Makita EM4250CA Manuel D'instructions page 27

(3) Ignition System
(i) Spark Plugs.
(ii) Magneto or electronic ignition system.
(iii) Spark advance/retard system.
(4) Miscellaneous Items Used in Above Systems
(i) Hoses, Sealing gaskets, belts, connectors, and assemblies.
Makita USA, Inc will furnish with each new engine written instructions for the maintenance and
use of the engine by the owner.
(e) MAINTENANCE STATEMENTS
It is your responsibility to have all scheduled inspection and maintenance services performed
at the times recommended in the 2007 and later Owner's Manual and to retain proof that
inspection and maintenance services are performed at the times when recommended. Makita
USA, Inc will not deny a warranty claim solely because you have no record of maintenance;
however, Makita USA, Inc may deny a warranty claim if your failure to perform required
maintenance resulted in the failure of warranted part. The proof, which you maintain, should
be given to each subsequent owner of the engine. You are responsible for performing the
scheduled maintenance described below based on the procedures specified in the 2007 and
later Owner's Manual. The scheduled maintenance below is based on the normal
engine-operating schedule.
PROCEDURE
1) Clean engine and check bolts and nuts.
Retighten if necessary.
2) Check and refill engine oil (4stroke
engine only)
3) Change engine oil (4stroke engine only)
4) Check clogging of cooling air passage
and cylinder fins. Remove and clean if
necessary.
5) Clean air cleaner.
6) Check spark plug. Clean and adjust if
necessary.
7) Check muffler exhaust outlet(or port).
Clean if necessary.
8) Check fuel filter. If clogged, replace with
new one.
9) Adjust valve clearance, if applicable
(4stroke engine only).
10) Replace fuel lines.
11) Clean and inspect the complete engine.
Replace any damaged or worn out parts.
12) Replace packings and gaskets with new
ones.
INTERVAL
:Every 8 hours(daily)
:Every 8 hours(refill daily up to upper limit)
:Initial 20 hours and every 50 hours
afterward
:Every 8 hours (daily)
:Every 8 hours (daily)
:Every 8 hours (daily)
:Every 50 hours (monthly)
:Every 50 hours (monthly)
:Every 200 hours (yearly)
:Every 200 hours (yearly)
:Every 200 hours
:Every reassembling
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