K-Series - Single Cylinder Torque Values & Sequences for Fasteners

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K-Series - Single Cylinder Torque Values & Sequences for Fasteners

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Model (Horsepower)		KT17 (17)	KT19 (19)	K582 (23)
Connecting Rods¹	Posi-Lock¹^,²	New 140 in. lbs Used 100 in. lbs.		-
	Capscrew¹^,³	200 in. lbs.		5/16-200 in. lbs. 3/8-300 in. lbs.
Spark Plugs		10-15 ft. lbs.		18-22 ft. lbs.
Cylinder Head¹
Flywheel Retaining	Nut	-		115 ft. lbs.
	Screw¹	40 ft. lbs.		-
Grass Screen	Metal	70-140 in. lbs.		70-140 in. lbs.
	Plastic	20-30 in. lbs.		-
Oil Pan	Aluminum¹	-		30 ft. lbs.
	Cast Iron¹	-		35 ft. lbs.
Manifold Screw/Nut		150 in. lbs.		210 in. lbs.
Camshaft Nut		-		40 ft. lbs.
Non Metallic Fuel Pump Mounting Screws		37-45 in. lbs.		37-45 in. lbs.

¹Lubricate fastener threads with engine oil.
²DO NOT overtorque - DO NOT loosen and retorque the hex. nuts on Posi-Lock connecting rods.
³Overtorque 20%, loosen below torque value and retorque to final torque value.
⁴Prior to Serial No. 23209832 - 45-55 ft. lbs.
⁵Flywheel and crankshaft tapers must be clean and dry.

NEW - Component directly from stock.
USED - Component that was in a running engine.

K582
Gear Cover	Closure Plate
Install two shoulder capscrews (1/2" thread depth) in second and third holes as indicated. Tighten to 150 in. lbs. - then install other capscrews and torque to 150 in. lbs.	30 ft. lbs.

KT17 & KT19 Crankcase

Bolt No.	Torque
1,2,3,4, (12, 14 Grade 8)	260 in. lbs.
5-11,13,15	150 in.lbs.
16	35 in. lbs.

Bolt No.	Torque
1-4	260 in. lbs.
5-6	200 in. lbs.
Torque remaining bolts in most expedient sequence to:	200 in. lbs.

KT17 & KT19

Cylinder Barrel

Closure Plate

Apply sealant to crankcase.*
Preliminary Torque - 100 in. lbs.
FinalTorque-200in. lbs. (Engines with 5/16-18 studs)

Final Torque - 360 in. lbs. (Engines with 3/8-16 studs)

150 in. lbs.

Use a gasket or sealant as necessary: When reinstalling a closure plate or cylinder barrels originally installed with a gasket, use a new gasket. When reinstalling a closure plate or cylinder barrels originally installed with sealant, use new sealant. When installing a service replacement closure plate or cylinder barrels, use new sealant.