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Briggs torque specs

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Briggs torque specs

Postby Gerry » Tue Aug 13, 2019 11:50 am

Can someone please post the torque values for Briggs 25P132 0003-G1 head bolts and valve specs. Engine is on a Troy bilt generator. Thanks in advance.
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Re: Briggs torque specs

Postby KE4AVB » Tue Aug 13, 2019 12:09 pm

Technical Specifications

Model Series 25P1
Engine Series 2100
Displacement 420
Oil Capacity 48 oz (1.4 l)
Valve Configuration OHV
Flywheel Torque 105 lb/ft (142.5 Nm)
Governor Arm Torque 40 lb/in (4.5 Nm)
Carb Mount 105 lb/in (12.0 Nm)
Plug Gap 0.03 in (0.75 mm)
Intake Valve .004-.006 in (.10-.15 mm)
Exhaust Valve .004-.006 in (.10-.15 mm)
Idle Speed 1750
Air Gap .010-.014 in (.25-.36 mm)
Flywheel Puller Part 19203
Flywheel Holder Part 19433
Connecting Rod Torque 180 lb/in (20.5 Nm)
Sump Torque 210 lb/in (23.7 Nm)
Head Torque 355 lb/in (40.0 Nm)
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Re: Briggs torque specs

Postby 38racing » Tue Aug 13, 2019 1:52 pm

boy that's the highest torque for a head bolt that I've seen. IIRC flat head are around 165 and common ohv around 230.
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Re: Briggs torque specs

Postby KE4AVB » Tue Aug 13, 2019 3:10 pm

Yes there some that are 250 in lbs but there one model series that is 300 in lbs (1854xx) and another model set (2354xx and 2454xx) that is 420 in lbs.
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