A boost in compression gives the Grom’s single-cylinder, 125 cc, four-stroke engine even better performance punch for 2022, while maintaining the impressive fuel efficiency that makes this small wonder so economical to operate.
| Engine Type: | Air-cooled single-cylinder four-stroke |
| Bore And Stroke: | 50mm x 63.1mm |
| Induction: | PGM-FI with automatic enrichment |
| Ignition: | Electronic |
| Compression Ratio: | 10:1 |
| Valve Train: | Chain-driven SOHC, two valves per cylinder |
| Displacement: | 125 cc |
| Final Drive: | #420 O-ring-sealed chain |
| Fuel Delivery: | PGM-FI electronic fuel injection |
| Transmission: | Five-speed |
| Front Suspension: | 31 mm inverted fork; 100 mm (3.9 in.) travel |
| Rear Suspension: | Single shock w/ steel box-section swingarm; 104 mm (4.1 in.) travel |
| Front Brake: | Single 220mm disc with hydraulic dual-piston caliper |
| Rear Brake: | Single 190mm disc with hydraulic single piston caliper |
| Front Tire: | 120/70-12 |
| Rear Tire: | 130/70-12 |
| Rake: | 25° |
| Trail: | 3.3 inches |
| Wheelbase: | 1,200 mm (47.2 in.) |
| Seat Height: | 761 mm (30 in.) |
| Curb Weight: | 101 kg (223 lb.) including required fluids and full tank of gas—ready to ride |
| Fuel Capacity: | 6.0 litres |
| Emissions: | Meets current EPA standards. Models sold in California meet current CARB standards and may differ slightly due to emissions equipment. |
