| Compression spring | Front exhaust pipe assembly x Exhaust manifold | Standard length | 43 mm (1.69 in.) |
| Minimum free length | 41.5 mm (1.63 in.) | ||
| Front exhaust pipe assembly x Tail exhaust pipe assembly | Standard length | 40 mm (1.57 in.) | |
| Minimum free length | 38.5 mm (1.52 in.) |