Viper 163cc - Fluid Checks and Safety; Fuel Handling Safety Warning

Operator’s Manual
Viper® 163cc 4-Cycle Engine
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CHECKING AND ADDING OIL
Be sure the engine is located on a level surface before checking
or relling oil.
1. Clean around oil ll area. SEE FIGURE 1.
2. Slide out dipstick and wipe clean with cloth. SEE FIGURE 1.
3. Reinsert and tighten dipstick.
4. Slide out dipstick and check oil.
5. If oil level is below the marking on the oil dipstick, rell to
upper level. SEE FIGURE 1.
6. Change oil if contaminated.
CHECKING AND FILLING FUEL TANK
Be sure the engine is located on a level surface before checking
or refilling fuel. Use unleaded regular, unleaded premium
automotive fuels only. Commercial fuel may contain up to
10% ethanol. Ethanol additives to fuel are known to cause
deterioration of fuel lines and other fuel components. Viper®
recommends the addition of fuel stabilizer to protect your
engine’s fuel system and prolong the life of your engine. DO
NOT mix oil with fuel.
1. Make sure engine is cool and not running while lling.
2. Remove fuel cap.
3. Fill tank to fuel level limit. SEE FIGURE 2.
Note: Do not overll. Leave room for oil expansion.
4. Replace cap and remove any spilled fuel before operating.
WARNING
FUEL IS HIGHLY FLAMMABLE AND MUST BE HANDLED
WITH CARE. NEVER FILL THE TANK WHEN THE ENGINE
IS HOT OR RUNNING. ALWAYS MOVE OUTDOORS TO
FILL THE TANK.
upper level
lower level
Figure 1
dipstick
Figure 2
fuel level limit
oil ll area
fuel cap