z-Start Pro 04 YFZ450 ATV RMS-874
########
Quantity Part # Description Added/Changed
1 710-202 YZ450F z-Start Pro Pressure Plate Assembly
1 465-653A 0.065 zSP RMS Y450 Precision Drive Plate - labeled "for adjustment only"
1 482-103 7x7 4Mil Open End Bag
1 730-003 z-Start Pro Y450 Measured Drive Plate Stack 2007-01-29 ECN 64
1 175-007D zSP YZ450F Center Clutch 2007-11-14 ECN 113
1 482-004 8x8 4Mil Reclosable Bag
1 419-012B Center Clutch Retaining Ring 2008-08-28 ECN 147
1 482-003 6x6 4Mil Reclosable Bag
1 741-716 7/16" Steel Ball Kit (27)
1 740-201 Hardware Kit, z-Start Pro Clutch Assemblies
1 115-000B zSP YZ450F TO Spacer
1 115-003A z-Start Pro C150 Spring Carrier
1 482-001 2x3 4Mil Reclosable Bag
1 414-139 19 mm Multiple Ext. Tab Lock Washer
1 482-001 2x3 4Mil Reclosable Bag
1 482-003 6x6 4Mil Reclosable Bag
1 441-423 C200L4 Wave Spring - labeled "C200L4" 
1 482-002 3x4 4Mil Reclosable Bag
1 441-419 1.5" Wave Spring - C150-L4 - Recommended - labeled "C150L4"
1 482-002 3x4 4Mil Reclosable Bag
1 441-420 1.5" Wave Spring - C150-M3 SS - labeled "C150M3"
1 482-002 3x4 4Mil Reclosable Bag
1 420-272 YZ&WR 450F 0.060 Gasket
1 191-800 Manual
1 192-290 Safety Warning
1 193-292 Break-in and Maintenance
1 193-295 z-Start Pro ATV Tuning Guide 
1 198-874 Set-Up Chart z-Start Pro - 04-07 YFZ450F
1 481-107 White Logo Clutch Box - Deep  14 x 8 5/8 x 2 1/2 2007-04-09 ECN #83
1 481-105 Box Insert
710-202 YZ450F z-Start Pro Pressure Plate Assembly
1 717-100C z-Start Pro Rotating Hub Assembly - Open Class Bikes - spacing washer - spring steel 2009-10-08 ECN 166
1 106-002B zSP 450 class Top Plate 2007-05-17 ECN 90
1 111-025 zSP  YZ450F Pressure Plate
2 411-126A M4 x 12 Torx Head Screws 2007-05-11
1 482-004 8x8 4Mil Reclosable Bag
717-100C   z-Start Pro Rotating Hub Assembly - Open Class Bikes - spacing washer - spring steel
1 126-100E zSP 450 class Rotating Hub - 1-piece 2008-07-29 ECN 141
1 131-001D Z-Start Pro Upper Thrust - No Pins - spring steel 2009-10-08 ECN 166
1 132-001A zSP Lower Thrust - spring steel   2009-10-08 ECN 166
1 419-013 Lower Assembly Retaining Ring
1 433-312 INA TC 3648 Needle Thrust Bearing
1 417-651B 450 Class 0.078" Belleville Spacing Washer 2009-10-08 ECN 166
2 444-001 zSP 450 Class Belleville (302 - 339)
Note for 730-003 Assembly Below:                                                                                                                          Goal = measure 8 drive plates that are 0.380+-.004"                                                                                                    Start with 8 - 0.048s and exchange 0.040's till spec is met
730-003   z-Start Pro Y450 Measured Drive Plate Stack 2007-01-29 ECN 64
1[1] 465-403A 0.040 zSP RMS Y450 Precision Drive Plate
8[2] 465-483A 0.048 zSP RMS Y450 Precision Drive Plate
741-716 7/16" Steel Ball Kit (27)
27 431-310 7/16 Chrome Steel Ball Bearings
1 482-001 2x3 4Mil Reclosable Bag
740-201 Hardware Kit, z-Start Pro Clutch Assemblies
10 411-126A M4 x 12 Torx Head Screws 2007-05-11
1 411-904 T-20 Torx Bit
2 491-009 0.050 Wire Gauge - S shaped
1 491-001 Loctite 243 .02 fl oz
1 482-002 3x4 4Mil Reclosable Bag

[1]
Process:
8 drive plates:
Max = .384"
Min =  .376

If 8 plates are over the max, exchange one for a 465-401
If 8 plates are under the min, exchange thinnest with a thicker
and re-measure
[2]
Process:
8 drive plates:
Max = .384"
Min = .376

If 8 plates are over the max, exchange one for a 465-401
If 8 plates are under the min, exchange thinnest with a thicker
and re-measure