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KKK Long tail boat - Premium standard set

KKK Long tail boat - Easy model (DIY)

KKK PTO shaft connector 10 points 
(New product)

KKK Testing – Strength comparison 
of Keyway and Screws

KKK Maintenance – Self Maintenance


Long tail boat from Russia


KKK Testing
Long shaft vibration measurement

KKK Long shaft propeller
Long tail boat racing


 
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