Seasonal maintenance schedule

In addition to the information on fit for purpose vessels, you should also follow the checklist below to help you ensure that your vessel is maintained appropriately all year round. 

Seasonal checklist for vessel maintenance

  Pre-season Mid-season Post-season
Fuel tank

Avoid using old fuel

Keep clean and dry

Maintain proper fuel/oil

Check for water in fuel

Store in dry place (vented)

Metal, swish with 2 stroke oil

Fuel line Check for cracking and loose fittings Watch for leaks Drain
Fuel filter Check and replace as
necessary
Check and clean Check and clean
Fuel system
(if you suspect an ethanol fuel
blend has been used)

Drain and clean out tank

Clean fuel lines

Change fuel filters

Have engine fuel system checked and serviced

Do not leave ethanol fuel standing in any tanks

Check fuel filters

Monitor engine operating temperature

Drain all ethanol blended fuel from tanks, fuel lines and carburetors
Batteries

Check electrolyte, top up with distilled or purified water

Recharge, check mountings, clean terminals

Check electrolyte, top up with distilled or purified water

Recharge, check mountings, clean terminals

Check electrolyte, top up with distilled or purified water
Engine Replace oil Check and replace oil as required Store upright
Pull cord Replace if fraying Check for fraying Check for fraying
Wiring Check for cracking, loose wires and corrosion Check wires for chafing Check for wear
Spark plugs Clean and gap or replace

Watch for fouling, moisture

Keep engine tuned

Clean and gap as necessary

N/A
Cylinders Check for compression N/A N/A
Steering gear and other moving parts Lubricate all moving parts Lubricate every 60 days Lubricate before storing
Power unit Drain and refill gear case oil Repeat every 100 hours of operation or once a season  
Cooling system Clean passages

Check ports for weeds

Flush after use in salt water

Flush with water

Drain all water by pull starting with plugs disconnected

Propeller Sand or file small nicks Check regularly Check condition
Repair if required
Reserve buoyancy Check condition and security, replace worn or degraded materials Check security regularly Keep clean and dry
Hull and outer surfaces Clean hull Replace sacrificial anodes as appropriate Keep clean
Keep clean, touch up with paint (but don't paint the anodes)