1986 Yamaha TRIALS Service and Repair Manual

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Fitment

  • Model year: 1986
  • Model code: TY350S
  • Yamaha part number: LIT-11626-05-24

This is the factory manual for a single machine and a single season, which removes any question about which specification applies. The code TY350S is what to look for on the frame; Trials on its own does not narrow it down, since Yamaha used the term across a range of capacities and years.

The book carries Yamaha's own service material: tightening torques, running clearances and wear limits, ordered disassembly and reassembly, wiring, and fault-finding arranged by symptom. Competition machines tend to have been rebuilt repeatedly, so working from the original figures rather than an accumulated set of habits is the surer route.

Wiring is included, drawn as built rather than as commonly modified.

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