Those engines are full of chains, hopefully you don't need to dig inside it too often.
You got your chain drive starter motor, your chain drive counter-balancer shafts, your valve drive chain and your primary drive chain, then you got your regular old chain to the rear wheel. Not sure I would call that a simple engine design.
You got your chain drive starter motor, your chain drive counter-balancer shafts, your valve drive chain and your primary drive chain, then you got your regular old chain to the rear wheel. Not sure I would call that a simple engine design.