Tachometer Test
Connect inductive-type engine tachometer to high tension cable. Start engine and compare tachometers at specified engine speed. See TACHOMETER SPECIFICATIONS table. Replace tachometer if difference is excessive.
TACHOMETER SPECIFICATIONS
| Engine RPM | Allowable Range | |
|---|---|---|
| 8000 R/Min. Display Tachometer | ||
| 1000 | 900-1100 | |
| 3000 | 2850-3150 | |
| 5000 | 4750-5250 | |
| 6000 | 5700-6300 | |
| 9000 R/Min. Display Tachometer | ||
| 700 | 630-770 | |
| 3000 | 2890-3220 | |
| 5000 | 4900-5300 | |
| 7000 | 6950-7350 | |