Honda CMX 500 REBEL (EURO 4) – PC56A/17 Service Data: Oil, Battery & Specs

Component Specification
Model Code PC56A/17 (Euro 4)
Production Years 2017–2019
Engine Oil SAE 10W-30 JASO MA (2.7 L)
Spark Plug NGK CPR8EA-9
Battery YTZ10S
Front Tire 130/90-16 M/C 67H (2.0 bar)
Rear Tire 150/80-16 M/C 71H (2.0 bar)

Engineering Highlight: While most cruisers rely on traditional V-twin configurations, the Honda CMX 500 Rebel (PC56) broke engineering conventions by utilizing a modified version of the CBR500R’s 471cc liquid-cooled parallel-twin. This specific iteration features a revised PGM-FI fuel injection mapping to shift torque delivery lower in the RPM range, prioritizing roll-on acceleration over peak top-end power, making it a masterpiece of modern modular engineering.

Technical Analysis

The PC56A/17 chassis represents Honda’s ‘Simple & Raw’ design philosophy. The diamond-shaped steel pipe frame was engineered to be narrow at the rider’s inseam, providing a low 690mm seat height without sacrificing cornering clearance. For the Euro 4 compliant model, Honda optimized the exhaust system with a 120mm diameter ‘shotgun’ style muffler to meet strict emissions while maintaining a distinctive pulse.

Maintenance Guide

Lubrication System

To maintain the longevity of the 471cc powerplant, MotoSpecsLab recommends SAE 10W-30 JASO MA oil. The total capacity for an oil and filter change is 2.7 Liters. Using non-JASO MA rated oil can lead to premature wear of the wet multi-plate clutch system.

Chassis and Contact Patch

The Rebel 500 utilizes a unique fat-tire setup on 16-inch wheels. Proper inflation is critical for handling stability: both the front (130/90-16) and rear (150/80-16) should be maintained at 2.0 bar (29 psi). Deviating from these pressures can significantly impact the bike’s self-steering characteristics during low-speed maneuvers.

Electrical & Ignition

The ignition system relies on NGK CPR8EA-9 spark plugs. For starting reliability, the PC56A uses a YTZ10S battery. Given the Rebel’s popularity as an urban commuter, we recommend periodic charging if the bike is used for frequent short trips where the alternator cannot fully replenish the battery.

Editorial Review

At MotoSpecsLab, we rate the 2017-2019 Rebel 500 as one of the most mechanically accessible motorcycles on the market. Its Euro 4 configuration strikes a perfect balance between environmental compliance and mechanical character. It is an ideal platform for both novice riders and experienced enthusiasts looking for a reliable, ‘blank canvas’ motorcycle.

Frequently Asked Questions

Q: How often should I check the valve clearances?
A: Honda recommends inspection every 24,000 km (16,000 miles).

Q: Can I use 10W-40 oil?
A: While 10W-30 is the factory standard, 10W-40 JASO MA is acceptable in warmer climates, though it may slightly impact fuel efficiency.

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