I have parting out 10 plus Yamaha SRX, SXR, SX, Viper and VMax chassis. I have had 500, 600, and 700 sleds, with standard 121 to 144" chassis lengths. I have most every part you will need, and multiples of many.
The sleds are already torn down not for sale whole.
Here is a list of some of what I have had:
1998 SRX 600
1997 V-Max 700
1997 Venture 700
1998 V-Max 700
1998 Venture 700
1999 Venture 600
2000 SX700R. 2x
2003 SX600R
2002 Viper - Blue
2002 Viper - Red
2003 Viper