South Island tour after the Christchurch 2013 National rally
Find Your Bike’s Horse Power without a Dyno
Did you know that thanks to Denby Marshall there is no need for expensive dyno’s to work out the horse power of your bike? Using this formula my 650 Bonnie makes 28.9 HP which explains why I have trouble chasing Hinkleys up the Kaimai Ranges. I’ve had the Bonnie for many years and it’s on …