IDENTICAL TWINS - Jonathan Jones on a pair of stunning AJS vee-twins NEWS - It's bike jumbles at Beaulieu in July and September GREEVES SPORTS SINGLE - If you love your 250 trials model, why not buy a roadster? DOUGLAS DRAGONFLY - Ken Sprayson recalls framing Bristol's last model NEW IMP RACERS - New Imperial was Britain's lightweight racing champion BLOWBACK - Readers write about learners and sleeve valves GETTING THE NEEDLE - Carburettors were transformed by the needle jet WET BLAST - Cleaning parts with glass beads and water BSA GOLDEN FLASH - Celebrating a well-loved standard 650 PERPETUAL MOTION - Dennis tests a clutch and Peter ignores his own advice YOU WERE ASKING - Free moped? Here's a choice of two VIVA MONTESA! - Brian Woolley on some fast two-strokes from Spain AUTOJUMBLE HUNTER - Buying secondhand clothing with Frank Farrington HOME BY TIGER 100 - A 9000-mile jaunt from the Indian Ocean to the Channel WHAT HAPPENS IF....Things won't come apart? Dennis Frost has the answers FROM OUR ARCHIVES - Centre of attention: Velocette's sectioned Thruxton