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How to Handle the Four Most Common Road Emergencies

Use a hose with a bulb so you won’t have to siphon by mouth.

Use a hose with a bulb so you won’t have to siphon by mouth.

Bill Stermer
May 13, 2011
Filed under Motorcycle Features: Bikes, Blokes, Culture and Beyond

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You’re on a sport-touring journey and suddenly your bike has a problem. You’re dead in the water. What to do? Fortunately, the four most common road emergencies can usually be prevented by regular inspection and maintenance, but here’s what to do when that doesn’t work.

Out of Gas

Run out of gas on tour and you’ll need a donor bike and a transfer device. To siphon, the fuel level in the donor bike must be higher than the level it will reach in the recipient bike; place the donor bike on a curb or rise. Carry a siphon hose, at least three feet of flexible, transparent hose that is easy to coil and stow under a seat or in a fairing pocket. Get one with a squeeze bulb and you won’t need to undergo the potentially disgusting ritual of siphoning raw gas with your mouth.

To avoid mouth siphoning immerse the hose deep into the donor bike’s fuel supply, cap the other end with your thumb and begin to slowly draw out the hose and lower it into the recipient bike’s fuel tank. Remove your thumb once the level of fuel in the hose drops below the top level of the fuel in the donor bike (that’s why a transparent hose is best), and the fuel will begin to flow.

If this is not possible, drain fuel into whatever is handy, such as a beverage container, sidecover or tool tray by removing a fuel line and turning on the petcock. This may not be possible if the donor bike has a vacuum-flow system. Rinse the container thoroughly with gasoline, and be certain ol’ Jimbo ain’t lightin’ up during this procedure.

A tire patch kit should include both patches and plugs in case your buddy has a flat.

A tire patch kit should include both patches and plugs in case your buddy has a flat.

Tools: Siphon hose

Prevention: Check the gauge, dummy! Zero your bike’s trip odometer when you fill up, and it will show the elapsed mileage.

Flat Tire

Establish whether your bike has tube or tubeless tires. For the past 20 years or so, most bikes with cast wheels have carried tubeless tires, while most with wire spoke wheels have had tube-type. If it’s a tube-type, you’ll have to “break the bead,” pull the tire away from the wheel (pack tire irons) far enough to expose the puncture in the tube. This may mean removing the wheel from the bike. Roughen the area around the puncture with the tool supplied in the patch kit and apply cement. Wait momentarily till the glue becomes tacky, and apply the patch.

For a tubeless tire, it’s only necessary to remove the nail and insert the tool from the patch kit to enlarge and roughen the hole. Cover a plug with cement and insert. Cut off excess and add air. The three methods of doing so are with CO2 cartridges, an electrical pump that runs off the battery, and a hand pump.

Tools: Toolkit, tire patch kit, tire irons, air supply

Motor Oil.

Motor Oil.

Prevention: Inspect tire tread frequently for depth and foreign objects, and check pressure regularly. The last 10 percent of tire life results in 90 percent of the problems.

Low Oil

Suddenly the oil light comes on. You’re a quart low—oops! Rodney has a quart along, but your bike runs that expensive 20W-50 synthetic bike oil and his is 40W cheapo car oil. Can you mix them?

The answer is yes. Considering that the alternative is either serious engine damage or sending someone on a 100-mile goose chase, mixing will not harm the engine, though it will dilute the properties of the high-quality oil. Change oil and filter at your earliest convenience.

Tools: Rag, funnel, extra quart

Prevention: Check oil

Sudden Engine Stop, Reason Unknown

A sudden engine cutout usually boils down to fuel or electricity. Check fuel supply, check for a clogged gas cap vent (does opening the cap suddenly and temporarily “solve” the problem?) or fuel filter. If there’s fuel in the carburetor float bowl(s), the problem likely resides elsewhere.

Do you know where your bike’s fuse box is? Have you checked that it carries spare fuses? Do it—now!

Do you know where your bike’s fuse box is? Have you checked that it carries spare fuses? Do it—now!

Turn on the ignition and see if your bike has lights, horn and starter. If not, check that battery cables are tightly connected and clean. Is the battery properly topped up with distilled water? Spray WD-40 on the sparkplugs, wires and coils to displace any water.

If the lights and horn are strong, check fuses (know your bike’s fuse box location, and carry spares). With a clip lead and light, clip the lead to ground (a piece of bare metal on the engine) and place the point on either side of the fuse with the ignition on. If there’s power on both sides, the fuse is good.

If the starter cranks but the engine does not start, use the clip lead to establish if there is juice at the coils. If so, pull the spark plugs and establish if they’re sparking. If not, trace the wires back to the last place where there was electricity, then inspect upstream for bare wires or breaks. Listen and watch for obvious stray sparks. Wrap broken wire with tape to get you home.

Tools: Clip lead, electrical tape, fuses, WD-40

Prevention: Pray

And, of course, whenever you travel, carry a cell phone.

[From the November 2006 issue of Rider]

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