Internal Engine Assembly
M273

Ref #	Description	Part #	QTY
1	ROCKER
	Right	3004716	8
	Left	3004717	8
2	LOCK, Exhaust Valve	381875	16
3	RETAINER, Exhaust Valve Spring	1551002	8
4	SPRING, Exhaust	2126016	8
5	SHIELD, Exhaust Valve Stem Oil	2205959	8
6	VALVE, Exhaust
	Std.	3549967	8
	.005 O/S	3549968	8
	.015 O /S	3549969	8
	.030 O/S	3549970	8
7	TAPPET, Valve
	Std	3549989	16
	.001 O/S	3549990	16
	.008 O / S	3549991	16
	.030 O/S	3549992	16
8	PLATE	1618670	1
9	SPROCKET	2899556	1
10	ECCENTRIC	2843661	1
11	SCREW, w/vVASHER, RawWater	1854523	1
	SCREW,FreshWater.	180147	1
12	SCREW, w/WASHER	1854523	1
	WASHER, Fresh Water	1618732	1
13	CHAIN	1327319	1
14	SCREW,Camshaft Thrust Plate	191674	3
	SCREW,Camshaft Thrust Plate	6028098	1
15	KEY, Crankshaft Sprocket	6029411	1
16	SPROCKET, Crankshaft	1637657	1
17	CRANKSHAFT
	C/W rotation	2532198	1
	C/C/W rotation	2847052	1
18	BEARING PACKAGE, Crankshaft
	No. 1, 2 and 4
	Std.	2084005	3
	.001 U/S	2084006	3
	.002 U/S	2084007	3
	.003 U/S	2275387	3
	.010 U/S	2084008	3
	.012 U/S	2275388	3
	No 3
	Std	1879627	1
	.001 U/S	1879628	1
	.002 U/S	1867629	1
	003 U/S	2275389	1
	.010 U/S	1879630	1
	.012 U/S	2275390	1
	No.5
	Std	3514151	1
	.001 U/S	3514152	1
	.002 U/S	3514153	1
	.003 U/S	3514154	1
	.010 U/S	3514155	1
	.012 U/S	3514156	1
19	CAP, Crankshaft Bearing
	No. 1, 2 and 4	2863854	3
	No.3	2463582	1
	No.5	2863902	1
20	SCREW	1618695	10
21	BEARING PACKAGE, Connecting Rod
	Std.	2421305	8
	.001 U/S	2421306	>8
	.002 U/S	2421307	8
	.003 U/S	2421308	8
	.010 U/S	2421309	8
	.012 U/S	2421310	8
22	NUT	1737695	16
23	PIPE, w/STRAINER
24	PUMP, Oil
25	OIL SEAL PACKAGE	1326091	1
26	OIL SEAL PACKAGE	1326093	1
27	BUSHING	2863584	1
28	PLUG	2863071	1
29	SHAFT, w/GEAR
	C/W Rotation	2121535	1
	C/C/W Rotation	E7730M	1
30	BEARING, Camshaft
	No.1	1632522	1
	No.2.	1632523	1
	No.3.	1632524	1
	No.4	1632525	1
	No.5	1632526	1
31	CAMSHAFT
	C/W rotation	2806283	1
	C/C/W Rotation	2846998	1
32	>BOLT	1944865	16
33	ROD, w /CAP, Connecting	2406785	8
34	RING	1324470	16
35	RING SET, Piston
	Std to .009 O/S	2808553	1
	.020 to 029 O/S	2808554	1
	.040 to.049 O/S	2808555	1
36	SCREW	180086	>10
37	SHAFT	2532149	2
38	RETAINER
	Ends and Center	2463322	6
	Intermediate	2463323	4
39	LOCK, Intake Valve	381875	16
40	RETAINER, Intake Valve	2402045	8
41	SPRING, Intake Valve	2847070	8
42	ROD	2899561	16
43	SHIELD, Intake Valve Stem Oil	2205958	8
44	PLUG	1324268	4
45	PISTON
	Std.	3004502	8
	.005 O/S	3004503	8
	.020 O/S	3004504	8
	.040 O/S	3004505	8
46	PIN, Piston
	Std	2899536	8
	.003 O/S	2899537	8
	.003 O/S	2899538	8
47	VALVE,lntake
	Std	3549963	8
	.005 O/S	3549964	8
	.015 O/S	3549965	8
	.030 O/S	3549966	8
48	BUSHING	3698293	8
49	KEY	103740	1