Honda C90 - cam chain & cam chain tensioner Chains tend to 'stretch' in use because material wears away from the bushings and pins, increasing the clearance between the parts and causing the chain to elongate. So when Honda replaced the Super Cub push-rod engines with a new overhead cam model that used a chain to drive the mechanism they needed a... Chains tend to 'stretch' in use because material wears away from the bushings and pins, increasing the clearance... 28-Apr C90 Engine
Honda C90 - cam chain & cam chain tensioner Chains tend to 'stretch' in use because material wears away from the bushings and pins, increasing the clearance between the parts and causing the chain to elongate. So when Honda replaced the Super Cub push-rod engines with a new overhead cam model that used a chain to drive the mechanism they needed a... Chains tend to 'stretch' in use because material wears away from the bushings and pins, increasing the clearance... 28-Apr C90 Engine
