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Honda CBR300R Maintenance Schedule and Service Intervals

Honda CBR300R Stock Image

This is the maintenance schedule and associated service intervals for the Honda CBR300R, in production since 2013. The CBR300R has not changed significantly since.

The Honda CBR300R is a longer-stroke replacement for the long-serving Honda CBR250R, increasing displacement from 250cc to 286cc.

The new single-cylinder engine increases peak power from 19 to 23 kW (26 to 31 hp), and torque from 23 to 27 Nm (17 to 20 ft-lb). The Honda CBR300R also comes with optional ABS (standard in some markets), and with a restyled fairing and headlight to resemble the more recent other models (like the 2013-2018 CBR500R).

With its 286cc fuel-injected single-cylinder engine, the Honda CBR300R shares a lot in common with other small singles from Honda, like the naked variant, the CB300R.

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Honda CBR300R Maintenance Schedule

Below is the maintenance schedule for the Honda CBR300R.

Notes:

  • After the end of the schedule, repeat the maintenance schedule in the pattern shown.
  • Honda gives recommended difficulty levels for maintenance items in the manual, marked here in the “Dif.” column. A single X means a skilled home technician can do it, and XX means Honda recommends you take it to a dealer or mechanic in the interest of safety.
  • 3. Service more frequently when riding in rain or at full throttle.
  • 4: 50 STATE type (meets California).
  • 5: Replace every 2 years, or at indicated odometer intervals, whichever comes first. Replacement requires mechanical skill.

Maintenance Procedures:

  • I: inspect and clean, adjust, lubricate, or replace, if necessary
  • R: replace
  • C: Clean
  • L: lubricate
mi x 10000.64812162024
km x 1000Dif.16.412.819.225.63238.4Every
Fuel LineXIII
Throttle OperationXIII
Air CleanerRRService more often if riding in dust/wet.
Crankcase BreatherCCCCCCService more frequently when riding in rain or at full throttle.
Spark PlugXI32K mi (51.2K km): R
Valve ClearanceXI
Engine OilRRRR
Engine Oil FilterRRRROil change
Engine Idle SpeedXIIIIIII
Radiator Coolant.IIR2 years
Cooling SystemXIII
Secondary Air Supply SystemXIII
Evaporative Emission Control SystemXII
Drive Chain500 mi (800 km): I, L
Brake FluidIIRIIR2 years
Brake Pads WearIIIIII
Brake SystemIIII
Brake Light SwitchIII
Headlight AimIII
Clutch SystemIIIIIII
Side StandIII
SuspensionXIII
Nuts, Bolts, FastenersXIIII
Wheels/TiresXXIII
Steering Head BearingsXXIIII
Honda CBR300R Maintenance Schedule

Tyre size and tyre pressure for the Honda CBR300R

In the manual for the Honda CBR300R, Honda specifies the following tyre sizes and standard brands for tyres, plus gives the following recommended tyre pressures.

Stock, the CBR300R ships with IRC RX-01 tyres, but you can fit other road/sport tyres as suits your riding style.

TyreSizeBrand(s)Tyre pressure
Front110/70-17M/C 54SIRC RX-01FD29 psi (200 kPa, 2.00 bar)
Rear140/70-17M/C 66SIRC RX-01RZ29 psi (200 kPa, 2.00 bar)
Tyres and tyre pressures for the Honda CBR300R

About the Honda CBR300R

The Honda CBR300R is Honda’s entry-level road/sportbike. But it shares good looks and high build quality with the rest of Honda’s modern line.

The CBR300R is an evolution of the previous 2001-2013 Honda CBR250R. It has a bigger engine, with a longer stroke (55mm lengthened to 63mm), increasing displacement from 249.5cc to 286cc.

It has a bigger engine and new style, but still gives the same accessible performance that’s great for new riders, those wanting to downsize, or people in many parts of the world where going much over 100 km/h (60 mph) doesn’t make much sense.

Honda kept the compression ratio of the CBR300R at 10.7:1, just like its predecessor, but the bike still gets a ~15% power boost from the greater displacement and accompanying tune. Power is still pretty modest, with a peak of 23 kW (30 hp) at 8500 rpm.

Otherwise, the bike’s engine is very similar conceptually. It’s still a liquid-cooled fuel-injected single-cylinder engine.

Internally, Honda gave the bike a new piston, connecting rod, and crankshaft, along with taller gearing than the CBR250R for better cruising.

The engine is the same basic engine used in other 300-class motorcycles made by Honda, like the Honda Rebel 300, so the general maintenance schedule is the same.

Best of all, since most new riders could also be new mechanics, the engine comes laid out with ease of maintenance in mind with easy access to the valve adjusters, oil fill and filter and rear brake fluid reservoir.

The little CBR300R has a six-speed transmission that helps keep the rpm within the usable powerband, sending power to the rear wheel via a chain drive.

Honda made some exterior changes as well. These included a new exhaust system and revised motor mounts, a new seat and side panels that aid in an easier reach to the ground and a slightly more sporty riding position.

Tires and suspension remain same as the previous model CBR250R.

Front suspension is via a conventional fork that’s not adjustable, but the rear monoshock has five-position preload adjustability.

Braking is also simple, as you’d expect on a low-power bike, with a single 296 mm disc up front and a 2-piston caliper.

Manual for the Honda CBR300R

Honda CBR300R Maintenance Schedule Screenshot From Manual

The above maintenance schedule comes directly from the user’s manual for the Honda CBR300R.

You can download it from here.

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