CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 2 -
3.1 Scheduled Maintenance
3.1.1General information
Warning
● Always make sure it is well-ventilated around before the engine starts. Never start the engine in an
enclosed area. Gasoline powered engine exhaust fumes are poisonous and can cause loss of
consciousness and death.
Do not smoke or allow open flames or sparks in or near the area where refueling is performed or
where gasoline is stored.
Specifications
Valve gap: IN:0.04-0.06mm
Throttle free play:2-6mm EX: 0.04-0.06mm
Spark plug gap:0.6-0.7mm
Idling speed:1900±190rpm
Spark plug type: NGK:C7HSA Engine oil quantity:
LD: A7TC Normal range:0.8L
3.1.2 Air Filter
Filter Replacement
Remove air filter cap fix screw and remove
air filter cap.
Check filter for dirt or damage.
Replace as necessary.
Do not attempt to clean the filter element.
Replacing Frequency
More frequency replacement is required if
vehicle is driven on dusty roads or in rain.
Make sure Air Filter Cover is securely in
place.
3.1.3Spark plug
Remove spark plug.
Check spark plug for burning, dirt or deposit.
Clean it with a spark-plug cleaner or steel
brush in case of dirt or carbon deposit.
To Next Page
Loading...
Need help?
General
