Home Forums Tech Talk KPV/HPV Gearing for Apex Reply To: KPV/HPV Gearing for Apex


Walt Gifford

Never been to that track but if it’s about a 1/2 mile I’d try the 85 first then put on an 83. If it’s 1/4 mile I’d try an 87. If you feel it stop pullin’ 3/4 down the longest straight it’s about right.


FAA certified jet engine and aircraft technician,
Nicholson Speedway class champion 2001,
Yamaha KT100 Service Center,
41 years karting experience