Wayback_Service — Long-Term Storage Preparation
A Wayback_Service service procedure — check it applies to your exact model before use.
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Procedure
- Drain the fuel tank completely, or add STA-BIL to the fuel.
- Run the engine until the gasoline in the carburetor is completely consumed.
- Completely drain the oil from the crankcase and refill with fresh oil.
- Remove the spark plug, pour 2-3 cc of SAE 30 oil into the cylinder, and crank slowly to distribute the oil.
- Slowly rotate the engine a few times with the starter rope and install a new plug.
- Pull out the starter rope slowly and stop at the compression point.
- Clean all external parts of the engine and frame with a soft cloth.
- Cover the unit and store in a clean, dry place.
Specs & torque values
- Oil type: SAE 30
- Oil amount: 2-3 cc
Source: manual:BPX-rev-4-manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.