Viper 150CC - Engine Oil Maintenance; Changing Engine Oil Procedure

11
Owner’s Manual
150CC VIPER 4-CYCLE ENGINE
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WARNING
IMPROPER MAINTENANCE, OR FAILURE TO CORRECT
A PROBLEM BEFORE OPERATION CAN CAUSE A
MALFUNCTION. ALWAYS FOLLOW THE INSPECTION AND
MAINTENANCE RECOMMENDATIONS AND SCHEDULES IN
THIS OPERATOR’S MANUAL.
CHECK ENGINE REGULARLY FOR LOOSE NUTS AND BOLTS.
KEEP THESE ITEMS TIGHTENED.
TEMPERATURE OF MUFFLER AND NEARBY AREAS MAY
EXCEED 150° F (65° C). AVOID THESE AREAS.
PREVENT ACCIDENTAL STARTING:
• ENGINE MUST BE TURNED OFF AND COOL.
• SPARK PLUG WIRE MUST BE REMOVED FROM SPARK
PLUG BEFORE CHECKING AND ADJUSTING ENGINE
OR EQUIPMENT.
FAILURE TO FOLLOW THESE WARNINGS CAN RESULT IN
SERIOUS INJURY OR DEATH.
WARNING
NEVER RUN YOUR ENGINE IN A POORLY VENTILATED AREA.
THE EXHAUST FROM ENGINE MAY CONTAIN POISONOUS
CARBON MONOXIDE. BREATHING IT WOULD CAUSE
SHOCK, UNCONSCIOUSNESS, AND EVEN DEATH.
CAUTION
ENGINE IS SHIPPED FROM FACTORY WITHOUT OIL. YOU
MUST ADD ENGINE OIL BEFORE STARTING ENGINE.
RUNNING ENGINE WITH A LOW OIL LEVEL WILL CAUSE
DAMAGE TO YOUR ENGINE. THIS TYPE OF DAMAGE IS NOT
COVERED UNDER WARRANTY.
WARNING
ENGINE OIL IS HAZARDOUS TO YOUR HEALTH. DISPOSE OF
OIL APPROPRIATELY. USE A SAFE DISPOSAL/RECYCLING
CENTER.
spark plug gap
FIGURE 4
OIL MAINTENANCE
After the rst 10 hours, or after the rst month of operating
a new Viper® Engine the oil should be replaced, and every 30
hours of operating time thereafter. The oil should be changed
every 10 hours if used under severe conditions, such as in
high temperatures or under heavy loads, otherwise changed
weekly. Check oil periodically; do not overll.
CHANGING OIL
Be sure the engine is not operating and is located on a level
surface before checking or relling oil. Engine should be warm
for easy removal of oil.
1. Detach spark plug wire and move away from spark plug. If
the engine uses a battery, disconnect at negative terminal.
SEE FIGURE 4.
2. Remove dipstick and carefully tip the engine toward the
dipstick side to empty oil from oil ll area. Empty oil into
a suitable oil container and dispose of oil properly. SEE
FIGURE 2.
3. Tip engine back onto a level surface and ll with
appropriate oil to the top of the marking on the dipstick.
SEE FIGURE 2.
4. Reinsert dipstick and tighten. SEE FIGURE 2.