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The MS 661 MAGNUM® chainsaw delivers the professional power and rugged dependability you need to take on tough felling jobs.


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.