When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If your F4i is like my F4i then your on/off throttle can be a little touchy. That could be part of your problem, but, don't be too timid when launching the bike at first, as you become more comfortable with the bike, lower speeds will seem easier.