Alright guys, it's time to let us know what you think. We are just a few weeks away from launching the Four Stroke Dirt Bike Engine Building print book and we need to decide on a cover. Which should it be?
The winner will be announced in 5 days, so keep your eyes peeled. We can't wait to have this awesome resource available as a print book for all you motorheads, and we want your input. Select your favorite cover by clicking below.
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