A Practical Mechanic’s Guide to TKM Karting 11.2.6 Gudgeon Pin Extractor. When removing or replacing the Gudgeon pin it can become stuck so that when pushed harder it jumps through. Some publications suggest that you can use a mallet, but the author finds this a bit nerve racking. This tool will enable you to move the Gudgeon pin and dummy gudgeon pin, slowly but in perfect control.
Materials •
A 120mm length of 6mm treaded brass rode.
•
40mm long sturdy plastic tube. Diameter approx’ 20mm. should be sturdy enough to support the pull provided by the wingnut
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2 x 6mm Wing nuts, 1 plain 6mm nut, 2 x 6mm Nylock nuts & a large washer with a 6mm hole.
Construction •
Drill out the nylon inserts from the Nylock nuts, taking care not to damage the threads. Place them onto the bar so that the domed top of the nuts both face inwards.
Figure 11.2.6-1 Threaded Brass Rod •
The plastic tubing must be cut square at one end and shaped at the other end to sit well on the side of the piston. The washer should be fixed (glued) to the flat end. Plastic Tubing
Washer
Figure 11.2.6-2 Plastic Tubing
Chris Compton (compark) 2001
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