6 OEM VERIFIED MODELS
Underbone & Mini-Moto Maintenance & Fluid Hub
Wet-clutch JASO MA oil volumes, centrifugal/manual clutch notes & chain specs for Super Cub, Hunter Cub, Monkey, Dax & Grom
GENRE // UNDERBONE
6 OEM SPEC SHEETS
Honda · 2022–Present
JASO MA
Super Cub 110 (JA59)
109cc Air-Cooled Single-Cylinder SOHC Long-Stroke (Wet Centrifugal 4-Speed Rotary)
Oil 0.85L (0.90qt)
SAE 10W-30
29/33 PSI
738mm
Honda · 2023–Present
JASO MA
CT125 Hunter Cub / Trail 125 (JA65)
124cc Air-Cooled Single-Cylinder SOHC Long-Stroke (Wet Centrifugal 4-Speed)
Oil 0.85L (0.90qt)
SAE 10W-30
25/33 PSI
800mm
Honda · 2022–Present
JASO MA
Super Cub C125 (JA58 / JA71)
124cc Air-Cooled Single-Cylinder SOHC Heritage Cub (Smart Key + Wet Centrifugal 4-Speed)
Oil 0.85L (0.90qt)
SAE 10W-30
29/33 PSI
780mm
Honda · 2022–Present
JASO MA
Monkey 125 (JB03 / JB05 5-Speed)
124cc Air-Cooled Horizontal Single SOHC 2-Valve Long-Stroke (5-Speed Wet Multi-Plate)
Oil 0.9L (0.95qt)
SAE 10W-30
29/29 PSI
775mm
Honda · 2022–Present
JASO MA
ST125 Dax (JB04 / JB06)
124cc Air-Cooled Horizontal Single SOHC 2-Valve in Pressed T-Bone Frame (Wet Centrifugal 4-Speed)
Oil 0.85L (0.90qt)
SAE 10W-30
29/29 PSI
775mm
Honda · 2021–Present
JASO MA
MSX125 Grom (JC92 5-Speed)
124cc Air-Cooled Horizontal Single SOHC 2-Valve 5-Speed Mini Streetfighter (Wet Multi-Plate)
Oil 0.9L (0.95qt)
SAE 10W-30
29/29 PSI
761mm