Fast trouble shooting
Often, a depleted, loose, or dirty spark plug is responsible for a mower not being able
to start, but there can be a number of other reasons. Refer below to the list of potential
problems you may encounter, along with suggested remedies. For servicing and all
warranty work, contact your local Authorised Sanli Dealer.
Problem
Likely cause
Suggested remedy
Engine does
not start.
Throttle lever not set properly
Out, or almost out, of fuel
Spark plug depleted
Spark plug dirty
Spark plug not connected
Flooded engine
Old petrol in the tank
Water in the fuel tank
Set to ‘Cold Start’ for cold or a little lower when warm
Fill tank with 95 octane regular unleaded petrol
Replace with a suitable new spark plug
Clean or replace with a new spark plug
Press firmly on the spark plug cover
Turn fuel ‘off’ then zip until it starts, then turn ‘on’
Drain stale fuel and replace with new unleaded
Contact an authorised Sanli dealer
Engine stops
often
Blocked fuel supply
Fuel cap is not venting
Wrong type of fuel
Ensure the fuel line is not pinched or blocked
You may need to slightly loosen the fuel cap
Drain petrol tank and fill with new unleaded
Engine loses
power
Dirty air cleaner filter
Blocked fuel cap vent holes
Clean or replace with a new Sanli air-filter
Ensure the 3 holes in the fuel tank cap are clear
Mower
vibrates
too much
Loose cutting blade
Bent or broken blade
Excessive grass/dirt build-up
Check and tighten bolt
Replace blade
Clean and ensure underside clear of build up
