Stihl 4180 · Section Q · 16 of 16 · 35 parts

Engine Ø 38 mm

Fits KM 90, KM 90 R.

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Parts (35)

Pos	Part number	Description	Qty
1	4180 020 1207	Cylinder with piston Ø 38 mm option	1
2	4180 025 2002	Valve option	2
3	4180 025 1600	Valve spring option	2
4	4180 025 3000	Spring retainer plate option	2
5	4180 038 1700	Collar screw M5 option	2
6	4180 030 2007	Piston Ø 38 mm option	1
7	4180 034 3002	Piston ring Ø 38x1.2 mm option	2
8	4137 034 1500	Piston pin 8x5x22 option	1
9	9463 650 0805	Snap ring 8x0.7 option	2
10	9075 478 4159	Pan head self-tapping screw IS-D5x24 option	4
11	4180 404 9300	Washer option	2
12	4180 030 0410	Crankshaft option	1
13	not sold separately	Grooved ball bearing 6201 optionnot available as a separate item	2
14	not sold separately	Spur gear optionnot available as a separate item	1
15	9639 003 1231	Oil seal12x22x7 option	2
16	4180 021 2500	Engine pan option	1
17	4180 030 1800	Cam wheel option	1
18	4180 038 0803	Pin 5x26.5 option	2
19	4180 038 1900	Cam follower option	2
20	4180 038 1300	Cover option	1
21	9075 478 3018	Pan head self-tapping screw IS-D4x18 option	4
22	4180 038 2600	Pushrod option	2
23	4282 038 1000	Rocker arm option	2
24	4180 038 2000	Sleeve option	2
25	4180 038 2700	Lock nut M5 option	2
26	4180 029 0500	Gasket option	1
27	4180 025 1100	Valve cover option	1
28	9022 346 1070	Spline screw IS-M5x30 option	1
29	9636 815 0270	Sealing ring 5x9x1 option	1
30	4180 149 0600	Muffler gasket option	1
31	4114 149 1205	Gasket option	1
32	4140 129 0900	Gasket option	1
33	4180 129 0900	Gasket option	1
34	0783 830 2000	Tube of sealant Dirko HT red option	1
Not numbered on the diagram — assemblies, kits and options
—	4180 020 0202	Engine Ø 38 mm option	1

2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.

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