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Common Tread

Basic motorcycle maintenance checklist: Nine simple steps for a worry-free riding season

Mar 22, 2019

Before you tuck the kickstand up this spring, download our spiffy maintenance checklist and use it as a guide to give your bike a proper once-over. 

It doesn’t take long, and the peace of mind you’ll get knowing you personally checked your machine from tip to tail will pay you back tenfold. Trust me, an hour in the garage now beats an hour on the side of the road troubleshooting or waiting for AMA roadside assistance.

If you keep up with the motorcycle maintenance schedule in your service manual (the number-one tool in your garage) and you did your due diligence when putting your bike away for winter, you’ll breeze through this list. But if you’re like most of us (myself included), you did a bit better than the bare minimum, got cold, and made yourself a grilled cheese. So go ahead, roll your sleeves up, and get busy with all the things you'll need to get your motorcycle ready for spring.

Wash a motorcycle
Washing your motorcycle is a great way to start your pre-season inspection. As you clean each part, you’ll notice any looseness or wear, and removing grime will make it easy to spot the source of any leaks. RevZilla photo.

1. Walkaround

It sounds almost stupid... but when is the last time you looked over each part of your bike? Everything on a vehicle wears gradually, making even completely gacked components sometimes difficult to notice in daily operation. Simply clicking your mindset into “spot anything unusual” mode can reveal issues that require attention — before they turn into real, ride-halting problems. 

Look for leaks. Streaks of oil and dirt down fork lowers suggest failed fork seals. Drips under the bike must be investigated. Is that coolant? Oil? Fuel? Give it a sniff, then backtrack the source. If it’s been leaking for a while, you may have to de-gunk your bike’s nether regions to zero in on the origin.

CRF450L linkage
Your motorcycle might have a linkage like this attached to the rear shock. Is it due for some lubrication? Photo by Drew Ruiz.

Examine pivot points and moving parts for signs of wear or interference (kickstand pivots, swingarm and suspension linkages are almost universally neglected). Hit any zerk fittings with your grease gun until clean grease squeezes out the other end of the cavity, and note any bushings or bearings due for further investigation or replacement.

Turn the key. Test your lights and horn, and double check that your registration and insurance are current. Battery weak or dead? You’ll have to get the juice flowing again, then double back to check your signals.

Battery tender
A fused SAE lead and a battery maintainer pay for themselves in prolonged battery lifespan and time saved accessing battery terminals. If you don’t have one, install one. RevZilla photo.

2. Battery

If your battery’s been on a maintenance charger, it should be fully charged. If not, plug one in now. If the battery takes a full charge, that’s a good sign — but doesn’t guarantee it won’t crap out on you halfway through your first big ride of the season. 

Probing with a multimeter can give you a pretty good picture of your battery’s overall health (you want to see over 12.5 V DC at the terminals, key off), but the choice of champions is a battery tester that can test cranking amps against the number you punch in from the CCA rating stickered on the battery. If you only have a multimeter, you can perform a few other tests besides just checking standing voltage at the terminals.

Without any fancy meters at all, you should still be able to get a good gauge on whether or not your battery is beginning to bite the dust by how easily it cranks your engine over and its age. The manufacture date can also be found on the sticker, and if yours is pushing five years, you may want to start thinking about replacement. It’s better to replace a battery on your terms than to be at the mercy of a shop or dealership, and potentially adding the cost of a tow to the repair bill (ask me how I know).

Clean your terminals, then coat with dielectric grease to prevent corrosion. This is also a good time to open up your fuse box and inspect your fuses. Remember to check your spares, and tuck a few extra in there if there’s room. A blown fuse is just about the most facepalm-ingly frustrating reason to have to get a bike towed.

Check motorcycle tire tread
Plenty of life left in this Sportmax GPR300 tire. Check your tire’s wear indicators, and inspect the tire itself for excessive wear or damage. RevZilla photo.

3. Tires and wheels

The importance of tire condition cannot be overstated. We motorcyclists only get two (maybe three if you’re trikey), and the amount of trust required to lean into that first corner is tremendous. While age should be considered, it is by no means the only — and certainly not the most important — factor in determining a tire’s roadworthiness. 

Despite the prevailing paranoia of zealous date-code checkers, motorcycle tires have a longer life expectancy than you might think. Tire manufacturers consider five years to be the “sell by” date, anticipating years of service after that. So if you get a new tire and find it was made a year or two prior, remember it’s still got its whole life ahead of it. On a machine that is regularly ridden, you will probably never see a set die of old age. Still, you’ll want to take the manufacture date into account as you examine the rubber for dry rot, cracks, or excessive hardening from oxidation.

A motorcycle tire’s most honorable death is also its most common: wear. If your tire has wear indicators, it should be easy to spot if it’s time for replacement when the wear bar (set in a sipe or groove) becomes flush with the surface of the tire.  If you’re not sure, check remaining tread depth at the area of the tire that has seen the most wear (almost always the center). If you do need new tires, don’t forget fresh valve stems (or inner tubes) and balancing weights (if you plan to mount and balance yourself). Wheel weights can fall off — check that yours are in still in place. You’ll also want to check your wheel bearings, but first, you’ll need to get your wheels off the ground.

Bursig motorcycle lift
A Bursig lift can raise both wheels at once, making most maintenance jobs much easier. RevZilla photo.

If you aren’t already invested in a lift, jack, or Pit Bull-style front and rear stand, you might consider a Bursig lift for the job. For about the same cost as front and rear stands or a hydraulic motorcycle jack, you can get an all-in-one, space-saving tool that can not only lift your whole motorcycle off the garage floor, but also dolly it around securely by yourself.

Once you’ve elevated at least the front end of your motorcycle, you’re ready to begin. It is possible to detect badly worn wheel bearings without disassembly. First, grab each wheel firmly on each side and shake to check for excessive play (a dead giveaway your bearings are toast). If all feels tight, give each wheel a spin to check rolling resistance. Don’t expect the wheel to spin all day with the brake assembly still in place — pads drag lightly even when not engaged, and the chain, belt or shaft final drive produces additional drag at the rear wheel — but you should be able to tell by hand if the wheel rolls smoothly on its bearings or feels crunchy.

Motorcycle chain maintenance
Your chain needs periodic adjustment to provide the best performance. Start the season with a properly lubricated and adjusted drivetrain. RevZilla photo.

4. Final drive

As you rotate the rear wheel, pay attention to your drive chain or belt. (If you have a shafty and don’t know how old the gear oil is, now’s the time to change it!) First, look for any binding, seized links, or excessive chain and sprocket wear that would indicate it’s time for replacement. If all looks well, clean your chain with solvent and brush, then lubricate it. Check chain alignment with an alignment tool (don’t just trust the hatch marks on your axle blocks or swingarm, if you have them) and measure tension with a gauge. Your manual will provide specs for tension and wear, so you can measure to see if the chain needs to be replaced.

If you have belt drive, look for cracking, wear, or stray cords. If the belt looks glazed, or any teeth are chunked out, replace it. Drive belts last a long time, but you want to replace one long before it's hanging by a thread. Not only will a failed belt leave you stranded, but they have a habit of snapping under acceleration (think merging on to a highway in front of tractor-trailers).

If your belt passes visual inspection, refer to your service manual for the specs, and then check belt tension with a gauge. It is well worth the investment (and is much more civilized than hanging jogging weights off the belt with wire or zip ties and measuring deflection). After any necessary adjustment, spin the whole shooting match a few times and measure again. 

Motorcycle disc brake
To check rotor runout, a dial gauge is most accurate, but eye-crometers and your fingers do pretty well to pick up severe warping. RevZilla photo.

5. Brakes

You can check your brake pads with the tires on the ground, but it’s a little easier while your bike is still up in the air. Plus, by rotating your wheels, you can check your rotors for warping. You’ll also want feel the surface of the rotor for any scoring, and visually inspect for glazing. Don’t panic if you see some light surface rust. If your bike’s been sitting, this is completely normal and will go away as soon as the brakes are used, but I like to hit them with some brake cleaner just to make myself feel better.

Next, note how much meat you have left on the pads and ensure that they are wearing evenly. Measure the remaining depth of the pad material against the spec in your service manual to be sure they’re still safe to run. Trying to use up every last bit of a brake pad is a short-sighted strategy because you risk trashing your rotors if you wear down to the backing plate, or worse, you'll fail to stop.

Take a look at your brake lines, as well, for any signs of wear or age. Rubber brake lines don’t last that long, so even if your bike is only five or 10 years old, they might be ripe for retirement. New stainless steel lines will improve brake feel and control considerably. Brake fluid is even more commonly neglected than lines. Check your manual for a replacement interval for the fluid, but those who ride hard (track days?) or choose to follow aggressive maintenance schedules replace it about every other season or any time the fluid is overheated.

Motorcycle oil check
Be sure to check that oil, among other fluids. If you can’t remember when the oil in your motorcycle was last changed, it’s probably time. RevZilla photo.

6. Fluids

Brake juice isn’t the only often overlooked fluid to refresh. How old is your coolant? Fresh coolant should also be an every-other-season affair, although your machine’s maintenance intervals may differ (check the manual). A good flush with water, or even just a simple drain and fill will go a long way to preventing corrosion inside your cooling system. (Installing a fresh radiator cap at the same time is cheap insurance.)

Indian Scout Radiator
If your motorcycle is liquid-cooled, like this Indian, that's another system you should periodically maintain. Your motorcycle (and your wallet) will thank you in the long run. Photo by Barry Hathaway.

If you’re like me, you were due for an oil change at the end of last season, but the cold sapped your motivation and you traded your coveralls for pajamas. My Dyna’s due for a change in all three cases, so I’m looking at fresh motor oil and filter, primary fluid, and trans fluid before my first trip of the season. Even if you’re not quite at your recommended mileage interval, it never hurts to do it a little early so you’re good to go for the season. Speaking of time, you’ll want to take oil age into account as well as mileage. If you have multiple bikes, or just don’t rack up a lot of miles on your machine, it’s good to change the oil at least once a season so you know it’s been done and you don’t have old, contaminated oil in your cases. It’s important to note that lower mileage often equates to a lot of short rides, which means a lot of heat cycling to invite moisture condensation, and that’s what really breaks down oil. So take type of riding into account, as well, when deciding when to change your oil.

Oil filter change
Don’t just change the oil! Install a fresh oil filter too to keep your engine happy. RevZilla photo.

7. Filters

Always use a new oil filter, and make sure you stay on top of fuel filter and air filter recharging or replacement. My bike calls for air filter service at every oil change (5,000 miles), and fuel filter every 25,000 miles. Check your manual or a parts diagram; you may have another fuel screen in the petcock or fuel pump pickup that needs attention, as well. Also check if your exhaust uses fiberglass packing (cotton candy shooting out your exhaust tip is a dead giveaway your packing’s toast). This is not an off-road-only phenomenon, although intervals are typically much shorter for dirt bikes (a matter of hours, not miles, especially for two-strokes, where oil is a factor on top of heat). Repack the muffler whenever you recharge or replace the air filter. What goes in must come out, right?

Adjust motorcycle cable
Over time, a motorcycle’s cables can stretch. Pick up the slack by correctly adjusting your cables. If the cable is too stretched, it’s time for a new one. RevZilla photo.

8. Controls

Check your clutch and throttle for smooth operation and adjustment. Unstick your clutch and throttle cables with cable lube and this handy tool, and adjust your push and pull cables until you have a tiny bit of slack before the throttle begins to open, and it returns to idle position on its own. If your hard clutch pull or sticky throttle can’t be lubricated away or adjusted out, look for interference on the lever or throttle tube itself or binding from improper cable routing. If the cables are worn, replace them.

Sit on the bike and make sure your mirrors haven’t come loose. Turn the handlebar lock to lock and check for cable and wiring interference or strain, and feel for notchiness in the steering head bearings. Double check your shifter and brake pedal are indexed where you want them. You might’ve gotten used to a position that was less than ideal last season, so adjust now before you build up that muscle memory again. Whether you tweak anything or not, make sure both brake and shifter are tight (thread locker is my old friend). If you’ve never had a shift lever come loose and trash the spline shaft, consider yourself lucky (it is a very invasive, labor-intensive job sure to cost you an appendage at the dealer).

Aprilia Shiver swingarm
Giving your bike a once-over at the beginning of the season might save you some headaches later on. Photo by Kevin Wing.

9. Final check

Break out the torque wrench and hit all your critical fasteners: handlebar and triple clamps, axle bolts and adjusters, and motor mounts. Double check your oil and coolant levels. Run back through anything you disturbed during your inspection and verify you tightened everything back down. Grab a tire gauge and verify proper pressure. If you’ve had your battery charging while you checked over the rest of the bike, test your lights and horn now. Finally, fire it up and you’re ready for a shakedown run to the gas station for some fresh fuel! Remember to let your engine warm up before hammering down the road, and that your tires might still be cold and slick. 

There you have it. Now, as Spurgeon would say, "Enjoy the ride."