{"product_id":"1971-yamaha-dt1a-service-repair-manual","title":"1971 Yamaha DT1A Service and Repair Manual","description":"\u003cp\u003eYamaha wrote one manual for the whole 1971 DT1 series and gave it the part number LIT-11612-14-99. The DT1A is covered in it, and so are the DT1B, DT1C, DT1E and DT1S, because the factory treated those variants as one service family.\u003c\/p\u003e\u003cp\u003eThat matters when you confirm fitment. Match your frame code to DT1A, then note that any procedure in the book which applies to a sister code has been checked against a machine very close to yours.\u003c\/p\u003e\u003cp\u003eThe technical content is what a dealer mechanic of the period worked from. Engine teardown in sequence, inspection limits for the parts that wear, torque specifications, carburettor and ignition settings, and a wiring diagram with the tests that go with it. Symptom-based troubleshooting closes it out.\u003c\/p\u003e\u003cp\u003eFor a bike this old the factory numbers are often the only reliable reference left, since aftermarket figures have been copied and altered for fifty years.\u003c\/p\u003e","brand":"FactoryManual","offers":[{"title":"Default Title","offer_id":49083115503838,"sku":"YAMAHADT1A1971SRM","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/4113\/8910\/files\/1971-yamaha-dt1a-service-repair-manual_fc997654-ea0d-491b-9310-965b95bbdf5e.png?v=1789925493","url":"https:\/\/factorymanual.com\/products\/1971-yamaha-dt1a-service-repair-manual","provider":"FactoryManual","version":"1.0","type":"link"}