MAINTENANCE SCHEDULE (regular)

 every 300 miles (500 kilometers)

 tire pressure

 check chain tension adjustment

 lighting system

 brake play adjustment

 every 600 miles (1,000 kilometers)

chain: clean and lubricate

 engine idling speed adjustment

 control cables lubrication

 every 900 miles (1,500 kilometers)

check gearbox oil level and replenish if needed

 replace spark plug

 check and tighten all screws, bolts and nuts

 clean carburetor