Specifications - Note:  These specs only apply to the '03 VTX 1300S Retro
Final Drive
    Service Limit
Recommended final drive oil Hypoid gear oil, SAE # 80
NOTE:  NC Brew recommends Amsoil 75W-90 Synthetic Gear Oil (AGR-QT)
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Final drive oil capacity After draining 4.1 Ounces -
After disassembly 5.1 Ounces -
Final drive gear backlash 0.05 - 0.15 (0.002 - 0.006) 0.30 (0.012)
Backlash difference between measurements

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0.10 (0.004)
Ring gear-to-stop pin clearance 0.30 - 0.60 (0.012 - 0.024) -
Final drive gear assembly preload 1.7 - 3.5 lbf˙in -