| Parameter | Specification |
|---|---|
| Production Years | 2017 – 2020 |
| Engine Oil | SAE 10W-40 (0.65 L Drain / 0.80 L Overhaul) |
| Tires (Front/Rear) | 80/90-14 M/C 40P / 90/90-14 M/C 46P |
| Spark Plug | NGK CPR7EA-9 (0.8 – 0.9 mm Gap) |
| Battery | YTX5L-BS (12V, 4Ah) |
Engineering Heritage: The SEP Philosophy
The Suzuki Address 110 (DE12) represents a significant engineering milestone for Suzuki’s urban mobility division. While many scooters in this class prioritize cost-cutting, the DE12 was the platform that refined Suzuki Eco Performance (SEP) technology for the Euro 4 era. A unique engineering highlight is its ultra-low-friction engine design, which utilizes a roller rocker arm and a specialized piston skirt texture to achieve a remarkable balance between fuel economy and throttle response, making it one of the most efficient 110cc air-cooled units ever produced.
Technical Deep Dive: Engine & Lubrication
The heart of the DE12 is its fuel-injected, SOHC single-cylinder engine. To maintain peak performance and protect the SEP components, Suzuki mandates the use of SAE 10W-40 oil meeting API standards SF through SM. For standard maintenance, the system requires 0.65 Liters. It is critical for technicians to note that the DE12 does not utilize a traditional spin-on filter, but relies on an internal strainer and magnetic drain plug that must be cleaned at every interval.
Chassis, Tires, and Handling
The Address 110 stands out due to its 14-inch wheels, which provide superior stability compared to the 10 or 12-inch wheels commonly found on urban competitors. Maintenance of tire pressure is vital for the integrated braking system’s efficacy:
- Front: 2.0 bar (29 psi)
- Rear (Solo): 2.25 bar (33 psi)
- Rear (Dual): 2.8 bar (41 psi)
Electrical System and Ignition
The DE12 utilizes a reliable YTX5L-BS (12V, 4Ah) AGM battery. Given the scooter’s lean-burn fuel injection system, ensuring a strong spark is paramount. The NGK CPR7EA-9 spark plug should be gapped precisely between 0.8 and 0.9 mm. Fouled plugs in this model often manifest as hesitation during cold starts, a common symptom if the bike is used exclusively for short, low-temperature urban hops.
MotoSpecsLab Editorial Verdict
The Suzuki Address 110 (DE12) is a masterclass in functional minimalism. While it lacks the digital frills of modern maxi-scooters, its mechanical robustness and ease of service make it a favorite in our lab. For the 2017-2020 Euro 4 iteration, Suzuki successfully navigated stricter emissions without compromising the “flickability” that defines the Address lineage. It remains a gold standard for low-TCO (Total Cost of Ownership) commuting.
Maintenance FAQ
Q: How often should the spark plug be checked?
A: We recommend inspection every 4,000 km and replacement every 8,000 km to ensure optimal combustion efficiency.
Q: Can I use synthetic oil?
A: Yes, provided it meets the SAE 10W-40 viscosity and API SF/SG/SH/SJ/SL/SM specifications. Synthetic blends often provide better protection for the high-revving nature of the 110cc engine.