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2015-2020 Yamaha MT-03 Maintenance Schedule and Service Intervals

Yamaha MT-03 cover image

This is the maintenance schedule and associated service intervals for the 2015-2020 Yamaha MT-03.

This means it applies to:

  • 2015 Yamaha MT-03
  • 2016 Yamaha MT-03
  • 2017 Yamaha MT-03
  • 2018 Yamaha MT-03
  • 2019 Yamaha MT-03
  • 2020 Yamaha MT-03 (the first year available in the US)

The MT-03 was refreshed in 2020, but the maintenance is the same as former years.

It’s very similar to the maintenance schedule for the R3, which shares the same engine and components.

Also, many Yamaha motorcycles use similar re-usables like oil and spark plugs.

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What you need to service the Yamaha MT-03

If you’re doing scheduled maintenance on an MT-03, you at least need

For the Yamaha MT-03, the manual recommends the following specific consumables.

Engine oilYamalube 10W-40 or 10W-50 as recommended by Yamaha. The manual suggests it and it’s affordable on Amazon with a solid 5-star rating. Other lubricants would do, but that’s your call. Don’t over-torque the bolt (spec is 20 Nm/15 lb-ft per the manual) — use a torque wrench if you don’t have experience with how much torque is enough.
Oil filterNeeds to be changed every time you change the oil. Either get a stock one (part 5GH-13440-50-00, used for many Yamaha products) or the K&N KN-204-1. Torque is 17 Nm/13 lb-ft.
Engine coolantYamaha recommends “Yamacool”, but use any coolant with a 50/50 mix of ethylene glycol and water. You can either use pre-mix or concentrate (for which you’d need demineralised water). I usually recommend this Valvoline 50/50 pre-mix.
Spark PlugsNGK/CR8E. This is what the manual and mechanics suggest. Make sure it’s gapped correctly to 0.7-0.8mm (get a gapping tool) and torqued to 18 Nm/13 lb-ft (new) or 13Nm/10 lb-ft (after checking).
Air filterYamaha part number 1WD-E4451-00. You can also get the K&N equivalent, YA-3215.
Brake padsI recommend EBC double hardened brake pads for extra life and better brake feel. For the R3 and MT-03 you need one set for the front (FA663HH) and rear (FA662HH).
Oil, filters, coolant, plugs, and brake pads for the YZF-R3 and MT-03

And the following general consumables are useful as well.

Brake fluidA DOT-4 lubricant is recommended. I recommend Castrol Dot 4 full synthetic — cost-effective and good.
Chain lubricantThe chain needs to be lubricated every 800 km/500 miles (or more, if it gets wet/dirty). Motul’s chain lube is good. Make sure you have the right applicator brush, and a rear stand, like this lightweight and well-priced Vortex race stand.
Clutch cable lubricantRemember to lubricate your clutch cable. Protect All Cable Life is a good general-purpose lubricant.
GreaseGet a good lithium soap based grease for lubricating major components like your side stand, centre stand, and bearings.
General motorcycle consumables — Brake fluid, chain lube, clutch lube, and grease

Yamaha MT-03 Maintenance Schedule

Below is the maintenance schedule for the Yamaha MT-03.

The maintenance for the Yamaha MT-03 is broken into two sections: periodic maintenance for emission control systems, and general maintenance and lubrication.

Note: The below is from the US 2020 MT-03 manual. The items are largely the same as in other markets, but the timing is different, with required intervals more spaced out.

Periodic Maintenance Emission Control System

TIP

  • From 19000 mi (31000 km) or 36 months, repeat the maintenance intervals starting from 7000 mi (11000 km) or 12 months.
  • Items marked with an asterisk (*) require special tools, data and skills, have a Yamaha dealer perform the service
x1000 mi0.647101316
x1000 km1611162126
No.Itemmonth1612182430
1*Fuel line•Check fuel hoses for cracks or damage
•Replace if necessary
2Spark plugs•Check condition
•Adjust gap and clean
•Replace every 7000 mi (11000 km) or 12 months and thereafter every 6000 mi (10000 km) or 12 months
ReplaceReplace
3*Valve clearance•Check and adjust valve clearance when engine is coldEvery 26600 mi (42000 km)
4*Crankcase breather system•Check breather hose for cracks or damage
•Replace if necessary
5*Fuel injection•Adjust synchronization
6*Exhaust system•Check for leakage
•Tighten if necessary
•Replace gasket(s) if necessary
7*Evaporative emission control system (for California only)•Check control system for damage
•Replace if necessary
8*Air induction system•Check the air cut-off valve and reed valve, and hose for damage
•Replace any damaged parts

General Maintenance and Lubrication Chart

x1000 mi0.647101316
x1000 km1611162126
No.Itemmonth1612182430
1*Diagnostic system check• Perform dynamic inspection using Yamaha diagnostic tool
• Check the error codes
2Air filter element• Replace.
3Air filter check hose• Clean
4*Clutch• Check operation.
• Adjust or replace cable.
5*Front brake• Check operation, fluid level, and
for fluid leakage.
• Replace brake pads if necessary.
6*Rear brake• Check operation, fluid level, and
for fluid leakage.
• Replace brake pads if necessary.
7*Brake hose• Check for cracks or damage.
• Check for correct routing and clamping
• Replace.Every 4 years
8*Brake fluid• Change.Every 2 years
9*Wheels• Check runout and for damage.
• Replace if necessary.
10*Tires• Check tread depth and for damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.
11*Wheel bearings• Check bearings for smooth operation.
• Replace if necessary.
12*Swingarm pivot bearings• Check bearing assemblies for looseness
• Moderately repack with lithium-soap-based grease
13Drive chain• Check chain slack, alignment and
condition.
• Adjust and lubricate chain with a
special O-ring chain lubricant
thoroughly.
Every 500 mi (800 km) and after washing the motorcycle, riding in the rain or riding in wet areas
14*Steering bearings• Check bearing assemblies for
looseness.
• Moderately repack with lithium-
soap-based grease
Repack
15*Chassis fasteners• Check all chassis fitting and fasteners.
• Correct if necessary.
16Brake lever pivot shaft• Apply silicone grease lightly
17Brake pedal pivot shaft• Apply lithium-soap-based grease lightly.
18Clutch lever pivot shaft• Apply lithium-soap-based grease lightly.
19Shift pedal pivots shaft• Apply lithium-soap-based grease lightly.
20Sidestand pivot• Check operation.
• Apply lithium-soap-based grease lightly.
21*Sidestand switch• Check operation and replace if necessary.
22*Front fork• Check operation and for oil leakage.
• Replace if necessary.
23*Shock absorber assembly• Check operation and for oil leakage.
• Replace if necessary.
24Engine oil• ChangeWhen the oil indicator flashes
• Check oil level and vehicle for oil leakage
25Engine oil filter cartridge• Replace.
26*Cooling system• Check hoses for cracks or damage.
• Replace if necessary.
*• Change coolant
27*Front and rear brake switches• Check operation
28*Control cables• Apply Yamaha cable lubricant or other suitable cable lubricant thoroughly
29*Throttle grip• Check operation and free play.
• Adjust the throttle cable free play
if necessary.
• Lubricate the throttle grip housing
and cable.
30*Lights, signals and switches• Check operation
• Adjust headlight beam

TIPs

Air filter:

  • This model’s air filter is equipped with a disposable oil-coated paper element, which must not be cleaned with compressed air to avoid damaging it
  • The air filter element needs to be replaced more frequent when riding in unusually wet or dusty areas

Hydraulic brake service:

  • After disassembling the brake master cylinders and calipers, always change the fluid. Regularly check the brake and clutch fluid levels and fill the reservoirs as required
  • Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid
  • Replace the brake hoses every four years or if cracked or damaged.

Yamaha MT-03 Tire specs

The recommended tire sizes and pressures for the Yamaha MT-03 are as follows (per the manual):

TireSizePressure (cold)
Front110/70R-17M/C (54H)200 kPa (29 psi)
Rear140/70R-17M/C (66H)250 kPa (36 psi)
Tire size and pressures for the Yamaha MT-03

About the 2019 Yamaha MT-03

The MT-03 is a pocket rocket, a standard motorcycle based on the very successful YZF-R3.

The 321cc liquid-cooled, inline 2-cylinder engine rips through the rpm range. With a 180-degree crank design and integrated counter-balancer, the the engine minimizes vibrations for a smooth, refined engine character.

Changing the YZF-R3’s clip-ons to handlebars, and changing the posture a little bit, makes the MT-03 very easy to ride and an excellent beginner’s bike.

Even though the engine is only 321ccs and produces “only” 42 hp (31 kW), the MT-03 is a lot of fun to ride hard — something you can’t do on larger bikes without ending up in illegal speed territory!

Manual for the Yamaha MT-03

The above information was gleaned from the owner’s manual for the 2020 Yamaha MT-03.

Yamaha MT-03 maintenance schedule table from manual.

You can download it from Yamaha’s website here.

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