Order Toll Free: 1-(888)-926-6554 My Account: Log In

0 item(s) in cart/ total: $0 view cart
  • BMI on Facebook
  • About BMI Karts & Supplies
  • BMI Karts & Supplies is proud to be the internet leader for factory direct go kart parts and accessories. Visit our online catalog for go cart and racing kart parts, kits, frames and more. We carry all the top manufactures (Azusa, MCP, Briggs, Dynocam, Comet) for everything a gokart needs from axles, wheel and brake assemblies.

    Need a drive chain, gokart clutch or drive sprockets? We carry a huge inventory of go kart parts and accessories, clutches, belts and repair parts.

  • Get Email Deals
  • Be the first to hear about new and exciting products, special pricing and incredible deals!

Home>Jackshafts & Components

Jackshaft Kit for Mini-Bike or Go-Kart

Part Number: 400950
review 1 Review(s)
Jackshaft Kit for Mini-Bike or Go-Kart

This is an all-u-need kit to install a jackshaft on minibikes that use a clutch instead of a torque converter. The addition of a jackshaft allows a variation of gear ratio, and will also allow you to locate the rear axle sprocket anywhere you want it, instead of being restricted by the engine clutch location. Can be used as a gear reduction, overdrive, or 1:1 ratio.

It also can be used on go-karts to allow you to mount the rear sprocket on the opposite side as the engine sprocket. 


  • (2) sprockets (choice of #35 or #41)
  • (2) 3/4" ID high speed bearings
  • (2) 3/16" keys
  • (2) bearing frame mounts
  • (1) 3/4" shaft
  • (2) steel lock collars.
  • Shaft sizes available up to 24" long.
  • Kit comes with 14" Shaft.
  • Lengths over 14" will cost extra.
Jackshaft Kit for Mini-Bike or Go-Kart
In Stock
Your Price:
Choose Options
Shaft Length
Custom length of custom shaft:

Sprocket (1)
Sprocket (2)

Write a Review Write a Review
Customer Reviews
Rating nice kit!!
kit works very well. maybe took an hour to assemble. durable and good quality.
Reviewed by: from gettysburg, PA. on 4/4/2014
Related Items
3/4" Keyed Shaft
3/4" Keyed Shaft
Average Rating 0 Review(s)
Your Price: $12.95
Jackshaft Bearing Hanger
Jackshaft Bearing Hanger
Average Rating 0 Review(s)
Your Price: $3.00
Motor Mount Plate
Motor Mount Plate
Average Rating 0 Review(s)
Your Price: $16.95
Recently Viewed Items