Originally Posted by twray
Seems unusual for one cylinder cam chain to run of the crankshaft and the other running of the counterbalance shaft. Seems some valve timing issues could result in gear wear from the counterbalance shaft and crankshaft relationship....
I suspect they wanted the slack side of the chain on the bottom. Look at some of the issues they had with the slack on the top with the oilheads. to do that one side must have reverse drive.