Briggs & Stratton 12J800 20 K399781S, 795431, 691866, 20A, 691092, 23A 691987, 499423, 795429

12J800

REF.	PART		REF.	PART		REF.	PART
NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION
20 K399781S		Seal−Oil	26	795431	Ring Set	27	691866	Lock−Piston Pin
		(PTO Side)			(Standard)			(Used After Code Date
20A	K691952	Seal−Oil			(Used After Code Date			97011200).
		(PTO Side)			07090300).			−−−−−−− Note −−−−−
		(Auxiliary PTO)			−−−−−−− Note −−−−−			691588 Lock−Piston
22	691092	Screw			791098 Ring Set			Pin
		(Crankcase Cover/			(Standard)			(Used Before Code
		Sump)			(Used After Code Date			Date 97011300).
23A	691987	Flywheel			04031400 and Before	28	499423	Pin−Piston
		−−−−−−− Note −−−−−			Code Date 07090400).			(Standard)
		691992 Flywheel			499425 Ring Set			(Used After Code Date
		Used on Type No(s).			(Standard)			97011200).
		0826, 0873, 0874,			(Used After Code Date			−−−−−−− Note −−−−−
		1552, 1567, 1753,			97011200 and Before			298909 Pin−Piston
		1925, 1931, 1934,			Code Date 04031500).			(Standard)
		1973, 1974, 2805,			493261 Ring Set
								(Used Before Code
		2905, 2935, 4961.			(Standard)
								Date 97011300).
		696291 Flywheel			(Used Before Code
								298908 Pin−Piston
		Used on Type No(s).			Date 97011300).
								(.005” Oversize)
		2327, 2328, 2329.			795432 Ring Set
								(Used Before Code
24	222698S	Key−Flywheel			(.020” Oversize)
								Date 97011300).
25	795429	Piston Assembly			(Used After Code Date
						29	499424	Rod−Connecting
		(Standard)			07090300).
								(Standard)
		(Used After Code Date			791324 Ring Set
								(Used After Code Date
		07090300).			(.020” Oversize)
								97011200).
		−−−−−−− Note −−−−−			(Used After Code Date
								−−−−−−− Note −−−−−
		791096 Piston			04102100 and Before
								490566 Rod−
		Assembly			Code Date 07090400).
								Connecting
		(Used After Code Date			499427 Ring Set
								(Standard)
		04031400 and Before			(.020” Oversize)
								(Used Before Code
		Code Date 07090400).			(Used After Code Date
								Date 97011300).
		494058 Piston			97011200 and Before
						32	691664	Screw
		Assembly			Code Date 04102200).
								(Connecting Rod)
		(Standard)			493389 Ring Set
						32A	695759	Screw
		(Used Before Code			(.020” Oversize)
								(Connecting Rod)
		Date 97011300).			(Used Before Code
								(Used After Code Date
		795430 Piston			Date 97011300).
								00042200).
		Assembly			493390 Ring Set
						33	262651S	Valve−Exhaust
		(.020” Oversize)			(.030” Oversize)
						34	262652S	Valve−Intake
		(Used After Code Date			(Used Before Code
		07090300).			Date 97011300).	35	691270	Spring−Valve
		791325 Piston						(Intake)
		Assembly				36	691270	Spring−Valve
		(.020” Oversize)						(Exhaust)
		(Used After Code Date				37	694086	Guard−Flywheel
		04102100 and Before				40	692194	Retainer−Valve
		Code Date 07040400).				43	691997	Slinger−Governor/Oil
		494060 Piston				45	690548	Tappet−Valve
		Assembly
		(.020” Oversize)
		(Used Before Code
		Date 97011300).

K Included in Engine Gasket Set−Ref. No.358.	z Included in Carburetor Gasket Set−Ref. No. 977.
D Included in Carburetor Overhaul Kit−Ref. No. 121.	∅ Included in Valve Gasket Set−Ref. No 1095.

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

0991−10 Assemblies include all parts shown in frames. 11/30/2007

10