Engine Pings or Knocks

TROUBLESHOOTING

 

 

 

Possible Cause

Solution

 

 

Poor quality or low octane fuel

Replace with recommended fuel

Incorrect ignition timing

See your dealer

Incorrect spark plug gap or heat range

Set gap to specs or replace plugs

Engine Runs Irregularly, Stalls or Misfires

 

 

Possible Cause

Solution

 

 

Fouled or defective spark plugs

Inspect, clean and/or replace spark plugs

Worn or defective spark plug wires

See your dealer

Incorrect spark plug gap or heat range

Set gap to specs or replace plugs

Loose ignition connections

Check all connections and tighten

Water present in fuel

Replace with new fuel

Low battery voltage

Recharge battery to 12.8 VDC

Kinked or plugged fuel tank vent line or

Inspect and replace

filter

 

Kinked idle air control lines

Inspect; rotate lines to remove kink

Incorrect fuel

Replace with recommended fuel

Clogged air filter

Inspect and clean or replace

Other mechanical failure

See your dealer

Possible Lean Fuel Cause

Solution

 

 

Low or contaminated fuel

Add or change fuel, clean the fuel system

Low octane fuel

Replace with recommended fuel

Clogged fuel filter

See your dealer

Low fuel pressure

See your dealer

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Polaris RZR XP 900, RZR XP 4 900 owner manual Engine Pings or Knocks, Engine Runs Irregularly, Stalls or Misfires

RZR XP 900, RZR XP 4 900 specifications

The Polaris RZR XP 900 and RZR XP 4 900 stand out as powerful and versatile off-road vehicles, designed for those who crave adventure and exploration. These machines are engineered for performance, comfort, and durability, making them ideal for rough terrains and demanding environments.

The RZR XP 900 features a robust 875cc, four-stroke, twin-cylinder engine that delivers an impressive 88 horsepower. This powertrain ensures quick acceleration and nimble handling, even in challenging conditions. On the other hand, the RZR XP 4 900, an extension of the XP 900, features the same engine but is designed to accommodate up to four passengers, making it perfect for family outings or group adventures.

One of the standout features of both models is their exceptional suspension systems. They are equipped with a Walker Evans Racing suspension that offers up to 12 inches of front and 12.2 inches of rear travel, allowing them to absorb bumps and obstacles with ease. This capability provides a smooth ride, whether you’re navigating rocky trails or racing through muddy fields.

Additionally, the RZR XP 900 and XP 4 900 come with a versatile chassis that features a low center of gravity. This design enhances stability and control, particularly during tight turns or high-speed maneuvers. Both models also boast a ground clearance of 12 inches, further enhancing their capability to tackle rough terrains without getting stuck.

In terms of technology, these RZR models incorporate advanced features that enhance the overall driving experience. The Electronic Fuel Injection (EFI) system ensures optimal performance across varying altitudes and temperatures. The selectable 4WD system provides flexibility between two-wheel and four-wheel drive, allowing drivers to adapt to changing conditions quickly.

For safety, the RZR XP series includes a robust roll cage and safety harnesses, ensuring that passengers remain secure during their adventures. The vehicle's wide stance further contributes to stability, reducing the likelihood of tipping over.

Both the RZR XP 900 and XP 4 900 are equipped for customization, with a range of accessories available to outfit them for specific activities, from hunting to camping. These vehicles offer a unique blend of power, comfort, and versatility, making them ideal for adrenaline seekers and outdoor enthusiasts alike. Whether cruising through rugged trails or embarking on weekend adventures, the Polaris RZR XP series promises an exhilarating ride that won’t be forgotten.