Millionth Ford
        • Lloyd Fisher Fronty Race Car & Hauler
        • #6 Voboril Brothers
        • Craig-Hunt T-Powered Race Car
        • The Galvanized Bullet
        • Twin-Engine Model T Speedster
        • Spruce Deuce
        • Mercury Speedster
        • Edsel's Hot Rod
        • Fronty-Ford #27
        • 1908 REO
        • 1886 Benz Replica
        • 1912 Indian Board Track Racer
      • Model A and B >
        • ​1931 Model A Coupe
        • Hy-Point Special
        • Red Devil Pickup
      • Flathead Ford V-8 >
        • 1950's Roaring Roadster
      • Orphan Engines (Misc.) >
        • #26 Miller Fertilizer Special
        • #60 Super Modified
        • Arnold's Auto Wrecking Jalopy
        • #2 Ranger Sprint Car
      • Quarter Midgets >
        • Micro-Sprint #95
        • 1959 Moss (1/2) Midget
        • TQ Midget
        • Offyette Quarter Midget
        • Elvis's Quarter Midget
        • Dreyer Junior Racers
        • #8 June Bug
      • Midget Racers >
        • Lloyd Axel #5
        • Edmunds-Sesco Midget
        • #97 Henderson
        • #46 Kurtis Kraft Offenhauser
        • #1 Edmunds-Kenyen
        • #10 Lynch Offy
        • #1 Bardahl Special
        • #4 Ramada Inn Offy
        • #76 Honker
        • #4 Rex Mays Offy
        • #44 Ed's Auto V8-60
        • Lewis-Yeley Midget
        • Wilke-Pak Mopar
        • #8 Reichenbach SESCO Midget
        • #78 Red Caruthers Midget
    • Engines >
      • Miller Room >
        • 272 ci Miller DOHC v-16
        • 1932 Miller 308 c.i. DOHC V-8
        • 1953 Studebaker DOHC V-8
        • Miller DOHC 200 c.i. 4 Cylinder engine
      • Open Wheel >
        • Moser
        • Rodeck 406 Engine
        • 220 Offenhauser
        • Robert Roof SOHC
        • Rajo-Lencki 4
        • Gallivan DOHC
        • 1913 Chalmers
        • Plymouth Weslake
        • Voelker 6
        • Foyt DOHC Indy Engine
      • Indy Pit >
        • 2002 Toyota RV8F CART engine
        • Cosworth DFX Indy Engine
        • Mercedes Indy Engine
        • Brayton V-8 Indy Engine
        • Drake V8
        • Fronty-Ford "DO" Engine
        • 1935 Studebaker Straight-8
        • Fueling Oldsmobile Indy Engine
        • Weslake Chevy Conversion
        • Gurney-Eagle Ford Indy Engine
        • Supercharged Offy 110
      • Bill's Garage >
        • 1915 Wilbee V-8 Engine
      • Land Speed >
        • Ron Main's Flat Fire
        • MacKichan-Schulz 302 CID Chevrolet
      • Luxury Car Engines >
        • 1930 Cadillac V-16
      • Legends in Racing >
        • Yunick Twin Turbo
      • Model T >
        • HAL Akron-Hed
      • Model A and B >
        • HAL SOHC
      • Flathead Ford V-8 >
        • V-8 60 Ardun OHV Conversion Display
        • Tornado OHV Conversion
        • Robertson Flathead
        • V-8 Ford Birner
        • Ford Alexander
      • Orphan Engines (Misc.) >
        • Hudson Twin H-Power 6 Cylinder
        • 1923 Chevrolet Series M
        • Sweet 16 Chevrolet
        • Hispano-Suiza Engine
        • 1911 Reynolds Rotary Valve 4-Cyl. Engine
        • Alfa Romeo Twin Cam Engine
        • Bugatti Type B Engine
        • Scheel Rotary Valve Head
        • The "Cheater" Manifold
        • Chevy Twin Turbo
      • Midget Racers >
        • SESCO Engines
        • V-4 Cylinder Chevrolet Wilson
        • 2-Cylinder Offy
        • Stapp Engine
        • SCAT Engine
        • V-8 Cylinder Oldsmobile 215
        • Popp SOHC
        • Marchese DOHC
        • Simonek Engine
    • People >
      • Famous Builders >
        • A.J. Watson
        • Harry A. Miller
        • Ed Iskendarian
        • Stu Hilborn
        • Mickey Thompson
        • Smokey Yunick
        • Carroll Shelby
        • Vic Edelbrock Sr.
        • Robert Roof
        • Leo Goossen
      • Speedway Motors Drivers >
        • Jan Opperman
        • Doug Wolfgang
        • Joe Saldana
        • Cheryl Glass
        • Tiny Lund
        • Lloyd Beckman
        • Cliff Sealock
        • Don Brown
        • Keith Hightshoe
        • Bob Coulter
        • Tim Schulz
        • Grady Wade
        • Larry Dickson
        • Howdy Williams
        • Jay Woodside
        • John Wilkinson
        • Ray Lee Goodwin
        • Don Droud Jr.
        • Frank Brennfoerder
        • Woody Brinkman
        • Bill Utz
        • Ed Bowes
        • Harold Leep
        • Thad Dosher
        • Roy Bryant
        • Dick Sutcliffe
        • Don Maxwell
        • Danny Wallace
        • Lonnie Jensen
        • Jerry Stone
        • John Gerloff
        • Bob Burdick
        • Shane Carson
        • John Larson
        • Ed Leavitt
        • John MacKichan
        • Bill Smith
        • Greg Weld
        • Gordon Woolley
        • Kyle Berck
      • Famous Photographers >
        • Leroy Byers
        • Bob Mays
    • Toys, Etc. >
      • Buck Rogers
      • Lunch Boxes
      • Pedal Cars
      • Tether Cars >
        • #777 Garold Frymire Streamliner
        • Champion
        • Olsen Machine
        • Polywog
        • Richter #2
        • Richter #12
        • Royal
        • Bluebird Streamliner
      • Soap Box Derby
      • Cookie Jars
      • Car Mascots
      • Taxi
      • Car Club Plaques
    • Safety Display
  • Events
    • Cars & Coffee
    • Speedsters Trials & Reunion
    • Plan Your Event
  • Get Involved
    • Donate
    • Membership
  • Contact
  • Visit
    • Harvest Hosts
    • School Field Trips
    • FAQ
  • Shop

​#2 Harley-Davidson Motorcycle

In 1903, William Harley and brothers Arthur and Walter Davidson pieced together the first H-D motorcycle.  They built three single-cylinder engine motorcycles that year.  Their first production model V-twin motor, displacing 50 cubic inches, was released in 1909; a 61-cubic-inch version was added in 1912. 
 
Early H-D single-cylinder motors had overhead intake valves that were opened by vacuum rather than mechanical cam action. ​The first V-twin likewise had vacuum-operated intake valves – which didn't work particularly well.  When it was re-introduced in 1911, the V-twin had normal cam-actuated intake valves.  Exhaust valves were mounted in the block (side valve) in all cases.
The V-twin, which had grown from 50 cubic inches to 61 for 1912, was joined by a 74-cubic-inch version in 1921 -- the first of the famed "Seventy-fours."  Improvements were made to the V-twin's original IOE design over the years, but by the late 1920s they still had exposed valve trains that were messy to run, difficult to maintain, and highly susceptible to wear.

In 1929, the 45-cubic-inch V-twin engine (later to be known as the “flathead”) was introduced on the D model.  That engine proved to be so reliable that variations of it were available on H-D motorcycles as late as 1973.
​
  • Front wheel brakes, which became available on all H-D motorcycles in 1928
  • Engine/motor (serial # 28 JD 12500) is a V-twin F-head, also known as JD, pocket valve, and IOE (intake over exhaust)
  • 3-spd sliding gear transmission.
  • Teardrop fuel tank
About
History
​Events
​Cars & Coffee
​
Speedsters Reunion
Model T Driving
Donate
​Displays
​Contact
Visit
Shop
​FAQ
​
Picture

Copyright © 2019 | Museum of American Speed | 599 Oakcreek Drive Lincoln, NE | 402-323-3166

Employee Login
  • Home
  • About
    • History
    • Our Team
    • Volunteers
  • Displays
    • Vehicles >
      • Open Wheel >
        • 1935 Miller-Ford
        • Mechanical Rabbit
        • Johnny Lightning Special
        • #8 Blue Crown Spark Plug Special
        • #45 “The Pup” Champ Car
        • Wolfgang #4 Sprint Car
        • #4 LeFevre Dirt Champ Car
        • Opperman's 4x Sprint Car
        • #1 Dunseth Sprint Car
        • #5 Randol Offy
        • 4x Sedan
        • Wolfgang 4x Sprint car
        • 4x Offset Roadster
        • #43 Christie Miller
        • #57 Plymouth STP
        • Blue Crown Special
        • Tamale Wagon
        • #11 Kinser Sprint Car
        • #1 Kodiak Special
        • Channel-Lock Special
        • Stealth Special
        • Andy Gump Sprint Car
        • #94 Kenny Weld Sprint Car
        • Black Deuce
        • #1 Delrose Holt Silver Crown
        • #30 P.O.B Sprint Car
        • #2 Watson Dirt Champ car
        • #5 Watson Roadster
        • #96 Trostle Sprint Car
        • #94 Nance Super Modified
      • Indy Pit >
        • #54 Chicago Rawhide Special
        • #81 Central Excavating Special
        • 1914 Cornelian
      • Music Room >
        • Lively Set Car
      • Bill's Garage >
        • 1953 Corvette
        • Hedy Lamarr's 1958 Cadillac
        • 1920 Model T Ford Hot Rod
        • Lady Luck T-Bucket
        • 1949 Kurtis Sports Car
        • Jack Beck's Alfa Romeo
        • 8 Ball Hudson
        • Ariel Square Four Motorcycle
        • Turbine Powered Daytona Boss
        • 2003 Honest Charley's Flathead Motorcycle
        • #2 Harley-Davidson Motorcycle
        • Coors Extra Gold "32
        • The Dale Car
        • 1966 Plymouth Hemi Belvedere
      • Land Speed >
        • MacKichan-Schulz Streamliner
        • Rossi's 1927 T Cosworth
        • Eelco Wee Eel II
        • #494 Model A Streamliner
        • #43 Creel Lakester
        • Ron Main's Flatfire Streamliner
        • HAL Dry Lakes Roadster
        • Art Gerrick's Dry Lakes Car
        • 1933 Chevy Comp Coupe
        • #77 Seth Hammond Lakester
      • Safety >
        • Jack Petty Ford
      • Show Cars >
        • Bergler's 'More Aggravation'
        • Red Baron
        • 1934 "Sweet Dreams" Ford Roadster
        • "Big Daddy" Roth's Outlaw Tribute
        • 1937 Studebaker Extremeliner
        • Boothill Express
        • Fahrner's X-Ray Roadster
        • Goldbrick
        • Venus
        • Zausner Speedway Special Roadster
        • Zausner Vicky
      • Luxury Cars >
        • Tucker
        • Duesenberg Model J
        • Essence of Bucciali
      • Legends in Racing >
        • 1965 Mustang GT
        • Shelby Series 1 Roadster
        • Pumpkin Seed
      • Dragsters >
        • GMC Dragter
        • Tony Nancy Wedge II
        • 303 Roadtser
        • Smaldino & Yates "Fargo" Dragster
        • E.J. Potter's "Whizzer" Drag Bike
        • Ramcharger Funny Car
        • Swamp Rat V-B
        • 1931 Bantam Drag Car
      • NASCAR >
        • #21 Pearson Mercury
        • #26 Curtis Turner 1956 Ford Sunliner
        • 1956 Pontiac Sedan
        • Robert Yates Racing Ford
        • #9 Kasey Kahne
      • Le Mans >
        • Cadillac LMP Le Mans Prototype
      • Model T >
        • Montier Ford
        • 5 Millionth Ford
        • Lloyd Fisher Fronty Race Car & Hauler
        • #6 Voboril Brothers
        • Craig-Hunt T-Powered Race Car
        • The Galvanized Bullet
        • Twin-Engine Model T Speedster
        • Spruce Deuce
        • Mercury Speedster
        • Edsel's Hot Rod
        • Fronty-Ford #27
        • 1908 REO
        • 1886 Benz Replica
        • 1912 Indian Board Track Racer
      • Model A and B >
        • ​1931 Model A Coupe
        • Hy-Point Special
        • Red Devil Pickup
      • Flathead Ford V-8 >
        • 1950's Roaring Roadster
      • Orphan Engines (Misc.) >
        • #26 Miller Fertilizer Special
        • #60 Super Modified
        • Arnold's Auto Wrecking Jalopy
        • #2 Ranger Sprint Car
      • Quarter Midgets >
        • Micro-Sprint #95
        • 1959 Moss (1/2) Midget
        • TQ Midget
        • Offyette Quarter Midget
        • Elvis's Quarter Midget
        • Dreyer Junior Racers
        • #8 June Bug
      • Midget Racers >
        • Lloyd Axel #5
        • Edmunds-Sesco Midget
        • #97 Henderson
        • #46 Kurtis Kraft Offenhauser
        • #1 Edmunds-Kenyen
        • #10 Lynch Offy
        • #1 Bardahl Special
        • #4 Ramada Inn Offy
        • #76 Honker
        • #4 Rex Mays Offy
        • #44 Ed's Auto V8-60
        • Lewis-Yeley Midget
        • Wilke-Pak Mopar
        • #8 Reichenbach SESCO Midget
        • #78 Red Caruthers Midget
    • Engines >
      • Miller Room >
        • 272 ci Miller DOHC v-16
        • 1932 Miller 308 c.i. DOHC V-8
        • 1953 Studebaker DOHC V-8
        • Miller DOHC 200 c.i. 4 Cylinder engine
      • Open Wheel >
        • Moser
        • Rodeck 406 Engine
        • 220 Offenhauser
        • Robert Roof SOHC
        • Rajo-Lencki 4
        • Gallivan DOHC
        • 1913 Chalmers
        • Plymouth Weslake
        • Voelker 6
        • Foyt DOHC Indy Engine
      • Indy Pit >
        • 2002 Toyota RV8F CART engine
        • Cosworth DFX Indy Engine
        • Mercedes Indy Engine
        • Brayton V-8 Indy Engine
        • Drake V8
        • Fronty-Ford "DO" Engine
        • 1935 Studebaker Straight-8
        • Fueling Oldsmobile Indy Engine
        • Weslake Chevy Conversion
        • Gurney-Eagle Ford Indy Engine
        • Supercharged Offy 110
      • Bill's Garage >
        • 1915 Wilbee V-8 Engine
      • Land Speed >
        • Ron Main's Flat Fire
        • MacKichan-Schulz 302 CID Chevrolet
      • Luxury Car Engines >
        • 1930 Cadillac V-16
      • Legends in Racing >
        • Yunick Twin Turbo
      • Model T >
        • HAL Akron-Hed
      • Model A and B >
        • HAL SOHC
      • Flathead Ford V-8 >
        • V-8 60 Ardun OHV Conversion Display
        • Tornado OHV Conversion
        • Robertson Flathead
        • V-8 Ford Birner
        • Ford Alexander
      • Orphan Engines (Misc.) >
        • Hudson Twin H-Power 6 Cylinder
        • 1923 Chevrolet Series M
        • Sweet 16 Chevrolet
        • Hispano-Suiza Engine
        • 1911 Reynolds Rotary Valve 4-Cyl. Engine
        • Alfa Romeo Twin Cam Engine
        • Bugatti Type B Engine
        • Scheel Rotary Valve Head
        • The "Cheater" Manifold
        • Chevy Twin Turbo
      • Midget Racers >
        • SESCO Engines
        • V-4 Cylinder Chevrolet Wilson
        • 2-Cylinder Offy
        • Stapp Engine
        • SCAT Engine
        • V-8 Cylinder Oldsmobile 215
        • Popp SOHC
        • Marchese DOHC
        • Simonek Engine
    • People >
      • Famous Builders >
        • A.J. Watson
        • Harry A. Miller
        • Ed Iskendarian
        • Stu Hilborn
        • Mickey Thompson
        • Smokey Yunick
        • Carroll Shelby
        • Vic Edelbrock Sr.
        • Robert Roof
        • Leo Goossen
      • Speedway Motors Drivers >
        • Jan Opperman
        • Doug Wolfgang
        • Joe Saldana
        • Cheryl Glass
        • Tiny Lund
        • Lloyd Beckman
        • Cliff Sealock
        • Don Brown
        • Keith Hightshoe
        • Bob Coulter
        • Tim Schulz
        • Grady Wade
        • Larry Dickson
        • Howdy Williams
        • Jay Woodside
        • John Wilkinson
        • Ray Lee Goodwin
        • Don Droud Jr.
        • Frank Brennfoerder
        • Woody Brinkman
        • Bill Utz
        • Ed Bowes
        • Harold Leep
        • Thad Dosher
        • Roy Bryant
        • Dick Sutcliffe
        • Don Maxwell
        • Danny Wallace
        • Lonnie Jensen
        • Jerry Stone
        • John Gerloff
        • Bob Burdick
        • Shane Carson
        • John Larson
        • Ed Leavitt
        • John MacKichan
        • Bill Smith
        • Greg Weld
        • Gordon Woolley
        • Kyle Berck
      • Famous Photographers >
        • Leroy Byers
        • Bob Mays
    • Toys, Etc. >
      • Buck Rogers
      • Lunch Boxes
      • Pedal Cars
      • Tether Cars >
        • #777 Garold Frymire Streamliner
        • Champion
        • Olsen Machine
        • Polywog
        • Richter #2
        • Richter #12
        • Royal
        • Bluebird Streamliner
      • Soap Box Derby
      • Cookie Jars
      • Car Mascots
      • Taxi
      • Car Club Plaques
    • Safety Display
  • Events
    • Cars & Coffee
    • Speedsters Trials & Reunion
    • Plan Your Event
  • Get Involved
    • Donate
    • Membership
  • Contact
  • Visit
    • Harvest Hosts
    • School Field Trips
    • FAQ
  • Shop