www.zxrworld.co.uk

hello to all.am new to this site,bin racing zxr 400 all season and its bin ded reliable and fast.av got an entry in this years manx and need to now what gearing to use.my engine is tuned by mr seaton and runs on flatsides

calm day with SP gear box and decent HP 16/43
windy day with stock L or G gear box and stock power 15/45 or 46

thanks cargo,that helps me loads.ive got a close box but not shaw wich type 76 bhp and ive also got a 17 t engine sprocket,is that a help.once again thanks for your time

I am am ambassador for the Manx GP and have been racing at the Manx since 1997
Please feel free to contact me with any questions you may have . Right now Im not at my computer but later I will have questions for you. As a newcomer you will need all the help you can get