Swapping the Fuel Line on a 2009 Can-Am Outlander 800R

Shop parts for a 2009 Can-Am Outlander 800R ATV.

The Signs You Should Not Ride Past

Most fuel line failures on a 2009 Outlander 800R telegraph themselves for weeks. The trick is recognizing what you are looking at instead of blaming the plugs or the air filter. Start with your nose: a raw gasoline smell hanging around the machine after a ride, particularly in the first ten minutes after shutdown, is the single most reliable early warning on an injected quad. Pressure stays trapped in the circuit after the key comes off, so a hose that seals under no load will still push vapor past a compromised spot while you walk away from it.

From there, look for a wet patch or a dirt-crusted ring where fuel has repeatedly seeped and dried at a fitting. Run your fingers along the full length of the hose. Rubber that feels stiff, chalky, or glassy has already lost its flexibility, and the fine cracking you see on the surface usually extends deeper than it appears. On the running side, watch for a bog when you crack the throttle, a lean-feeling stumble on a long climb, or the engine acting starved for fuel with plenty of gas in the tank. On the 800R that last symptom is easy to misread as an ignition issue.

What Actually Feeds This Rotax Twin

The 2009 model brought the 800R Rotax V-twin, and like the engine it replaced it runs electronic fuel injection. That means no petcock. Nothing under the tank turns fuel off, and an electric pump submerged inside the tank keeps the line to the throttle bodies pressurized. You relieve that pressure deliberately before touching a fitting, or the system relieves it for you across the workbench.

Drive configuration is worth a moment as well. The 800R is a 4x4 with selectable two-wheel drive, and the front differential plus its supporting frame structure narrows the working space at the front of the engine bay. The hose route uses additional clips and clearance points that a two-wheel-drive machine would not need, so plan on tracing the run carefully rather than assuming a straight shot.

Why Rubber Fails on a Machine This Age

Fuel hose degrades on two fronts at once. Externally, the plasticizers that keep the wall soft slowly leave the rubber, and heat cycling from the V-twin speeds that departure. Dry climates make it worse, since low ambient humidity draws moisture out of the hose and hardens it from the outside in. A quad that has spent fifteen summers in high desert country will show brittleness that an identical machine in a humid region has not reached yet.

Internally, ethanol-blended fuel does the damage. E10 pulls water into the system and slowly breaks down the hose liner, and any stretch where the 800R sat unused with fuel in it accelerates gumming and softening. The result is a line hardening on the outside while shedding material on the inside, which is exactly why age matters more than appearance. A hose that photographs fine can still be feeding debris toward your injectors.

Gear Up and Ventilate

  • Rubber or nitrile gloves, because gasoline defats skin quickly
  • A fuel-rated container and a shallow drain pan positioned under the work area
  • Replacement line rated for injection pressure in the correct inside diameter, not generic low-pressure hose
  • New clamps matched to the fittings on your machine, and a quick-disconnect release tool if the pump module uses a locking coupler
  • Line-clamping pliers, which take the place of the petcock this model does not have
  • Sockets and drivers for the seat and body panels, a razor blade, and plenty of clean rags

Do this job outdoors or with the overhead door wide open. Gasoline vapor sinks and pools at floor level, so ventilation low in the space is what protects you, not an open window above your head. Move space heaters, grinders, and hot work lights out of the area entirely, and keep an extinguisher beside you rather than on a far wall.

Removing the Old Line

Bleed off pressure before anything else. Pull the fuel pump fuse, crank briefly until the engine dies or will not catch, turn the key off, and disconnect the negative battery terminal. Take off the seat and the side panels so the tank and the hose heading toward the throttle bodies are both fully visible.

Slide your pan underneath and lay a rag over the fitting you plan to open first. Residual fuel remains in the hose regardless of how thoroughly you depressurized. Work worm-gear or spring clamps back along the hose before disturbing the joint. Quick-connect couplers release by pressing their locking tabs evenly and pulling straight back — prying at an angle cracks collars that have gone brittle with age. When varnish has bonded the hose to a barb, a gentle twist usually breaks it free, and if not, split the hose lengthwise and peel it off instead of forcing it. Note the routing as you go, especially where the line passes near the front driveline, and take photos before the last clip comes off.

Installing and Verifying

Match the new hose to the original length. Anything longer will rub a frame tube or wander toward the exhaust. Seat each end completely onto its barb, dry, with no grease or lubricant of any kind on the sealing surface. A lubricated barb gives pressurized fuel a path to escape, and dipping the hose end briefly in hot water is all the help you should need to get it on.

Place new clamps just behind the raised bead at each fitting and snug them evenly. If your 800R uses a self-locking quick-connect at the tank, push it until it clicks and pull firmly to confirm the latch engaged. Do not add a clamp to that style of fitting. Reseat the hose in every factory clip so it stays clear of moving driveline components.

Reinstall the fuse, Reconnect the battery, and cycle the key on and off several times without starting. Each cycle pressurizes the circuit while the joints are still dry, making the first hint of seepage easy to spot. Inspect both connections with a light, then fire the engine and check once more at idle before replacing the plastics. Keep in mind that the fuel filter on this injected platform sits inside the tank with the pump assembly rather than inline on the hose, so if delivery still feels weak after a leak-free install, that module is where to look next.

Related Shopping Categories

Shop Fuel Lines for a 2009 Can-Am Outlander 800R ATV.

Shop Fuel Line Clamps for a 2009 Can-Am Outlander 800R ATV.

Shop Petcocks for a 2009 Can-Am Outlander 800R ATV.

Shop Fuel Filters for a 2009 Can-Am Outlander 800R ATV.

Shop Fuel Stabilizer for a 2009 Can-Am Outlander 800R ATV.

Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your ATV's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.