The decrease in horsepower is due to the retuning of the bike for stronger a mid-range punch. You will notice that the Speed Four has the same torque as the TT600, but that torque comes at fewer rpmĀ“s.
You can post your question, answer or comment as a guest. Or
enter your e-mail to join the forum and get notifcations of new messages.
More 2003 Triumph Speed Four information
Our discussion forums are intended for short messages. We also welcome more extensive motorcycle reviews.
Bikez also recommends that you check out the technical
data and the riders' rating for the 03 Triumph Speed Four.
You can also rate it yourself. Use our efficient motorcycle
classifieds to sell or
buy
this bike. Your motorbike gets a high quality presentation. Ads are free.