Difficulties in parts search?

Parts list

Difficulties in parts search?

	Description	OEM Part #	Price
1	1 12100-KA4-000 Cylinder	12100-KA4-000	—
2	2 12191-KA4-306 Gasket, cylinder	12191-KA4-306	US $6.75
3	3 12200-KA4-000 Cylinder head	12200-KA4-000	—
4	4 12254-KA4-306 Gasket, cyl hd	12254-KA4-306	—
5	5 14100-467-003 Valve assy reed	14100-467-003	—
6	6 14132-KAE-000 Gasket a, reed valve	14132-KAE-000	from US $4.71
7	7 14133-430-306 Gasket b, reed valve	14133-430-306	from US $7.55
8	8 16221-KA4-000 Ins.carb	16221-KA4-000	—
9	9 16223-KS5-000 Band, insulator	16223-KS5-000	from US $8.14
10	10 18291-430-306 Gasket, ex. pipe	18291-430-306	from US $7.79
11	11 18351-KA4-000 Joint,ex.pipe	18351-KA4-000	—
13	13 90037-360-000 Bolt, oil check	90037-360-000	from US $2.74
14	14 94050-08000 Nut FLANGE, 8MM	94050-08000	from US $0.52
15	15 90543-273-000 Gasket, fr.	90543-273-000	from US $2.15
16	16 90031-KA4-000 Bolt,stud,8x68 Use from Engine SN 2303825	90031-KA4-000	—
16	16 92900-08045-3E Bolt,stud,8x45 Use up to Engine SN 2303824	92900-08045-3E	from US $1.04
17	17 93500-050-200-A Screw PAN, 5X20	93500-050-200-A	from US $0.37
18	18 94050-10000 Nut FLANGE, 10MM	94050-10000	from US $0.74
19	19 94301-12200 Dowel pin 12X20	94301-12200	from US $1.04
20	20 95701-0601800 Bolt, flange, 6x18	95701-0601800	from US $0.52
21	21 95701-0602200 Bolt, flange, 6x22	95701-0602200	from US $0.59
22	22 98079-58644 Plug,spark,	98079-58644	US $9.93
22	22 98079-58679 Spark plug (br8eg)	98079-58679	US $9.32
22	22 98079-59644 Plug,spark,b-9ev	98079-59644	from US $9.92
22	22 98079-59679 Spark plug (br9eg)	98079-59679	from US $9.92

Cylinder head + cylinder + reed valve 81-82 Diagram Honda CR250 USA 13619552-787058