I'll try and get along to this. I have done the route before on a previous CC Ecosse ride a couple of years back and did the Linlithgow to Kincardine Bridge part of it just last weekend, so i'm reasonably confident of the route. Passing through Grangemouth on the NCN is a nightmare, much faster and safe (cycle lane provided) on the main rd past the town centre before rejoining the NCN. I remember finding the section near the FRB tricky in terms of NCN signs (i'm sure we ended up XC for a brief spell before Rosyth!).Hlab also recently posted a link to the route in a previous thread http://bit.ly/xyTeIf which should help.