It is possible that you need to rejet when it is that cold. Hondas have a hard time starting in the cold. It's the nature of the beast, mine is the same way.
Air has mas and density. The colder it gets the more dense the air becomes. Because of this, it will effect your air/fuel ratio.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
Honda TRX ATV Forum
A forum community dedicated to Honda TRX ATV owners and enthusiasts. Come join the discussion about reviews, modifications, classifieds, troubleshooting, maintenance, and more! Open to all models across the 500, 400, 300, and 200 series.