Originally Posted by dameetz
Ijust bought the Peak Diablo version of this engine but haven't run it yet, i will when my RRR evo arrived . My question is, the crankshaft has a little bit of play around the bearing(you can move it lateraly or vertically), is this normal? From what i ve experience with other engine,this looks like sign of worn crankshaft bearing.
The lateral play is very normal and a little vertical can also be felt. It will be ok once you install the flywheel and make it tight.
Nano