There is one model year behind this manual and one machine: the 1978 Enticer 340, code ET340B, documented in Yamaha part number LIT-12618-00-11.
A single-year book has an obvious advantage. Nothing in the specification tables belongs to a later revision, so a torque figure or a clearance can be read without first checking which season it applies to.
The manual is laid out the way the factory expected a technician to use it. General specifications and tightening torques come first, followed by periodic inspection and adjustment, engine removal and overhaul, carburation, power train and drive service, chassis, steering and suspension work, and the electrical system with wiring diagrams and troubleshooting sequences. Before ordering, check that the code on your chassis plate reads ET340B and note the part number LIT-12618-00-11.
