Chapter 4 80cc DERBI ENGINE €3 METRAKIT by XTREME PROJECTS (XPR)
Chapter 4 is here from @xtremeprojects_! Today he'll talk about how to prepare the crankcase to get the most out of it!
Don't tell me this isn't some awesome stuff DAVID from @xtremeprojects_ has prepared for us! #derbi #am6
#80cc #100cc #30hp #40hp #metrakit #2stroke
#2tiempps #2tracing #malossi #2fast #bidalot