ADVANCE PRODUCT SERVICE...
Transcript of ADVANCE PRODUCT SERVICE...
BRIGGS & STRATTON CORPORATION
APSI NO:
DATE:
SUBJECT:
MODELS:
Page 1 of 6 © Briggs & Stratton Corporation
73
02/11/2011
PROFESSIONAL SERIES™ ENGINE
950 Series (Model 140000)
Briggs & Stratton recently introduced the 950 Series OHV vertical shaft engine in the single-cylinder Professional Series product line.
Some of the features of this engine include:
This APSI provides basic servicing information in advance of the repair manual currently in development. See the Illustrated Parts List for service part numbers. The following specifi cations, part numbers, and/or procedures are PRELIMINARY and subject to change.
ADVANCE PRODUCT SERVICE INFORMATION
• Electric ReadyStart® starting system• Commercial quality oval air cleaner element with dual seals allows for
increased maintenance intervals• 2 year consumer / 90 day commercial limited warranty
BRIGGS & STRATTON CORPORATION
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Dimensions
15.806(401.47)
5.874(149.2)
9.926(252.13)
7.142(181.4)
6.204(157.58)
9.866(250.6)
2.62(267.0)
2.06(52.0)
6.9 (175.16)
CLEARANCE HOLEFOR SUMP
1.94(49.0)
1.56(40.0)
3.20(81.0)
2.41(61.0)
3.68(94.0)
3.02(77.0)
13.346(338.98)
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Torque Patterns
Figure 1 Figure 2
23
1 4
Figure 3
Loc-patch screw
23
1 4
2
46
735
1
On engines built between date codes 101206xx and 110201xx, a penetrating oil should be applied to the ex-posed threads before backing out the cylinder head screws (Fig 1).
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Common Service Parts Service NumberAir Cleaner Gasket 691894Air Filter Element 795066
Air Filter Pre-Cleaner 796254Armature 796499
Carburetor 799479Carburetor Overhaul Kit 796612
Crankcase Cover Gasket 692232Cylinder Head Gasket 799496
Electric Starter 799241Fuel Cap 692046
Gasket Set 799496Spark Plug 692720
Spark Plug Wrench 19576Valve Gasket Set 799496
Common Specifications SAE MetricArmature Air Gap .010 - .014 in .25 - .36 mmBore and Stroke 2.913 x 2.040 in 73.99 x 51.82 mm
Crankshaft End Play .002 - .038 in .05 - .97 mmDisplacement 13.60 ci 223 cc
Exhaust Valve Clearance .004.- .008 in .10 - .20 mmIntake Valve Clearance .004 - .008 in .10 - .20 mm
Fuel Tank Capacity .3 gal 1.13 LOil Capacity 18 - 20 oz .54 - .59 L
Spark Plug Gap .020 in .51 mmSpark Plug Torque 180 lb-in 20 Nm
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Fastener Torque Specs SAE Metric Notes
Air Cleaner Base to Carburetor
40 lb-in 4.5 Nm -
Air Cleaner Cover Knob 10 lb-in 1.1 Nm -
Alternator 40 lb-in/85 lb-in 4.5 Nm/9.6 Nm Uses 1 screw and 1 stud
Armature 85 lb-in 9.6 Nm -
Breather Cover 55 lb-in 6.2 Nm -
Breather Reed 45 lb-in 5.1 Nm -
Carburetor 85 lb-in 9.6 Nm -
Casing Clamp 15 lb-in 2 Nm -
Connecting Rod 95 lb-in 11 Nm Torque long bolt fi rst
Crankcase Cover 110 lb-in 12.4 Nm See Figure 3 for torque sequence
Cylinder Head 210 lb-in 23.7 Nm See Figure 1 for torque sequence
Electric Starter to Cylinder 85 lb-in 9.6 Nm -
Flywheel Guard 65 lb-in 4.5 Nm -
Flywheel Nut 60 lb-ft 6.8 Nm -
Fuel Tank to Cylinder 85 lb-in 9.6 Nm -
Governor Lever Nut 30 lb-in 3.4 Nm -
Muffler Bolts 85 lb-in 9.6 Nm -
Muffler Guard 25 lb-in 2.3 Nm -
Oil Drain Plug 145 lb-in 16.4 Nm -
Rewind Nuts 30 lb-in 3.4 Nm -
Rocker Arm Studs 50 lb-in 5.6 Nm -
Rocker Ball Set Screws 40 lb-in 4.5 Nm -
Spark Plug 180 lb-in 20 Nm -
Valve Cover 40 lb-in 4.5 Nm See Figure 2 for torque sequence
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Reject Dimensions Standard Dims. Reject Dims.
SAE Metric SAE Metric
Cylinder
Mag Bearing .876 in 22.25 mm .878 in 22.30 mm
Mag Oil Seal Depth Flush Flush N/A N/A
Bore out-of round N/A N/A .0015 in (.04 mm)
Cam Bearing .501 in 12.73 mm .502 in 12.75 mm
Cylinder Head
Intake
Valve Seat Angle 46° 46° N/A N/A
Valve Stem .247 in 6.29 mm .245 in 6.22 mm
Valve Guide .249 in 6.32 mm .251 in 6.38 mm
Exhaust
Valve Seat Angle 46° 46° N/A N/A
Valve Stem .247 in 6.29 mm .245 in 6.22 mm
Valve Guide .249 in 6.32 mm .251 in 6.38 mm
Crankcase Cover / Sump
PTO Bearing 1.065 in 27.05 mm 1.067 in 27.10 mm
PTO Oil Seal Depth .200 in .508 mm 5.075 in 128.91 mm
Cam Bearing .501 in 12.73 mm .502 in 12.75 mm
Crankshaft
Crankpin Journal 1.098 in 27.89 mm 1.096 in 27.84 mm
Mag Journal .875 in 22.23 mm .873 in 22.17 mm
PTO Journal 1.062 in 26.97 mm 1.060 in 26.92 mm
Cam Shaft
Mag-Side Journal .500 in 12.70 mm .499 in 12.67 mm
PTO Side Journal .500 in 12.70 mm .499 in 12.67 mm
Connecting Rod
Crankpin Bearing 1.100 in 27.95 mm 1.101 in 27.97 mm
Piston Pin Bearing .491 in 12.47 mm .493 in 12.52 mm
Piston
Pin Diameter .490 in 12.45 mm .489 in 12.42 mm
Pin Bore .491 in 12.47 mm .492 in 12.50 mm
Piston Rings
Ring End Gap - Top .005 - 015 in .13 - .38 mm .025 in .64 mm
Ring End Gap - Middle .025 - .035 in .64 - .88 mm .045 in 1.14 mm
Ring End Gap - Oil .010 - .030 in .05 - .08 mm .045 in 1.14 mm
Ring Land Clearance- Top .002 in .05 mm .005 in .13 mm
Ring Land Clearance - Middle
.002 in .05 mm .005 in .13 mm
Ring Land Clearance - Oil .004 .10 mm .007 in .18 mm