Yamaha · Canada · Mod
Yamaha RC50: Engine
Affects Yamaha RC50 · 1975 — about 500 vehicles.
The hazard
THE OIL DELIVERY PIPE BETWEEN THE OIL TANK AND AUTOLUBE OIL INJECTION PUMP IS ONE INCH TOO LONG. THE PIPE CAN POSSIBLY BE KINKED DURING PRE-DELIVERY SET UP RESTRICTING OIL FLOW TO THE ENGINE, WHICH COULD RESULT IN PISTON SEIZURE. THIS COULD CAUSE THE REAR WHEEL TO LOCK UNTIL THE OPERATOR DISENGAGES THE CLUTCH.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational