Steve, It'll be easier for me to guide you by phone or Skype if you're overseas. I did the work using some advice from another owner who'd done the same change. Send me a private message if you want to pick my brains. It's not too difficult if you're ok with removing the engine and gearbox. Was it worth it? For me yes as I was competing and the 4 speeder is weaker than the LT77. 5th is handy for road use though not for competition.
