Go Kart Minibike Fun Kart Centrifugal Clutch 3/4" 10 Tooth #40 #41 420 Chain New For Sale
You are offerding 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 Unit Number 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
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