This Dayco 87X-17641-00 snowmobile is in decent shape as pictured, and fits most 1978-1990 Yamaha snowmobiles with the 1106 belt.
Snowmobile Parts
Yamaha Phazer SRV Enticer Exciter 87X-17641-00 Snowmobile Drive Belt 480 540 570
Yamaha Phazer SRV Enticer Exciter 87X-17641-00 Snowmobile Drive Belt 480 540 570