Specs
| MS 661 MAGNUM® Specifications – Professional Use | |
| DISPLACEMENT | 91.1 cc (5.56 cu. in.) |
| ENGINE POWER | 5.4 kW (7.2 bhp) |
| FUEL CAPACITY | 850 cc (28.7 oz.) |
| WEIGHT | 7.5 kg (16.5 lbs.) |
| OIL CAPACITY | 400 cc (13.5 oz.) |
| STIHL recommends #3624 (33 RS3 84) OILOMATIC® saw chain and 25″ 3003 000 4030 Ematic™ guide bar combination. The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on. | |
