Difficulties in parts search?

Parts list

Difficulties in parts search?

	Description	OEM Part #	Price
1	1 55630107000I Piston Cpl. Size 1 D=71,925 2016	55630107000I	US $295.89
1	1 55630107000II Piston Cpl. Size 2 D=71,935 2016	55630107000II	US $304.96
2	2 54830132000 R-ring 72,0mm 300 2004 2004	54830132000	US $43.84
3	3 54830074000 Snap Ring 18X1,5 2004	54830074000	US $0.82
4	4 54830233000 Piston Pin 2004	54830233000	US $38.39
5	5 54630029000 Hex.nut l/sh m18x1,5 2004	54630029000	US $9.13
6	6 58132072000 Lock washer vsk 18 2004	58132072000	US $1.09
7	7 55430016000 Distance Sleeve 2004	55430016000	US $17.19
8	8 0760385273 Shaft seal ring 38x52x7btsl 2004	0760385273	US $19.77
9	9 0770250015 O-ring 25,00x1,50 nbr 70 2004	0770250015	US $0.24
10	10 0625623204 Ball bearing 32x65x17 ntn 2004	0625623204	US $56.02
11	11 6946005 Woodruff Key 5X6,5 Harded 2004	6946005	US $0.92
12	12 55430118100 Crankshaft Exc 2004	55430118100	US $587.81
13	13 0888030050 Woodruff Key Din6888-3X5X13 2004	0888030050	US $2.60
14	14 54430034000 Needle bearing kbk 18x22x20 2004	54430034000	US $22.98
15	15 56530123200 Cylind.rol.bear. nj207et2xcs42 2004	56530123200	US $114.95
16	16 0760253570 Shaft seal ring 25x35x7 btsl 2004	0760253570	US $18.89
17	17 50230029012 Locking ring vsk 12 2004	50230029012	US $2.19
18	18 49030021000 Collar nut m12x1 r/s 2004	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 300 300 XC-W US/EU 18087660-939773