Those linkage parts are usually on eBay. Maybe someone will ship to Canada. Just be sure to check the pics to make sure it is in good shape.
You aren't the first one to not know it would do that, and you won't be the last.
Look for "linkage" not elbow.
This Kawasaki 39007-1229 ARM-SUSP,UNI TRAK fits the following models and components:
Kawasaki Motorcycle 2002 KDX220R - KDX220-A9 Rear suspension
Kawasaki Motorcycle 2001 KDX220R - KDX220-A8 Rear suspension
Kawasaki Motorcycle 2002 KDX200 - KDX200-H8 Rear suspension
Kawasaki Motorcycle 2001 KDX200 - KDX200-H7 Rear suspension
Kawasaki Motorcycle 2000 KDX200 - KDX200-H6 Rear suspension
Kawasaki Motorcycle 1996 KDX200 - KDX200-H2 Rear suspension
Kawasaki Motorcycle 1998 KDX220R - KDX220-A5 Rear suspension
Kawasaki Motorcycle 1998 KDX200 - KDX200-H4 Rear suspension
Kawasaki Motorcycle 1997 KDX200 - KDX200-H3 Rear suspension
Kawasaki Motorcycle 1997 KDX220R - KDX220-A4 Rear suspension
Kawasaki Motorcycle 2004 KDX220R - KDX220-A11 Rear suspension
Kawasaki Motorcycle 1995 KDX200 - KDX200-H1 Rear suspension
Kawasaki Motorcycle 2005 KDX220R - KDX220-A12 Rear suspension
Kawasaki Motorcycle 1999 KDX200 - KDX200-H5 Rear suspension
Kawasaki Motorcycle 2000 KDX220R - KDX220-A7 Rear suspension
Kawasaki Motorcycle 2004 KDX200 - KDX200-H10 Rear suspension
Kawasaki Motorcycle 2003 KDX200 - KDX200-H9 Rear suspension
Kawasaki Motorcycle 2006 KDX200 - KDX200H6F Rear suspension
Kawasaki Motorcycle 1999 KDX220R - KDX220-A6 Rear suspension
Kawasaki Motorcycle 2003 KDX220R - KDX220-A10 Rear suspension
Kawasaki Motorcycle 2005 KDX200 - KDX200-H11 Rear suspension