Massimo 800ATV - Maintenance Schedules and Procedures

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Periodic maintenance chart for the emission control system

NOTE:

z For ATVs not equipped with an odometer or stopwatch, follow the month maintenance

intervals.

z For ATVs equipped with an odometer or stopwatch, follow the km (mi) or hours

maintenance intervals.

z However, keep in mind that if the ATV isn’t used for a long period of time, the month

maintenance intervals should be followed.

INITIAL EVERY

Month 1 3 6 6 12

(Mi)

320

(200)

1,200

(750)

2,400

(1,500)

2,400

(1,500)

4,800

(3,000)

ITEM ROUTINE

Whichever

Comes first

Hours 20 75 150 150 300

Valves★

z Check valve clearance.

z Adjust if necessary.

○ ○ ○ ○

Spark plug

z Check condition.

z Adjust gap and clean.

z Replace if necessary.

○ ○ ○ ○ ○

Air filter element

z Clean.

z Replace if necessary.

Every 20-40 hours

(More often in wet or dusty areas.)

Crankcase

breather system★

z Check breather hose for cracks or damage.

z Replace if necessary.

○ ○ ○

Exhaust system★

z Check for leakage.

z Tighten if necessary.

z Replace gasket(s) if necessary.

○ ○ ○

Spark arrester

z Clean.

○ ○ ○

Sensor

z Clean.

To clean for each 500km（312ml）

Fuel line★

z Check fuel hose for cracks or damage.

z Replace if necessary.

○ ○ ○

Engine oil

z Replace (Warm engine before draining.)

○ ○ ○ ○

EFI

z Use EFI diagnostic apparatus for inspection

○ ○ ○ ○

catalyzer

z Check the exhaust

z Replace the muffler if necessary

○ ○

oil filter

z clean

z replace it if necessary

○ ○ ○ ○ ○

8-3

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Massimo 800ATV - Maintenance Schedules and Procedures

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