With a spread of 106° and a stroke of 7. 2 mm, the 320° shaft is the basic solution for all two valves with a standard turning speed limit of up to 7,000 rpm. The cam produces a full power curve with strong torque from the speed cellar. The performance development between the lower and upper ranges is very balanced.
Ideal for all Scramblers, Roadsters and Bobbers who need power from idle speed. Ideally suited as a soft torque tuning measure or in case of repair.
- More torque
- More top achievement
- Full power from idling speed
- Well-balanced achievement curve
- Stable empty run behaviour
- Lower fuel consumption
| BMW R80 R100 | Öffnung | Spreizung | Aö | As | Eö | Es | Hub | Hub im OT |
| Ro 240.6 | 320 | 106 | 86 | 54 | 54 | 86 N | 7,18 M | 2,7 |
| Ro 270.6 | 324 | 106 | 88 | 56 | 56 | 88 N | 7,70 M | 3,1 |
| Ro 227.4 | 340 | 104 | 94 | 66 | 66 | 94 N | 8,87 M | 4,1 |
| Ro 214.5 | 344 | 105 | 97 | 67 | 67 | 97 N | 7,86 M | 3,6 |
| Ro 1145.10 | 336 | 110 | 104 | 52 | 64 | 92 N | 8,60 M | 3,6 |
On models up to 09/78 (contact ignition), the inner rotor of the oil pump must be replaced. (https://www.sport-evolution.de/en/Oil-pump-inner-rotor-for-BMW-2-valve-Boxer-models.html)
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