The Robin NB2100 user manual clearly states: “Any alteration, removal of governor springs, or modification of engine speed beyond factory settings voids the warranty.” The governor keeps max RPM under 3,800. Turning the main jet screw beyond 2.5 turns out is considered tampering.
| Criteria | Rating | Notes | |----------|--------|-------| | Clarity | 8/10 | Translations are accurate, though the English version has minor typos. | | Illustrations | 9/10 | Clear callouts of ports, LEDs, and LCD menu trees. | | Troubleshooting | 7/10 | Covers common errors but lacks advanced diagnostic steps. | | Index | 6/10 | Too brief; finding “battery calibration” requires searching. | | Safety warnings | 9/10 | Good coverage of electrical and data integrity risks. | robin nb2100 user manual