Aprilia RS 660 vs Honda CBR650R — 183kg Exotic Twin vs Inline-Four Everyday Sportbike
ENGINEERING & RIDING VERDICT
Aprilia RS 660 dominates canyon and track carving at 183 kg wet with full 6-axis IMU electronics and 100 hp punch, while Honda CBR650R counters with silky inline-four acoustics, optional E-Clutch convenience, and bulletproof daily durability.
Side-by-Side OEM Specification & Fluid Matrix
| Specification | Aprilia RS 660 / Extrema | Honda CBR650R / E-Clutch (RH01 / RH17) |
|---|---|---|
| Engine · Power · Torque | 659 cc · 100 hp · 67 N·m | 649 cc · 95.2 hp · 63 N·m |
| Seat Height & Wet Weight | 820 mm (32.3 in) · 183 kg (403 lbs) | 810 mm (31.9 in) · 209 kg (461 lbs) |
| Fuel Tank & Est. Range | 15 L → ~306 km (190 mi) | 15.4 L → ~314 km (195 mi) |
| Oil Capacity (With Filter) & Spec | 2.3 L (2.43 US qt) · SAE 10W-50 JASO MA2 | 2.6 L (2.75 US qt) · SAE 10W-30 JASO MA |
| OEM Oil Filter | 1A023538 / HF138 | 15410-MFJ-D01 / HF204 |
| Tires & Cold Pressure (Solo) | 120/70 ZR17 M/C (58W) / 180/55 ZR17 M/C (73W) 36 / 41 PSI (250/280 kPa) |
120/70ZR17 M/C (58W) / 180/55ZR17 M/C (73W) 36 / 42 PSI (250/290 kPa) |
| Spark Plug & Battery | NGK MR9DI-7 (×2) · YTZ10S / LiFePO4 (Extrema) | NGK IMR9E-9HES (×4) · YTZ10S / FTZ10S |
| Valve Check Interval | 20,000 km | 24,000 km |
DIY Wrenching & Maintenance Cost Differences
RS 660 requires synthetic 10W-50 (2.3 L), an M20×1.0 fine-thread filter (1A023538), and a warm-ride unscrewed dipstick check; CBR650R uses 2.6 L of 10W-30, a standard M20×1.5 filter (HF204), and a simple crankcase sight glass.
02 // ERGONOMIC & SPEC MATRIX
Interactive 1:1 Spec & Seat-Arch Footing Simulator
Calculates real-feel leg reach by factoring in thigh-splay seat arch width and dual-sport suspension sag—not just raw static seat height.
| Metric (Rider Height: 173 cm) | Aprilia RS 660 / Extrema | Honda CBR650R / E-Clutch (RH01 / RH17) |
|---|---|---|
| Static Seat / Effective Arch Reach | 820 mm → ~816 mm Tip-Toe / One-Foot Stop Technique Advised |
810 mm → ~816 mm Tip-Toe / One-Foot Stop Technique Advised |
| Displacement · Power · Torque | 659 cc · 100 hp · 67 N·m | 649 cc · 95.2 hp · 63 N·m |
| Wet Curb Weight | 183 kg (403 lbs) | 209 kg (461 lbs) |
| Fuel Tank & Est. Touring Range | 15 L → ~306 km (190 mi) | 15.4 L → ~314 km (195 mi) |
| Oil Capacity (With Filter) & Grade | 2.3 L (2.43 qt) · SAE 10W-50 JASO MA2 | 2.6 L (2.75 qt) · SAE 10W-30 JASO MA |
| Cold Tire Pressure (Front / Rear) | 36 / 41 PSI (250/280 kPa) | 36 / 42 PSI (250/290 kPa) |
| OEM Spark Plug & Battery | NGK MR9DI-7 (×2) · YTZ10S / LiFePO4 (Extrema) | NGK IMR9E-9HES (×4) · YTZ10S / FTZ10S |