| Engine | Honda Grom | Kawasaki Z125 PRO |
|---|---|---|
| Displacement | 125 cc | 125 cc |
| Max power | 9 hp (@6 750 RPM) | 9 hp (@8 000 RPM) |
| Max torque | 7 lb ft (@5 350 RPM) | 6 lb ft (@6 000 RPM) |
| Redline | 9 300 RPM | 9 800 RPM |
| Idling speed | 1 400 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | SOHC Single | SOHC Single |
| Compression | 9.30:1 | 9.80:1 |
| Oil type | 10W30 | |
| Spark plug type | NGK CPR6EA-9 | |
| Cooling | Air | Air |
| Valves | 2 | 2 |
| Bore | 52.0 mm | 56.0 mm |
| Stroke | 58.0 mm | 50.6 mm |
| Throttle bore | 24.0 mm | 24.0 mm |
| Weight to power | 24.99 lbs/hp | 24.74 lbs/hp |
| Power to weight | 100 hp/2500lbs | 101 hp/2500lbs |
| Battery type | 12V 3.5Ah, YTZ5S |
| Gearbox | Honda Grom | Kawasaki Z125 PRO |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | 420 106 links | |
| Gears count | 4 | 4 |
| Primary ratio | 3.35 | 3.409 |
| Final drive | 2.267 | 2.143 |
| 1. gear | 2.5 (28 mph) | 3.0 (25 mph) |
| 2. gear | 1.55 (45 mph) | 1.938 (39 mph) |
| 3. gear | 1.15 (61 mph) | 1.35 (55 mph) |
| 4. gear | 0.923 (76 mph) | 1.087 (68 mph) |
| Chasis | Honda Grom | Kawasaki Z125 PRO |
|---|---|---|
| Frame type | Back bone type | Backbone, high tensile steel |
| Front susp. | 31mm USD, 3.94 in travel | USD, 3.94 in travel |
| Rear susp. | Monoshock, 4.09 in travel | Monoshock, 4.09 in travel |