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Details about  Go Kart Minibike Fun Kart Centrifugal Clutch 3/4" 10 Tooth #40 #41 420 Chain NEW

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Go Kart Minibike Fun Kart Centrifugal Clutch 3/4" 10 Tooth #40 #41 420 Chain NEW
Item Sold
Item condition:
Aug 10, 2013
US $23.75
$5.15 Expedited Shipping | See details
Item location:
Dacono, Colorado, United States


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  Aug 05, 2013 10:59:30 PDT  View all revisions

Item specifics



IMI Auction Surplus Liquidators

IMI Auction Surplus Liquidators

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You are bidding on a Brand NEW Centrifugal Clutch Go Kart Mini Bike Fun Kart Scooter # 40 #41 #420 Pitch Chain 3/4 inch Bore 10 Tooth Retails for $69.90.  High quality steel shoe clutch with built in 3/16" keyway attaches to your engine by bolt and washer from the end of your 3/4" crankshaft. NO SET SCREWS.  Fits most 4 cycle engines 3.5-7hp  NOT for use on 2 cycle engines over 8000rpm  BUYER MUST PAY SHIPPING.

It is important to have the correct gear ratio for the tire size for proper operation of your clutch or torque converter. A improper gear ratio will make the clutch or belt slip and cause damage to the unit very quickly.

To determine the gear ratio necessary for your go kart or mini bike you must know the limit of your top speed.  When using a clutch to drive your go kart the top speed on flat terrain is 35mph, if the terrain is hilly or the weight of the driver is high the top speed should be 25mph.  Mini bikes work best with a top speed of 25mph for all terrain.

When using a torque converter with a go kart you may go as high as 45mph on flat terrain and 35mph on hilly terrain.  For mini bikes 35mph is the top speed when using a torque converter.

Use our calculator below to determine the top speed and gear ratio for your tire size.  Input the tire diameter, highest engine rpm,  number of teeth on your clutch or torque converter jack shaft and the number of teeth on the axle sprocket.  If you go higher than the recommended mph then the possibility of excessive slipping of the clutch or belt may cause early failure.  Changing the tire size will dramatically change the top speed so if you are going to a larger tire size you must correct the gear ratio for proper operation.

Top Speed Calculator (MPH)

Enter values below right to determine Top Speed
Drive Tire Diameter In Inches
Highest Engine RPM
Number of Teeth On Axle
Number of Teeth On Clutch or Toque Converter Jackshaft
Calculated Results
Drive Tire Circumference In Inches
Gear Ratio
Maximum Speed In MPH

Payment & Shipping

·         Payment Options: Credit Cards (Please Call 303-833-4949 to Process), PayPal

·         Shipping Options: UPS Ground, USPS Parcel (unless stated in description)

·         I will ship to: USA and Internationally

·         [Sales Tax]: 5.9% for in-state buyers

·         If you don’t have a phone number attached to your eBay account please message us with it if you are the winning bidder to help expedite the shipment.

Customer Service Policy:

We stand behind our products and representations. Refunds will be given if items received are not as represented and they are returned in the same condition as shipped. A return authorization number is required from us and the unit must be returned within 7 days of receipt.

If you are returning the item because you changed your mind or decided you no longer want the item you will receive a full refund minus shipping.

We reserve the right to cancel or end any listing/transaction at any time for any reason. If you already paid for your item and we cancel the transaction you will be given a full refund.

Buyer prepays all return shipping charges. We welcome your questions and will respond quickly. Feel free to contact us about alternative shipping and payment options.

Contact US:

·         Phone: 303-833-4949 (7 Days a week 10am - 6pm Mountain Time)

Item #Inv-476

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