Wisconsin — Protecting Engine for Winter or Short Storage
Maintenance
From a Wisconsin service manual covering: FM-X4B7D, V-460D, V-461D, V-465D, V460D, V461D, V465, Y-128-S1, YB-85A. Check it applies to your exact model before use.
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Before you start
- Gasoline fumes from gradual evaporation is a dangerous fire hazard.
- Do not use any oil heavier than SAE No. 30.
Procedure
- Inject half-and-half kerosene/engine oil mixture into intake manifold pipe tap while engine warm and running at moderate speed.
- Shut off ignition switch and stop engine.
- Drain crankcase oil while engine is warm.
- Drain fuel lines, carburetor, fuel pump and tank of all gasoline.
- Clean air cleaner of oil and dust, and remove sediment from oil cup.
- Tape or seal air cleaner/carburetor intake, exhaust, and breather openings.
- Clean outside of engine including cooling fins on cylinders and heads.
- Coat all exposed unpainted metal parts with grease or heavy oil.
Specs & values
- About a quarter of a pint of fogging mixture
Source: Wisconsin service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.