Honda CB 500 Hornet – PC71 Specs: Engine Oil, Gap & Tire PSI

Quick Specs: Honda CB 500 Hornet (PC71)
Engine Type 471cc Parallel-Twin, Liquid-Cooled
Oil Specification SAE 10W-30 JASO T 903 MA (2.7 L)
Tire Dimensions F: 120/70 ZR 17 | R: 160/60 ZR 17
Spark Plug NGK CPR8EA-9
Battery YTZ8V (Maintenance Free)

The Honda CB 500 Hornet (PC71) represents a significant nomenclature shift in Honda’s mid-range lineup. While it succeeds the legendary CB500F, the PC71 is the first in the 500cc class to officially adopt the ‘Hornet’ branding, aligning it with the aggressive ‘Sting’ design philosophy of its larger siblings. Engineering-wise, it distinguishes itself by incorporating the Showa 41mm SFF-BP (Separate Function Fork – Big Piston), a high-spec suspension component typically reserved for middleweight and liter-class naked bikes.

Technical Performance & Engineering Highlights

At the heart of the PC71 is the proven 471cc parallel-twin engine, optimized for 2024 with updated ECU mapping to improve low-end torque delivery. Producing 35kW (47hp), it remains the benchmark for A2-compliant motorcycles. A critical technical addition for this generation is the Honda Selectable Torque Control (HSTC), which manages rear-wheel traction, a feature previously absent in the 500cc naked category.

Maintenance Guide & Fluid Specifications

For professional technicians and owners alike, adhering to the PC71’s specific fluid requirements is paramount for longevity. The engine utilizes a semi-dry sump design requiring 2.7 liters of 10W-30 oil meeting the JASO T 903 MA standard. Using friction-modified oils (MB) can lead to clutch slippage in this wet-clutch system.

Chassis and Consumables

  • Tires: The PC71 runs on a 120/70-17 front and 160/60-17 rear. Maintaining the factory-specified 2.5 bar (front) and 2.9 bar (rear) is essential for preserving the agility of the Hornet chassis.
  • Ignition: The NGK CPR8EA-9 spark plugs should be inspected for carbon fouling every 12,000 km.
  • Electrical: The YTZ8V battery is a compact, high-output unit; ensure terminals are treated with dielectric grease to prevent oxidation in the under-seat compartment.

MotoSpecsLab Verdict

The PC71 is more than a simple rebadge. By integrating HSTC and Showa SFF-BP hardware, Honda has elevated the 500cc platform from a ‘entry-level commuter’ to a genuine ‘mini-streetfighter’. It remains one of the most mechanically accessible motorcycles for DIY maintenance while offering sophisticated electronic rider aids.

Leave a Comment