WINTER SERVICES: BASIC WINTERIZATION: $169.00 - Treat fuel with stabilizing additive which also contains an additive for ethanol content in fuel. Drain engine block and attach all hardware to the steering wheel. Disconnect battery. This requires de-winterization in the Spring. FULL WINTERIZATION: Treat fuel with stabilizing additive which also contains additive for ethanol content in fuel. Drain engine block. Reinstall all plugs and hardware back onto the engine. Flush engine with antifreeze. Disconnect battery. No need to bring back for de-winterization! Optional equipment such as heaters, fresh water systems and generators are subject to additional labor. SHRINK WRAP: 19' to 22' $350, 23' to 25' $425, call for quote on anything larger.