Crankcase 064, MS640 RM 756.0 YC Boost Safety and Efficiency: The

Boost Safety and Efficiency: The chute guides material directly into the blades

Kevlar®-reinforced stretch crotch for strength and flexibility

cutting or ground work

For safely carrying AP System batteries

built for precise cutting and agile handling in the canopy

Crankcase 064, MS640 RM 756.0 YC Boost Safety and Efficiency: TheSTIHL Crankcase for 064 & MS 640 Chainsaws 1122 020 2101 The STIHL Crankcase for 064 and MS 640 chainsaws is a genuine replacement engine housing designed to support, protect and align the internal engine components of compatible STIHL professional chainsaws. Manufactured to STIHL original equipment standards, this crankcase helps maintain the correct structure around key engine assemblies, supporting reliable operation, durability and long term