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Honda CB350 H’ness and CB350RS maintenance schedule

Honda CB350 H'ness in front of wall

This is the maintenance schedule and service intervals for the Honda CB350 H’ness and CB350RS, also known as the Honda H’Ness, depending on market.

It’s known as the Honda H’Ness in India and the Honda CB350 in other markets. Some markets also get the Honda CB350RS, a slightly more up-spec and sporty machine with the same engine, chassis, and ride gear.

All versions of the Honda H’Ness and Honda CB350 share the same foundation: a 348cc 4-stroke single-cylinder engine that makes 15.5 kW (21 hp) @ 5,500 rpm or 30 Nm (20 ft-lb) @ 3,000 rpm, and maintenance is the same for all of them.

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Parts needed to service the Honda CB350 H’Ness

Below are the parts you need to do service on the Honda CB350 H’Ness.

PartHonda Cb350 H’Ness spec
OilHonda 5W-30 or 10W-30 oil, API SJ or higher, or JASO standard MA. Do not use “energy conserving” or “resource conserving” oils. Manual suggests Pro Honda GN4 oil.
Oil filterThe Honda CB350’s standard oil filter is part number 15412-K0N-D01. This fits a number of India-only motorcycles.
Chain lubeUse Motul chain paste for mess-free chain lubrication.
Spark plugUse an NGK MR6K-9 spark plug
Brake fluidUse Honda DOT 4 brake fluid.
Cable lubeUse Protect all cable life cable lube
General lubricationFor general exterior parts lubrication use lithium soap-based grease.
Honda CB350 H’Ness maintenance parts

Maintenance schedule for the Honda CB350 H’Ness

Below is the maintenance schedule for the Honda CB350 H’Ness. It’s taken from the manual (screenshots below) but adapted for web view.

Notes on the maintenance schedule

  • Honda notes difficulty levels for service items in the manual represented by wrench icons. We use asterisks. One asterisk (*) = intermediate — you can do it yourself. Two asterisks (**) = Honda suggests you get a dealer to do it. (These are things like changing tyres and replacing steering head bearings)
  • At the end of the maintenance schedule (after 36K km or 24K miles), keep going in the pattern indicated.
  • Note 2: Service these more frequently when riding in wet or dusty areas
  • Note 3: Service these more frequently when riding in rain or at full throttle.
  • Honda notes that changing DOT 4 fluids “requires mechanical skill”.

Legend

  • I = Inspect
  • C = Check
  • R = Replace
  • L = Lubricate
x 1000 km161218243036
x 1000 mi0.64812162024
Months161218243036EveryDiff.
Fuel lineIIIYear, I*
Throttle operationIIIYear, I
Air cleanerRR*
Crankcase breatherCCCCCC*
Spark plug (MR6K-9)RRR
Valve clearanceIIIIII*
Engine oil (Pro Honda GN4)RRRRRRRYear, R
Engine oil filter (15412-K0N-D01)RR
Engine idle speedIIIYear, I*
Evaporative emission control systemI*
Drive chain1000 km (600 mi): I, L
Drive chain sliderIII
Brake fluidIIIIIIYear, I
2 years: R
Brake pads wearIIIIIIYear, I
Brake systemIIIYear, I
Brake light switchIIIYear, I
Headlight aimIIIYear, I
Clutch systemIIIIIIYear, I
Side standIIIYear, I
SuspensionIIIYear, I*
Nuts, bolts, fastenersIIIYear, I*
Wheels/tiresIIIYear, I**
Steering head bearingsIIIYear, I**
Honda H’Ness CB350 Maintenance Schedule

Honda CB350 H’Ness Pre-ride checks

Honda also suggests the following pre-ride checks daily.

Pre-ride checks
Fuel level
Throttle operation
Engine oil
Drive chain
Brake fluid
Brake pads wear
Lights/Horn
Engine stop switch
Clutch system
Side stand
Wheels/tires
Honda H’Ness CB350 Pre-ride checks

Tyre sizes and pressures for the Honda CB350 H’Ness

The manual for the CB350 specifies the following tyre sizes and pressures.

Stock, it comes with tubeless tyres with the brand MRF Zapper in the front and MRF Nylogrip in the rear.

WheelTyre sizeTyre pressure
Front100/90-19M/C 57H200 kPa (2 bar) / 29 psi
Rear130/70-18M/C 63H225 kPa (2.25 bar) / 33 psi solo
250 kPa (2.5 bar) / 36 psi with passenger
Honda CB350 H’Ness tyres and pressures

About the Honda CB350 H’Ness

Honda CB350RS Red and Yellow
Honda CB350RS – two colours side by side

The Honda H’Ness CB350 and Honda CB350RS are designed to compete with Royal Enfield motorcycles like the Royal Enfield Meteor 350. Royal Enfield has dominated sales in India for a very long time.

It is powered by an engine that’s considered small for many of Honda’s motorcycle markets like in Europe, the UK, and the US, but which is considered big in India — a country dominated by around 100cc-class motorcycles.

The CB350’s single-cylinder engine has 348cc displacement. It’s fuel-injected, air-cooled, DOHC, and makes just shy of 16 kW or 21 hp. Which is enough for low-speed highway cruising and most of what the CB350 is meant to do, which is urban commuting while looking cool.

The Honda CB350 H’ness is built to a high spec. Sit on it and you’ll notice the parts gleam and the paint is rich. So this is a bike designed to be an upgrade for aspirational riders who still want to get from A-B but want to do so in stile and with a touch of prestige.

It power to the ground through a five-speed transmission and a chain drive.

The focus of the Honda H’Ness CB350 is simplicity. It’s a simple motorcycle to ride — and a great motorcycle as a first rider. And owning it and maintaining it simple too, as evidenced by the maintenance schedule, where even valve service intervals are listed as something anyone can do.

The maintenance for the CB350 is a lot less intense than on the Royal Enfield motorcycles, too. Intervals are wider, and there are less items to worry about.

Many international markets that haven’t received the CB350/H’ness have been wondering — why don’t we get it, too?

By the way, H’ness is short for “Highness” and is intended to be a nod to the majestic nature of the Honda CB350.

Manual for the Honda CB350 H’Ness

The above maintenance schedule came straight from the manual for the Honda H’Ness, double checked with the manual for the Honda CB350RS (it’s the same).

You can download the manuals from Honda’s Indian website here.

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