Gt128 Manual Book - Modenas

| Period | Maximum RPM | Action | | :--- | :--- | :--- | | 0 – 500 km | < 4,000 RPM | Avoid constant speed. Vary the throttle every 10 mins. | | 500 – 1,000 km | < 6,000 RPM | Short bursts of acceleration allowed, but no full throttle. | | After 1,000 km | Full range | Replace engine oil & oil filter immediately. |

Routine care is critical for the longevity of the Modenas GT128. Owners should follow these general guidelines: Oil Changes : Use high-performance motor oil (such as 10W-40). System Checks Modenas Gt128 Manual Book