Which Viscosity For Year-Round ATV Riding?
Update- September 2025– AMSOIL’s application guide suggestion for this Honda ATV model has evolved over the years. The suggested engine oils are now either AMSOIL ATV/UTV 10W-30 or ATV/UTV 10W-40. Either are great year-round options. However, a third option of AMSOIL Formula 4-Stroke 0W-40 Synthetic Oil still stands in our opinion. Formula 4-Stroke 0W-40 is…



