| Specifications - Note: These specs only apply to the '03 VTX 1300S Retro | |||||
| Lubrication System | |||||
| Engine oil capacity | After draining | 3.7 quarts | |||
| After draining | 3.9 quarts | ||||
| After disassembly | 4.5 quarts | ||||
| Recommended engine oil |
Pro Honda GN4 or HP4 (without
molybdenum additives) - 4-stroke oil or equivalent motor oil
API service classification: SG or Higher JASO T 903 standard: MA Viscosity: SAE 10W-40
NOTE: NC Brew recommends
Amsoil SAE 10W-40 Synthetic High Performance Motorcycle Engine Oil
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| Oil pressure (at oil pressure switch) | 77 PSI at 5,000 RPM @ 176° Fahrenheit | ||||
| Service Limit | |||||
| Oil pump | Tip clearance | 0.15 (0.006) | 0.20 (0.008) | ||
| Body clearance | 0.15-0.21 (0.006-0.008) | 0.35 (0.014) | |||
| Side clearance | 0.02-0.07 (0.001-0.003) | 0.10 (0.004) | |||