Difficulties in parts search?

Parts list

Difficulties in parts search?

	Description	OEM Part #	Price
1	1 54830007300I Piston I 250 2011 2011	54830007300I	US $251.60
1	1 54830007300II Piston Ii 250 2011 2011	54830007300II	US $251.60
2	2 54830232000 Trapezoid Ring 250 66,4 Mm 2011	54830232000	US $43.84
3	3 54030074000 Wire lock ring c18x1,5 2011	54030074000	US $1.97
4	4 54830233000 Piston pin 2011	54830233000	US $38.39
5	5 54630029000 Hex.nut l/sh m18x1,5 2011	54630029000	US $9.13
6	6 58132072000 Lock washer vsk 18 2011	58132072000	US $1.09
7	7 55430016000 Distance Sleeve 2011	55430016000	US $17.19
8	8 0760385273 Shaft seal ring 38x52x7btsl 2011	0760385273	US $19.77
9	9 0770250015 O-ring 25,00x1,50 nbr 70 2011	0770250015	US $0.24
10	10 0625623204 Ball bearing 32x65x17 ntn 2011	0625623204	US $56.02
11	11 6946005 Woodruff Key 5X6,5 Harded 2011	6946005	US $0.92
12	12 55430118100 Crankshaft Exc 2011	55430118100	US $587.81
13	13 0888030050 Woodruff Key Din6888-3X5X13 2011	0888030050	US $0.85
14	14 54430034000 Needle bearing kbk 18x22x20 2011	54430034000	US $22.98
15	15 56530123200 Cylind.rol.bear. nj207et2xcs42 2011	56530123200	US $114.95
16	16 0760253570 Shaft seal ring 25x35x7 btsl 2011	0760253570	US $18.89
17	17 50230029012 Locking ring vsk 12 2011	50230029012	US $2.19
18	18 49030021000 Collar nut m12x1 r/s 2011	49030021000	US $10.57
19	19 54830015244 Con.rod Rep.set 250/300 As Required	54830015244	US $360.91
99	99 00050002301 Crankshaf Rep. Kit 250-300 As Required	00050002301	US $167.31

Crankshaft, Piston Diagram KTM 250 250 XC-W TPI US/EU 18084706-939631