Here are TWO original Bosch DU4 magneto manuals. They are 5 1/2" by 6 1/2" and 15 pages. They have explanations, timing, trouble shooting, parts pictures, etc. The covers are loose but they are in very good condition. Price is 60.00 EACH including shipping via FedEx Ground in the USA. Call me at 734-730-4274 or email directly at motoringicons@hotmail.com Thanks.