Briggs & Stratton 750 DOV Series Spécifications télécharger pdf (Page 16)

Adjust Valve Clearance

NOTE: Check valve clearance while the engine

is cold.

1. Insert a narrow gauge such as a

screwdriver, rod, or pencil (A, Figure 1-9)

into the spark plug hole (B) until it touches

the piston (C). Cut away view is shown.

2. Observe the movement of the gauge and

turn the flywheel (D) clockwise past top

dead center on the compression stroke

until the piston has moved down the bore

0.25 in. (6.4 mm).

3. Valve clearance is checked by placing a

feeler gauge (E) between the lever arm

adjusting screw (F) and the valve cap (G).

4. Loosen the adjusting screw nut (H) with a

wrench.

5. Using an allen wrench, turn the adjusting

screw (F) to obtain the correct clearance.

6. Tighten the adjusting screw nut (H) to the

torque values listed in Section 12 - Engine

Specifications.

7. Recheck clearance after tightening nut.

Figure 1 - 9

Adjust ReadyStart Choke Link

Perform this adjustment while the engine is cold.

1. Using pliers, bend adjusting loop (A,

Figure 1-10) on choke link (B) until choke

lever gap (C) measures 0.000 - 0.060 in.

(0.000 - 1.52 mm). When properly

adjusted, the choke plate (D) will be fully

closed. Reshape wire to keep it parallel

(E) after adjusting loop.

Figure 1 - 10

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Briggs & Stratton 750 DOV Series Spécifications Page 16