Walker MS Operator's Manual

Also see for MS: Detailed instructions Owner's manual Illustrated parts manual Owner's manual

Specifications3MODEL MSENGINEManufacturer/Model Subaru Robin, EX40, 1 Cyl. (Air-Cooled)Displacement cu. in. (cc) 24.65 (404)Max. Power HP (kW) 14.0 (10.4) @ 3600 RPMGoverned RPM 3600Max. Torque lb·ft (N·m) 19.9 (27.0) @ 2400 RPMIdle RPM 1300Spark Plug Type NGK BPR5ESSpark Plug Gap in. (mm) .030 (0.75)Crankcase Capacity qt (L) 1.35 (1.3)Crankcase Lubricant API SC/SD/SE/SF/SG/SH Grade Oil Only with 10W-30/10W-40Viscosity or 40W Above 68° F (20° C) OnlyFuel Tank Capacity gal (L) 1.9 (7.2)Fuel Automotive Grade Unleaded Gasoline (87 Octane)Cooling System Air CooledAir Cleaner Remote mounted Donaldson Radialseal TM(Walker P/N 5090-1 Primary/5090-3 Safety Filter)ELECTRICAL SYSTEMBattery 12 Volt, 300 CCA (Interstate SP-35)Charging System Flywheel AlternatorCharging Output 13 Amp DC (Regulated)System Polarity Negative GroundIgnition Transistorized Electronic MagnetoStarter 12 Volt Electric Key and Solenoid OperatedInterlock Switches Ignition Lockout by Seat Switch, Transmission Neutral and BladeClutchCircuit Breaker Replaceable Fuse (20A)TRANSMISSIONManufacturer/Model Dual Hydrostatic, Eaton Model 7, Each Wheel Independently DrivenSteering Hand Lever Control / Individual WheelForward Speed Control Precision Friction Lock Lever, Cruise Control, with Neutral-ParkPositionService Brake Dynamic Braking through Hydrostatic TransmissionParking Brake Mechanical Pin Lock in Transmission GearNeutral Transmission Release by Manual Dump ValveFinal Drive Gear Drive Axle