The building instructions for the 2H2010 LEGO Technic sets, is now available for download at lego.com.
Below you have the direct links to download the several instruction PDF files from each model.
In addition to the several review sources you will find online, these may become valuable resources to support your decision to buy or not buy, each new set.
- 8051, Motorbike
Meanwhile also the B-model instructions become available, and thus I've updated the respective post.
- 8043, Motorized Excavator
Book 1/3 (original version)
Book 1/3 (modified version, with corrections)