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9.4Sparkplugservice

Recommendedsparkplug:BPR5ES(NGK)

F7RTC(LG)

Toensureproperengineoperation,thesparkplugmustbeproperlygappedandfreeofdeposits.

1) Removethesparkplugcap.

WARNINGIftheenginehasbeenrunningthemufflerwillbeveryhot.Becarefulnottotouchthemuffler.

2) Visuallyinspectthesparkplug.Discarditiftheinsulatoriscrackedorchipped.

3) Measurethepluggapwithafeelergauge.Thegapshouldbe0.7‐0.8mm(0.028‐0.

031in),Correctasnecessaryby

bendingthesideelectrode.

4) Attachtheplugwasher,threadthepluginbyhandtopreventcross‐threading.

5) When mounting a new spark plug, you should screw 1/2 more thread with the wrench after the washer is

compressed.Ifyouaremountinganoldone,youshouldonlyscrew1/8‐1/4morethread.

CAUTION:Thesparkplugmustbesecurelytightened.Animproperlytightenedplugcanbecomeve

ryhotandpossibly

damagetheengine.Neveruseasparkplugwithanimproperheatrange.

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