| Model | ER Junior | ER1 | ER1SS | 
|---|---|---|---|
| Engine | Air-cooled | Air-cooled | Air-cooled | 
| Type | 2-stroke | 2-stroke | 2-stroke | 
| Capacity | 49.6cc | 49.6cc | 49.6cc | 
| Bore | 40mm | 40mm | 40mm | 
| Stroke | 39mm | 39mm | 39mm | 
| Fuel | Premix 20:1 | Premix 20:1 | Premix 20:1 | 
| Transmission | Auto Single-speed | Auto Single-speed | Auto Single-speed | 
| Generator | 6V 23W | 6V 23W | 6V 23W | 
| Tyres | 2.25 × 17 | 2.25 × 17 | |
| Length | 66.5" | 66.5" | |
| Width | 28.2" | 28.2" | |
| Height | 43.0" | 43.0" | |
| Saddle height | 30.0" to 34.0" | 30.0" to 34.0" | |
| Weight | 102lbs | 102lbs | |
| Colours | Red & Silver Blue & Silver | Yellow Orange Dark Blue | Silver with red & blue lining | 
| Trim | White | Stainless | |
| Notes | Off-road competition for 6 to 12 year olds Kick start | "Silver Special" Jubilee model | 
| Model | ER2P | ER2 | ER2SS | ER2L | 
|---|---|---|---|---|
| Engine | Air-cooled | Air-cooled | Air-cooled | Air-cooled | 
| Type | 2-stroke | 2-stroke | 2-stroke | 2-stroke | 
| Capacity | 49.6cc | 49.6cc | 49.6cc | 49.6cc | 
| Bore | 40mm | 40mm | 40mm | 40mm | 
| Stroke | 39mm | 39mm | 39mm | 39mm | 
| Fuel | Premix 20:1 | Premix 20:1 | Premix 20:1 | Premix 20:1 | 
| Transmission | Auto 2-speed | Auto 2-speed | Auto 2-speed | Auto 2-speed | 
| Generator | 6V 23W | 6V 23W | 6V 23W | 6V 23W | 
| Tyres | 2.25 × 17 | 2.25 × 17 | 2.25 × 17 | 2.25 × 17 | 
| Length | 66.5" | 66.5" | 66.5" | 69.0" | 
| Width | 28.2" | 28.2" | 28.2" | 26.0" | 
| Height | 43.0" | 43.0" | 43.0" | 39.5" | 
| Saddle height | 30.0" to 34.0" | 30.0" to 34.0" | 30.0" to 34.0" | 30.5" | 
| Weight | 105lbs | 105lbs | 105lbs | 113lbs | 
| Colours | Red | Black Candy Apple Red | Silver with red & blue lining | Pacific Blue Candy Apple Red | 
| Trim | White | Stainless | Stainless | Stainless | 
| Notes | "Silver Special" Jubilee model | Motor cycle styling | 
| Model | ER4L | ER4TL | 
|---|---|---|
| Engine | Air-cooled | Air-cooled | 
| Type | 2-stroke | 2-stroke | 
| Capacity | 49.6cc | 49.6cc | 
| Bore | 40mm | 40mm | 
| Stroke | 39mm | 39mm | 
| Fuel | Premix 20:1 | Premix 20:1 | 
| Transmission | Manual 4-speed | Manual 4-speed | 
| Generator | 6V 23W | 6V 23W | 
| Tyres | 2.25 × 17 HSR | 2.25 × 17 HSR | 
| Length | 69.0" | 69.0" | 
| Width | 26.0" | 23.5" | 
| Height | 39.5" | 42.0" | 
| Saddle height | 30.5" | 30.5" | 
| Weight | 115lbs | 117lbs | 
| Colours | Pacific Blue Candy Apple Red | Pacific Blue Candy Apple Red | 
| Trim | Stainless | Stainless | 
| Notes | Motor cycle styling Sports | Motor cycle styling Fly screen Super Sports | 
Added to the archive 30 April 1999