Specifications

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NOTE: SPECIFICATION TABLES BEGIN ON PAGE 15 OF THIS SECTION.
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SPARK PLUGS
Spark Plug Service
Gap spark plug to .030” (0.76 mm) gap (1), Fig. 4.
Replace spark plug if electrodes are burned away or
porcelain is cracked. DO NOT USE ABRASIVE
CLEANING MACHINES.
NOTE:In some areas, local law requires the use of
a resistor spark plug to suppress ignition
signals. If originally equipped with a
resistor spark plug, use the same type of
spark plug for replacement.
Fig. 4
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REMOVE FLYWHEEL
Important: All Model Series
(Except 80000, 100700, 100200, 100900,
130000 & 280000)
Specifications for flywheel torque, flywheel holders
and flywheel pullers by engine model are found in
Table No. 1, page 15. In all cases, use correct tools to
avoid damaging flywheel fins, magnet or ring gear.
Remove Flywheel Nut or
Rewind Starter Clutch (Figs. 5, 6, 7)
1. Remove blower housing and rotating screen,
when so equipped.
2. Use correct flywheel holder (see Table No. 1) to
keep flywheel from turning while loosening and re-
moving flywheel nut or rewind starter clutch, de-
pending on application. Note that Flywheel Holder
#19372 can be used on all models listed. Only use
Flywheel Holder #19167 (1) on flywheels smaller
than 6-3/4 in. diameter or less with metal fins only.
3. Use Tool #19244, Starter Clutch Wrench (2), to
remove rewind starter clutch, if so equipped. If
crankshaft extension is used with starter clutch,
remove it before attempting to pull flywheel.
4. Remove fan retainer or flywheel fan, if used.
NOTE:Do not use fins on magnet insert to prevent
flywheel from turning.
Fig. 5
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Fig. 6