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Maintenance
Regular maintenance will improve the performance and
extend the life of the engine. See any Authorized Briggs
& Stratton Dealer for service. Use only genuine
Briggs & Stratton parts. Other parts may not
perform as well, may damage the engine, and may
result in injury. In addition, use of other parts may void
your warranty.
Emission Control
Maintenance, replacement or repair of the emission
control devices and systems may be performed by
any nonroad engine repair establishment or
individual. However, to obtain no charge repairs under
the terms and provisions of the Briggs & Stratton
warranty statement, any service or emission control
part repair or replacement must be performed by a
factory authorized dealer.
All the components used to build this engine
assembly must remain in place for the proper
operation of this engine.
CAUTION
Before performing maintenance or repairs:
• Disconnect spark plug wire and keep it away
from spark plug.
• Disconnect battery at negative terminal (only
engines with electric start).
• Use only correct tools.
• Do not strike the flywheel with a hammer or hard
object because the flywheel may later shatter
during operation
.
•
Do not tamper with governor spring, links or
other parts to increase engine speed
.
When testing for spark:
• Use approved spark plug tester.
• Do not check for spark with spark plug removed.
Unintentional sparking can result
in fire or electric shock.
Fire or explosion can cause
severe burns or death.
Unintentional start-up can result
in entanglement, traumatic
amputation, or laceration.
WARNING
Follow the instructions and schedules indicated below.
Check Valve Clearance
Clean/Replace In-line Fuel Filter (if equipped)
Clean Cooling System*
Task
Perform task at hourly
or calendar interval,
whichever comes first.
Check Oil Level
Service Air Cleaner Pre-Cleaner*
Clean Oil Cooler (if equipped)*
Inspect Spark Arrester (if equipped)
Change Oil **
Service Air Cleaner Cartridge*
Check Valve Clearance on LPG/NG Engines
Clean/Replace Spark Plugs
Change Oil Filter (if equipped)
Every 8 Hours
or Daily
25
Hours
50
Hours
100
Hours
100 − 400
Hours
* Clean more often under dusty conditions or when airborne debris is present. Replace air cleaner, if very dirty.
** Change oil after first 5 to 8 hours of use, then every 100 hours. Change oil every 50 hours when operating the
engine under heavy load or in high temperatures.