Yamaha PW50
Maintenance specs for 1 variant of the Yamaha PW50 — from 1985 to 2026.
1985–2026 Yamaha PW50
49cc Air-Cooled 2-Stroke Single · Chain
1 hp / lb-ft
Engine Oil
WeightYamalube 2-S or equivalent 2-stroke oil (auto-injection, 30:1)
Capacity0.74 qt
Transmission
TypeAutomatic (single-speed)
Fuel
Tank0.5 gal
TypeRegular 87 (mixed with 2-stroke oil at 30:1 — oil injected automatically)
Tires
Front2.50-10
Rear2.50-10
Pressure (front)15 PSI
Pressure (rear)15 PSI
Service Intervals
Spark plugs600 mi
Air filter300 mi