Replacing the Fuel Hose on a 2017 Can-Am Outlander MAX 650 XT

Shop parts for a 2017 Can-Am Outlander MAX 650 XT ATV.

Half of this job is shopping correctly. Show up with the wrong hose or the wrong clamps and you will be halfway into a 2017 Outlander MAX 650 XT with the tank exposed and no way to finish. Because this machine is fuel injected, with a pump inside the tank feeding the Rotax V–twin through a pressurized line, the parts you choose have to handle more than gravity–fed pressure. There is no petcock in the circuit to close, either, which changes what tools you need on the bench.

Building the Right Parts and Tool List

Have all of this ready before the seat comes off:

  • Hose rated for fuel injection pressure, matched to the original inside diameter and wall thickness
  • New clamps sized to the fittings, plus a clip pick if spring clamps are used
  • Line–clamping pliers, which take the place of the fuel valve this model lacks
  • Nitrile or rubber gloves and eye protection
  • A sealed container approved for gasoline, a catch pan, and a generous stack of rags
  • Sockets and screwdrivers for the seat, side plastics, and any tank strap hardware
  • A sharp razor or hose cutter for a clean square cut

Cut hose ends square, not at an angle. An angled cut seats unevenly on a barb and leaves a weak spot for pressurized fuel to work at. A hose cutter or a fresh blade against a flat surface gives you the clean edge you want.

Working Safely Around Gasoline

Ventilation deserves real attention on this job. Gasoline vapor is heavier than air and settles at floor level, exactly where you kneel to reach the hose. Roll the machine outside if you can, or open the garage door completely and set a fan low to sweep air out along the ground. Clear the space of ignition sources: unplug chargers, keep grinders and torches away, and be aware of any appliance running a standing pilot flame. Keep a dry chemical extinguisher within reach for the duration.

Wear the gloves throughout. Beyond keeping fuel off your skin, they give you grip on a slick fitting, and on a pressurized system a joint can spit when it releases. Take drained fuel and soaked rags outside rather than leaving them in a closed shop.

Why the Old Line Failed

Fuel hose ages from both surfaces. Outside, the plasticizers that keep rubber flexible slowly leave, and the heat cycling of the V–twin accelerates that loss until the hose is stiff enough to crack when flexed. Dry climate conditions push it along further by drawing moisture out of the hose wall throughout the year.

Inside, ethanol–blended fuel does the damage, particularly when a MAX 650 XT sits for a season with fuel in the system. The blend absorbs moisture, and over time that attacks the liner while leaving gum and varnish in the passages. The frustrating part is that internal breakdown gives no external clue, so a hose that photographs well can still be feeding debris toward the injectors on a machine of this age.

Symptoms That Bring Riders to This Job

Most owners arrive here after noticing one of the following:

  • Gasoline pooling beneath the machine or a dark stain where it has been parked
  • A fuel smell hanging around the rear of the quad, most obvious right after shutdown
  • Surface cracking, chalky discoloration, or a hose section that feels hard rather than resilient
  • Bogging under throttle, a lean stumble at higher rpm, or behavior mimicking an empty tank
  • A dust ring at a fitting, which is what dried fuel seepage leaves behind

Since the line runs under pressure, a small breach can mist and evaporate without ever forming a puddle, so trust a fuel odor even with a dry floor.

Getting the Old Hose Off the Machine

Start by removing the fuel pump fuse or relay, then crank the engine for a second or two until it stalls and the line loses its pressure. Switch the key off and disconnect the negative battery cable. Pull the seat and side panels so you can see the full run from the tank fitting to the throttle body, slide the catch pan beneath, and put a rag over the first joint you open.

Move the clamps well back along the hose before disturbing anything. Where the XT uses a locking quick–connect, squeeze both tabs with even pressure and pull straight off along the fitting axis rather than prying sideways, since aged plastic collars break easily. If the hose has varnished onto a barb, twist gently to break the bond, and slit it lengthwise with a blade if it still holds. Photograph the routing before it is out: this 4x4 chassis puts front differential hardware and extra frame structure in the neighborhood, and the original clips are what keep the hose clear of both.

Fitting Up and Proving the Repair

Cut the replacement to match the old hose length, then push each end fully onto its barb until it seats against the shoulder. Assemble dry — grease, oil, and silicone spray all give pressurized fuel a path past the seal, so none of them belong on a fuel fitting. Warm water is the only help a snug hose end should get. Set new clamps just behind the raised bead on each fitting and snug them evenly without cutting into the rubber. A self–locking quick–connect gets pushed until it clicks and then pulled to verify, with no clamp required.

Clip the hose back into its guides, reinstall the fuse, Reconnect the battery, and cycle the key on and off four or five times without cranking. Each cycle brings the line up to pressure, giving you a dry, quiet inspection of both joints. Wipe them and watch for beading, then start the V–twin and check once more at idle. Let it run several minutes before you trust the work.

One structural note about this platform: the fuel filter lives inside the tank as part of the pump assembly rather than inline on the visible hose. A new line resolves cracks, weeping, and fuel smell, but it will not clear a restricted filter screen. If your 2017 MAX 650 XT still runs hungry after a leak–free installation, that in–tank module is the next place to look.

Related Shopping Categories

Shop Fuel Lines for a 2017 Can-Am Outlander MAX 650 XT ATV.

Shop Fuel Line Clamps for a 2017 Can-Am Outlander MAX 650 XT ATV.

Shop Petcocks for a 2017 Can-Am Outlander MAX 650 XT ATV.

Shop Fuel Filters for a 2017 Can-Am Outlander MAX 650 XT ATV.

Shop Fuel Stabilizer for a 2017 Can-Am Outlander MAX 650 XT 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.