Troubleshooting - Briggs & Stratton TIGER Operation & Assembly Instructions

4-stroke mower
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Troubleshooting

Problem
Does not start
Loss of power
Poor cutting or
catching
Excessive vibrations
Engine stops
frequently
If running difficulties continue, please contact your closest Authorised Service
Centre on: 1800 356 632 or refer to the Lawnmower section of your local yellow
pages.
12
Possible cause
Fuel tap 'OFF'
Out of fuel
Throttle lever in incorrect position
Spark plug lead not connected
Engine flooded
Dirty spark plug
Stale fuel in tank from last season
Water in fuel tank
Service required
Engine worn
Low or no oil (4 stroke)
Incorrect throttle setting
Dirty air filter element
Too low height adjustment
Low or no oil (4 stroke)
Blades worn or damaged
Blade disc loose
Slow running
Blades restricted by grass and dirt
accumulated under the baseplate
Blocked vents in grasscatcher
Build up of grass and dirt on upper
surface of blade disc
Blades out of balance
Bent or damaged disc or blade
Looseness of assembly
Low or no oil (4 stroke)
Fuel supply blocked
Engine worn or seized
Fuel cap not venting
Low or no oil (4 stroke)
Correction
Turn fuel tap 'ON'
Refill tank with correct fuel
Refer to 'Starting Procedures'
Press terminal cover fully onto
the spark plug
Turn fuel tap 'OFF'. Pull starter cord
until engine starts, then turn fuel
tap 'ON'
Replace spark plug
Contact Service Centre
Contact Service Centre
Contact Service Centre
Contact Service Centre
Top up with correct oil
Set throttle lever in the 'RUN' position
Clean or replace
Raise cutting height
Top up with correct oil
Replace
Contact Service Centre
Refer to 'Loss of Power' above
Remove spark plug lead and clean
under the baseplate
Clean vents
Clean
Replace both blades
Replace disc or both blades
Check all nuts for tightness
Top up with correct oil
Check fuel line
Contact Service Centre
Check / Loosen cap slightly
Top up with correct oil

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