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Engine Hubs and Sprockets, 5/8" and 3/4"

Engine Hubs and Sprockets, 5/8" and 3/4"
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PRODUCT OPTIONS

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Sprocket Hub*
Sprockets #35and #40 Chain
Sprockets #520 Chain
ENGINE
HUBS AND SPROCKETS
These Hubs and Sprockets mount on a 5/8" or 3/4" Axle or Engine Crankshaft

Engine-Hubs are designed to accommodate a wide variety of  sprockets
 
2037 has a 5/8" Bore, Steel 
2038 has a 3/4" Bore, Steel
2039 has s 3/4" Bore, Billet Aluminum 
 
All Hubs have a  3/16" Keyway
All of the Sprockets on this page fit these Hubs

 view and print the SPEC SHEET to assist in ordering

Engine Hubs

BORE

KEY

BOLT CIRCLE 

PATTERN

PART

2 Piece Steel Hub

5/8"

3/16"

1.687"

P5256

2037

2 Piece Steel Hub

3/4"

3/16"

1.687"

P5256

2038

Billet Split Aluminum Hub

3/4"

3/16"

1.680"

P5248

2039

  A complete selection of Sprockets and Hubs can be found in Hubs and Sprockets

2037 & 2038  ENGINE HUB

    • 2037 5/8" Bore
    • 2038 3/4" Bore
    • 3/16" Keyway
    • 3-Hole 1.687" Bolt Circle
    • Bolt Patern P5256
    • for 1" ID Sprockets, any chain size
    • fits Sprockets Shown Below

 

 

 

 

 

 

 

NOTE: Make sure the Sprocket you order has the same Bolt Pattern as the Hub you select

SPROCKETS for 2037 & 2038 Engine Hub

CHAIN

BORE

TOOTH RANGE

BOLT CIRCLE

PATTERN

 PART#

#35

1" 

21-36

1.687"

P5256

20XX

#35

1" 

37-94

1.687"

P5256

T5313-XX

#40

1" 

17-80

1.687"

P5256

T5315-XX

#520

1" 

18-63

1.687"

P5256

T5316-XX

  XX = the last 2 digits of the part number is the number of teeth in the sprocket.

 

 

 

 

 

 

 

2039 SPLIT ALUMINUM HUB

  • 3/4" Bore
  • 3/16" Keyway
  • 3-Hole 1.680" Bolt Circle
  • Bolt Patern P5248
  • for 1" ID Sprockets, any chain size
  • fits Sprockets Shown Below
 

 

 

SPROCKETS for 2039 Engine Hub

CHAIN

BORE

TOOTH RANGE

BOLT CIRCLE

PATTERN

 PART#

#35

1" 

21-36

1.680"

P5248

T5313-XX

#40

1" 

17-80

1.680"

P5248

T5315-XX

#520

1" 

18-63

1.680"

P5248

T5316-XX

XX = the last 2 digits of the part number is the number of teeth in the sprocket.

MFG: Azusa
Part No: A20XX
  
WARNING, DEATH OR INJURY CAN OCCUR

GOKARTS AND MINIBIKES CAN BE DANGEROUS TO OPERATE. INJURY AND DEATH CAN RESULT FROM IMPROPER ASSEMBLY and/or operation. Customer assumes all risk associated with assembling, building and operating any minibike or gokart kit. Gokarts USA is not the manufacturer and assumes no liability, customer agrees to hold harmless gokarts USA and it's associates, affiliates and parent companies. Customer responsible for engine and drivetrain installation on any gokart or minibike.

MECHANIC RECOMMENDED
Gokart and Minibike kits must be assembled by a qualified mechanic for safety reasons as well as proper operation. These are parts only. The Customer is responsible for final design and building of the minibike and installing the Drivetrain. Customer assumes all risk associated with assembling and operating any minibike, gokart or any vehicle the customer builds using these parts. Kits are sold without an engine. Customers should complete a rider safety course prior to the operation of any powersport product.

NO WARRANTY
No warranty on kits. Kits are not returnable for any reason and no refunds will be issued. Customer is responsible for painting and assembly of kit. For safety reasons as well as proper operation, we strongly recommend that kits are assembled and/or inspected by a qualified mechanic or persons with appropriate mechanical expertise prior to operation. We cannot refund or exchange your kit if you cannot perform these functions or refuse to let a shop do it for you

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