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当前版本: oldturkey03 ,

文本:

gump 01, here is a general idea about some of the B&S engines. O could probably provide you with a bit more in depth information, if I would know which engine model you have. :" Adjust Valve Clearance
All Models - Except Vertical Models 110000, 120000 Early Production
NOTE: Check valve clearance while the engine is cold.
1. Turn crankshaft counterclockwise until piston is at top dead center on the compression stroke. This prevents the compression release from holding the valves open.
-
-2. Insert a narrow screwdriver or rod into the spark plug hole as a gauge, then slowly
-
-turn crankshaft counterclockwise until the piston has moved down the bore by 1/4” (6mm).
-
+2. Insert a narrow screwdriver or rod into the spark plug hole as a gauge, then slowly turn crankshaft counterclockwise until the piston has moved down the bore by 1/4” (6mm).
3. Using a feeler gauge (A, Figure 41), adjust rocker nut to obtain the clearance as listed on the bottom o this answer.
-
4. Hold rocker nut and tighten the rocker ball setscrew (B) to the torque valve of 45 lb-in. (5 Nm).
-
5. Check clearance again and re-adjust, if necessary.
-
6. Repeat for other valve.
-
NOTE: On some models, the nut and setscrew are positioned above the push rod ends.
[image|238914|align=center]
Vertical Models 110000, 120000 Early Production
1. Using a feeler gauge (A, Figure 42) adjust the locking hex nut (B) to obtain the
-
correct clearance as listed on the bottom of this answer.
-
2. Repeat for other valve.
-
[image|238913|align=center]
- OR -
1. Loosen jam nut (A, Figure 43) at base of rocker arm stud. Then, using a feeler gauge (B), turn rocker arm screw (C) to obtain the correct clearance as listed on the bottom of this answer.
-
2. Hold the screw and tighten the jam nut to value 45 lb-in. (5 Nm).
-
3. Check clearance again and re-adjust, if necessary.
[image|238912|align=center]
MODEL 110000 HORIZONTAL SERIES
Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)
-
Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)
MODEL 120000 HORIZONTAL SERIES
Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)
-
Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)
MODEL 150000 HORIZONTAL SERIES
Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)
-
Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)

状态:

open

编辑: oldturkey03 ,

文本:

gump 01, here is a general idea about some of the B&S engines. O could probably provide you with a bit more in depth information, if I would know which engine model you have. :" Adjust Valve Clearance
All Models - Except Vertical Models 110000, 120000 Early Production
NOTE: Check valve clearance while the engine is cold.
1. Turn crankshaft counterclockwise until piston is at top dead center on the compression stroke. This prevents the compression release from holding the valves open.
2. Insert a narrow screwdriver or rod into the spark plug hole as a gauge, then slowly
turn crankshaft counterclockwise until the piston has moved down the bore by 1/4” (6mm).
3. Using a feeler gauge (A, Figure 41), adjust rocker nut to obtain the clearance as listed on the bottom o this answer.
4. Hold rocker nut and tighten the rocker ball setscrew (B) to the torque valve of 45 lb-in. (5 Nm).
5. Check clearance again and re-adjust, if necessary.
6. Repeat for other valve.
NOTE: On some models, the nut and setscrew are positioned above the push rod ends.
-[image|238914|align=left]
+[image|238914|align=center]
Vertical Models 110000, 120000 Early Production
1. Using a feeler gauge (A, Figure 42) adjust the locking hex nut (B) to obtain the
correct clearance as listed on the bottom of this answer.
2. Repeat for other valve.
-[image|238913|align=left]
+[image|238913|align=center]
- OR -
1. Loosen jam nut (A, Figure 43) at base of rocker arm stud. Then, using a feeler gauge (B), turn rocker arm screw (C) to obtain the correct clearance as listed on the bottom of this answer.
2. Hold the screw and tighten the jam nut to value 45 lb-in. (5 Nm).
3. Check clearance again and re-adjust, if necessary.
-[image|238912|align=left]
+[image|238912|align=center]
MODEL 110000 HORIZONTAL SERIES
Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)
Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)
MODEL 120000 HORIZONTAL SERIES
Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)
Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)
MODEL 150000 HORIZONTAL SERIES
Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)
Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)

状态:

open

原帖由: oldturkey03 ,

文本:

gump 01, here is a general idea about some of the B&S engines. O could probably provide you with a bit more in depth information, if I would know which engine model you have. :" Adjust Valve Clearance

All Models - Except Vertical Models 110000, 120000 Early Production

NOTE: Check valve clearance while the engine is cold.

1. Turn crankshaft counterclockwise until piston is at top dead center on the compression stroke. This prevents the compression release from holding the valves open.

2. Insert a narrow screwdriver or rod into the spark plug hole as a gauge, then slowly

turn crankshaft counterclockwise until the piston has moved down the bore by 1/4” (6mm).

3. Using a feeler gauge (A, Figure 41), adjust rocker nut to obtain the clearance as listed on the bottom o this answer.

4. Hold rocker nut and tighten the rocker ball setscrew (B) to the torque valve of 45 lb-in. (5 Nm).

5. Check clearance again and re-adjust, if necessary.

6. Repeat for other valve.

NOTE: On some models, the nut and setscrew are positioned above the push rod ends.

[image|238914|align=left]

Vertical Models 110000, 120000 Early Production

1. Using a feeler gauge (A, Figure 42) adjust the locking hex nut (B) to obtain the

correct clearance as listed on the bottom of this answer.

2. Repeat for other valve.

[image|238913|align=left]

- OR -

1. Loosen jam nut (A, Figure 43) at base of rocker arm stud. Then, using a feeler gauge (B), turn rocker arm screw (C) to obtain the correct clearance as listed on the bottom of this answer.

2. Hold the screw and tighten the jam nut to value 45 lb-in. (5 Nm).

3. Check clearance again and re-adjust, if necessary.

[image|238912|align=left]

MODEL 110000 HORIZONTAL SERIES

Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)

Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)

MODEL 120000 HORIZONTAL SERIES

Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)

Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)

MODEL 150000 HORIZONTAL SERIES

Valve Clearance – Intake .004 - .006 in. (.10 - .15 mm)

Valve Clearance – Exhaust .009 - .011 in. (.23 - .28 mm)

状态:

open