Briggs & Stratton 276535 Repair Manual download pdf (Page 10)

2-Cycle Snow Engine

Section 1 - General Information

Page 4

REPLACE SPARK PLUG

Replace spark plug every year. Replace spark plug if

electrode is burned away or if the porcelain is cracked. A

spark plug that is dirty, pitted, carbon covered or has

worn electrodes may cause hard starting and/or poor

operation. Clean plug with a wire brush. Do not sand

blast. Use

NGK BPMR 4A or equivalent. Set spark plug

gap (Figure 11) at

.028-.032 in. (.71-.81mm). Torque spark

plug to

150-200 lb-in. (17-23 Nm).

Fig. 11

CLEANING THE EXHAUST SYSTEM

1. Remove the muffler (Figure 12) by removing the

bolts shown. Clean as needed.

Fig. 12

2. Inspect exhaust port (Figure 13). If cleaning is

necessary, rotate piston to cover exhaust port,

and scrape carbon from exhaust port area. Use

wood only to clean this area.

Fig. 13

3. Install the muffler and torque the bolts to 80 lb-in.

(9Nm)

.28-.032 in.

(.71 - .81mm)

BST01-82

BST01-83

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Briggs & Stratton 276535 Repair Manual Page 10