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Monster Scooter Parts  |  SKU: X98-8931

9 Tooth Jackshaft Sprocket for #40/#41/420 Chain (5/8" Inside Diameter)

$11.99

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This item has a 30 day warranty. Warranty Policy

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  • US domestic ship to addresses only.
  • Does not include expedited shipping services.
Key Features
  • Integral (broached) 3/16" shaft key
  • For #40, #41, & 420 chain
  • 5/8" bore diameter
  • 1-9/16" external diameter
  • Type C sprocket

Description
This 9 tooth jackshaft sprocket is used with size #40, #41, and 420 chains. It uses the common 5/8" bore (inside) diameter that matches up to the 5/8" axle shafts on many popular mini bike and go-kart models. In addition, this jackshaft sprocket is rather useful to the custom go-kart or mini bike builder who wants to design and assemble their own unique machine.

Categorized as a Type C sprocket, the 5/8" thick hub is centered equally on both sides. (Type B sprockets have the hub offset to one side.) In addition, the shaft key is an integral (or "broached") part of the sprocket.

Note: This jackshaft sprocket is not compatible with the Baja & Falcon mini bikes. These brands use sprockets with a slightly larger 0.675" internal diameter.

⚠ WARNING California Residents: Proposition 65 Warning

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Specifications

Tooth count: 9
Bore diameter: 5/8"
External diameter: 1-9/16"
Hub width: 5/8"
Broached key width: 3/16"

Compatibility