Manual

REPLACING THE SPARK PLUG
Use only Champion RDZ19H spark plug or equivelent. The
correct air gap is 0.025 in. (0.655 mm). Remove the plug
after every 25 hours of operation and check its condition.
1. Stop the engine and allow it to coo]. Grasp the plug
wire firmly and pull the cap from the spark plug.
2. Clean dirt from around the spark plug. Remove
the spark plug from the cylinder head by turning
counterclockwise using a 5/8 inch deep socket.
3. Replace cracked, fouled or dirty spark plug. Set the
air gap at 0.025 in. (0.655 mm) using a feeler gauge
(Fig, 57).
SPARK ARRESTOR MAINTENANCE
1. Remove the muffler cover. See Rocker Arm
Clearance, Pg. 22.
2. With a flat blade screwdriver or Torx T20 bit, remove
the screw attaching the spark arrestor cover to the
muffler (Fig, 56).
Muffler
Spark Arrestor Screen
0.025 in.
(0.655 mm.)
Fig.57 ...........
CAUTION: Do notsand blast, scrape, or clean
electrodes. Gdt in the engine could damage the
cylinder,
4. install a correctly gaped spark plug in the cylinder
head. Tighten by turning the 5/8 inch deep socket
clockwise until snug.
If using a torque wrench torque to;
110-120 in.olb. (12.3-13.5 N*m).
Do not over tighten.
Slot
Tab Screw
Spark Arrestor Cover
........... Fig. 58 .................................
3. Pull the tab on the spark arrestor cover out of the
muffler. Remove the spark arrestor cover.
4. Remove the spark arrestor screen from the spark
arrestor cover.
5. Clean the spark arrestor screen with a wire brush, or
replace.
6. Reinstall the spark arrestor screen, spark arrestor
cover, and screw.
ACCESSORIES/REPLACEMENT PARTS
4-Cycle Oil ......................... 753-1249
Oil Fill Plug / Dipstick ................. 791-182378
Spark Plug ......................... 791-180852B
Spark Arrestor Screen ................ 791-180890
Replacement Line ............... 0.105in (2,667mm)
Replacement Line Cartridge ........... 753-1160
Inner Reel Spring .................... 791-610636B
Outer Spool ........................ 791-683301
Inner Reel .......................... 791-147495
Bump Knob TM ...................... 791-!80814B
Fuel Cap .......................... 791-181083
Shoulder Harness ................... 791-682075B
These replacement parts can be purchased from your
local authorized dealer or by calling 1-330-558-7220 or
1-866-840-6483.
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