cobaltblue
Junior Member
- Joined
- Jul 15, 2012
- Posts
- 8
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In the process of looking at a used cobalt engine that I can purchase and rebuild. Almost every engine says with or without AIR check valve. What is this for and how do I know which one I need?
![Huh :huh: :huh:](/styles/default/xenforo/smilies/huh.gif)
![Huh :huh: :huh:](/styles/default/xenforo/smilies/huh.gif)
![Huh :huh: :huh:](/styles/default/xenforo/smilies/huh.gif)
![Huh :huh: :huh:](/styles/default/xenforo/smilies/huh.gif)
![Huh :huh: :huh:](/styles/default/xenforo/smilies/huh.gif)
![Huh :huh: :huh:](/styles/default/xenforo/smilies/huh.gif)