28Makita USA, Inc will furnish with each new engine written instructions for the maintenance and use of the engineby the owner.(e) MAINTENANCE STATEMENTSIt is your responsibility to have all scheduled inspection and maintenance services performed at the timesrecommended in the 2007 and later Owner's Manual and to retain proof that inspection and maintenanceservices are performed at the times when recommended. Makita USA, Inc will not deny a warranty claim solelybecause you have no record of maintenance; however, Makita USA, Inc may deny a warranty claim if yourfailure 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 scheduledmaintenance described below based on the procedures specified in the 2007 and later Owner's Manual. Thescheduled maintenance below is based on the normal engine-operating schedule.PROCEDURE INTERVAL1) Clean engine and check bolts and nuts. Retighten ifnecessary.: Every 8 hours (daily)2) Check and refill engine oil (4 stroke engine only) : Every 8 hours (refill daily up to upper limit)3) Change engine oil (4 stroke engine only) : Initial 20 hours and every 50 hours afterward4) Check clogging of cooling air passage and cylinderfins. Remove and clean if necessary.: Every 8 hours (daily)5) Clean air cleaner. : Every 8 hours (daily)6) Check spark plug. Clean and adjust if necessary. : Every 8 hours (daily)7) Check muffler exhaust outlet (or port). Clean ifnecessary.: Every 50 hours (monthly)8) Check fuel filter. If clogged, replace with new one. : Every 50 hours (monthly)9) Adjust valve clearance, if applicable (4 strokeengine only).: Every 200 hours (yearly)10) Replace fuel lines. : Every 200 hours (yearly)11) Clean and inspect the complete engine. Replaceany damaged or worn out parts.: Every 200 hours12) Replace packings and gaskets with new ones. : Every reassembling