motorcycle mechanic check motorcycl chain for wear and stretch and use gear oil to lube chain maintenance and repair motorcycle

motorcycle chain rust safely drive motorcycledriving belt shaft driven motorcycles drivetrain road maintain dirt debris water salt humidity transportation wheel metal engine motor motorbike bike gear mechanic speed vehicle chrome equipment machine sprocket ride service shiny transport auto repairing biker motorsport technology work tool spray engineering technician check motorcycl wear stretch use oil lube maintenance repair concept concept