1: Little weight spoils head honcho in sophisticated secondary institute (7,6)
2: Got used to western city after it eliminated a lot of noise (7,2)
3: To implicate is innate, swallowing a hundred backing Space Station One (11)
4: Live within the lustre of a spirited place (7)
5: Turning back, Sid went in to astonish naturalists (7)
6: Sixpence for big cheese? (1.1.1.)
7: Back in November, tilers had some measure of quantity (5)
10: Irregular bouts of activity suit beach scrubbers (4,3,6)
13: Seduce husband-to-be in parlor (7, 4)
16: Balls thrown at gophers (9)
18: Watch Obadiah attend to customers (7)
19: An idiot goes back into a pub serving small potatoes (7)
22: Scheme I enter into direct (5)
25: First get a French weapon. (3)