YAMAHA Y292 S292 Y338 S338 Y433 S433 B 1973 Supplementary Engine Manual #S112

YAMAHA  Y292B /  S292B / Y338B / S338B / Y433B / S433B  1973   Factory Supplementary Engine Manual,  4 pages  NOS  New Old Stock.  #S112/A

Printed in May 1972

This manual provides information on the Ignition Timing and Ignition Timing Adjustment.

This manual is in excellent condition.