1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 67Get this manual
ENGINE SERVICING (WANKEL KM914B) Side Plate Magneto-Side and Receiving Plate Lubricate all rubbing parts with an appropriate oilMount side plate magneto-side and secure with 14 socket cap head screws 100 with lock washersTightening torque 4.3 5.8 ftlb(0.6 0.8 kpm) Lay the rubber a-ring onto the side plate and the adapter sleeve (1, Arctic Part No0144) onto the mainshaftFill the hollow space between sealing lip and metal rim of the seal, in the receiving plate (2)with grease, ALVANIA Mount the magneto flywheel with fan and flywheel onto the mainshaft, guiding the key into the keyway in the flywheel
3Mount the receiving plate, so that the window is pointing towards the spark plug and secure with screws 20 with gasket ringsTightening torque 4.3 5.8 ftlb(0.6 0.8 kpm) Remove adapter sleeve (1)Fan Housing Insert two alignment dowels into the rotor casing and mount the fan housing (4), guiding the rubber grommet (2) into the recessSecure the fan housing with screws 125Tightening torque 13 16 ftlb(1.8 2.2 kpm) Connect the wires, if present, to the terminal block as follows: Lighting wires (yellow) to terminals and 2, short circuit wire (black) to terminal 3, earth lead (brown) to terminal 4Mount the retaining plate (1, Arctic Part No0144) to the fan housing, using screws 20 and secure the flywheel with washer 0.965 1.574 0.118 in(24.5 40 rnrn) and nut 24 1.5Tightening torque 54.4 58.0 ftlb17.5 8.0 kpm)