Technical -- I'm working my way through re-writing and cleaning up these articles, as may are nearly 20 years old.

• Temperature required to install/remove bearings
• Fine tuning your expanding mandrel
• Serial numbers of the Yamaha KT-100 cases
• Walbro carb; general overview
• Measuring Fulcrum Arm height in your carb
• Lapping rings for accuracy
• Clutch theory : why more spring and weight?
• Blowdown, what is it?
• Squish bands in a 2-cycle kart engine
• Checking your burette for accuracy
• Slippy exhaust pipes: why so difficult to pull?
• Axle deflection per FEA analysis
• Loss Coefficient Modulus - technical paper worth reading if axles interest you