Beta 390 RR-S
Maintenance specs for 1 variant of the Beta 390 RR-S — from 2015 to 2026.
2015–2026 Beta 390 RR-S
390cc Single-Cylinder DOHC Liquid-Cooled 4-Stroke (RR-S 390) · Chain
52 hp / 30 lb-ft
Transmission
Type5-Speed Manual (separate oil)
FluidSAE 10W-40
Drain & fill0.8 qt
Fuel
Tank2.3 gal
TypePremium 91
Tires
Front90/90-21
Rear130/80-18
Pressure (front)18 PSI
Pressure (rear)22 PSI
Service Intervals
Trans service450 mi
Coolant flush2,000 mi
Spark plugs900 mi
Timingchain (no scheduled replacement)
Air filter225 mi
Drive belt450 mi