
NM4 (670 cc)
Library entry covers 2015-2019
Published source
Honda NM4 2018 Owner's Manual 31MJS630 (English, US), Maintenance Schedule pp.59-60
Factory owner's handbook. Covers NM4 (DCT); 2018 US-market (American Honda) owner's manual 31MJS630, English; table to 24,000 mi (38,400 km), repeat at the established frequency; Regular Replace column (1 Year oil, 3 Years coolant, 2 Years brake fluid), no annual check column.
Open the source59 items for a 2016 model, grouped by interval the way a factory chart is laid out.
How this bike is built (what the schedule is based on)
- Engine cycle
- Four-stroke
- Engine lubrication
- Wet sump (oil in crankcase)
- Oil filtration
- Replaceable cartridge or spin-on filter
- Valve gear
- Overhead cam, screw/locknut adjusters
- Ignition
- Electronic (CDI / transistor / ECU)
- Charging
- Alternator / stator with rectifier
- Battery
- Wet cell (flooded lead-acid, needs topping up)
- Fuel system
- Fuel injection
- Cooling
- Liquid cooled
- Primary drive
- Gear or chain inside engine, shares engine oil
- Gearbox oil
- Shares engine oil
- Clutch control
- Hand lever, cable
- Final drive
- Chain
- Front suspension
- Telescopic fork
- Rear suspension
- Swingarm, single shock / cantilever
- Front brake
- Disc, hydraulic
- Rear brake
- Disc, hydraulic
- Wheels
- Cast / alloy, tubeless
- Sidecar
- No sidecar
2016 Honda NM4 (670 cc)
On the road: every 200 mi
1 item-
Check engine oil levelPre-ride / on the roadGuideline
Each fuel stop on old machines. Dry sump: check the tank hot, engine idling or just stopped, per your manual.
On the road: every 300 mi
2 items-
Check lights, horn, brake light switchesPre-ride / on the roadGuideline
-
Check tire pressuresPre-ride / on the roadGuideline
On the road: every 500 mi
1 item-
Check coolant levelPre-ride / on the roadGuideline
On the road: every 600 mi
2 items-
Check chain slack and rear wheel alignmentPre-ride / on the roadGuideline
-
Lubricate drive chainPre-ride / on the roadFactory
Manual: Drive chain (inspect and lubricate). Factory: Printed as text: every 600 mi (1,000 km) inspect and lubricate
Every 3,000 mi or 12 months
5 items-
Clean drive chain thoroughly (remove and soak, re-lube)Final driveGuideline
Non O-ring chains on old machines: remove, clean, soak in hot chain grease or lube, refit with the master link clip closed end leading.
-
Inspect chain and sprockets for wear (measure stretch)Final driveGuideline
-
Inspect fork seals, stanchions and fork bootsFront endGuideline
-
Check footrests, pegs, rear brake and gear lever pivotsRear suspension and frameGuideline
-
Check wheel bearings for playWheels and tiresGuideline
Every 4,000 mi or 12 months
2 items-
Inspect, clean and gap spark plugsEngineGuideline
-
Adjust clutch free play, lubricate cable and lever pivotPrimary and gearboxGuideline
Every 4,000 mi
3 items-
Check engine breather and oil returnEngineFactory
Manual: Crankcase breather (clean). Factory: Clean every 4000 mi (6400 km), 4000-24000 mi; service more frequently when riding in rain or at full throttle
-
Brake lock operation (inspect)BrakesFactory
Factory: Inspect every 4000 mi (6400 km), 4000-24000 mi; no 600 mi mark; dealer item (intermediate)
-
Check brake pads and discsBrakesFactory
Manual: Brake pads wear (inspect). Factory: Inspect every 4000 mi (6400 km), 4000-24000 mi
Every 6,000 mi or 12 months
5 items-
Clean / inspect air filterFuel and airGuideline
Mesh or oiled foam: clean and re-oil. Paper: blow out or replace. Some very early machines have no filter at all.
-
Check charging voltage and regulator / cut-outIgnition and electricsGuideline
-
Check swingarm bushes for playRear suspension and frameGuideline
-
Lubricate control cables and lever pivotsControls and cablesGuideline
-
Lubricate speedometer / tachometer cables, check driveControls and cablesGuideline
A dry speedo cable whips the needle and eventually kills the instrument.
Every 8,000 mi or 12 months
1 item-
Change engine oilEngineFactory
Manual: Engine oil (replace). Factory: Replace at 600 mi (1000 km), then 8000, 16000, 24000 mi (12800, 25600, 38400 km); Regular Replace 1 Year
Every 8,000 mi
12 items-
Engine idle speed (inspect)EngineFactory
Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); no 600 mi mark; dealer item (intermediate)
-
Headlight aim (inspect)EngineFactory
Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km)
-
Inspect coolant hoses and clampsEngineFactory
Manual: Cooling system (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); dealer item (intermediate)
-
Nuts, bolts, fasteners (inspect)EngineFactory
Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); no 600 mi mark; dealer item (intermediate)
-
Check throttle cable(s) free play and returnFuel and airFactory
Manual: Throttle operation (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); dealer item (intermediate)
-
Replace fuel linesFuel and airFactory
Manual: Fuel line (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); dealer item (intermediate)
-
Check steering head bearing adjustmentFront endFactory
Manual: Steering head bearings (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); no 600 mi mark; dealer item (technical)
-
Grease and check center / side stand and springsRear suspension and frameFactory
Manual: Side stand (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km)
-
Inspect rear shocks for leaks and dampingRear suspension and frameFactory
Manual: Suspension (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); dealer item (intermediate)
-
Brake light switch (inspect)BrakesFactory
Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km)
-
Brake system (inspect)BrakesFactory
Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km)
-
Inspect tire tread, sidewalls and date codesWheels and tiresFactory
Manual: Wheels/tires (inspect). Factory: Inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); dealer item (technical)
Every 10,000 mi or 2 years
1 item-
Compression test (or leak-down)EngineGuideline
Every 12,000 mi or 2 years
3 items-
Synchronize throttle bodiesFuel and airGuideline
-
Clean and grease rear suspension linkageRear suspension and frameGuideline
-
Grease swingarm pivotRear suspension and frameGuideline
Every 12,000 mi
1 item-
Replace air filter elementFuel and airFactory
Manual: Air cleaner (replace). Factory: Replace at 12000 and 24000 mi (19200, 38400 km); service more frequently when riding in unusually wet or dusty areas
Every 15,000 mi or 3 years
1 item-
Change fork oilFront endGuideline
Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.
Every 16,000 mi
4 items-
Check and adjust valve clearancesEngineFactory
Manual: Valve clearance (inspect). Factory: Inspect at 16000 mi (25600 km) only within the 24000 mi table; dealer item (intermediate)
-
Replace oil filterEngineFactory
Manual: Engine oil filter (replace). Factory: Replace at 600 mi (1000 km) and 16000 mi (25600 km)
-
Clutch oil filter (replace)Primary and gearboxFactory
Factory: Replace at 600 mi (1000 km) and 16000 mi (25600 km) (DCT)
-
Evaporative emission control system (inspect)Controls and cablesFactory
Factory: Inspect at 16000 mi (25600 km) only within the 24000 mi table; 50 STATE (meets California) footnote; dealer item (intermediate)
Every 18,000 mi
1 item-
Replace chain and sprockets (wear based)Final driveGuideline
Every 20,000 mi or 4 years
2 items-
Repack / replace steering head bearingsFront endGuideline
Many old machines use loose balls in cups and cones. Taper roller conversions are common.
-
Repack / replace wheel bearingsWheels and tiresGuideline
Cup-and-cone and taper roller hubs need periodic repacking and adjustment.
Every 24,000 mi or 4 years
1 item-
Replace fuel filterFuel and airGuideline
Every 25,000 mi or 6 years
1 item-
Replace swingarm bushes / bearingsRear suspension and frameGuideline
Every 30,000 mi or 6 years
1 item-
Rebuild forks: seals, bushes, springsFront endGuideline
Every 32,000 mi
1 item-
Replace spark plugsEngineFactory
Manual: Spark plug (replace). Factory: Printed as text: every 16,000 mi (25,600 km) inspect; every 32,000 mi (51,200 km) replace
Every 6 months
1 item-
Clean battery terminals, check charge and strapIgnition and electricsGuideline
Every 2 years
3 items-
Inspect wiring, bullet connectors and ground pointsIgnition and electricsGuideline
-
Inspect frame, welds and lugs for cracksRear suspension and frameGuideline
-
Replace brake fluidBrakesFactory
Manual: Brake fluid (replace). Factory: Regular Replace 2 Years; inspect every 4000 mi (6400 km), 4000-24000 mi; replacement requires mechanical skill
Every 3 years
1 item-
Replace coolantEngineFactory
Manual: Radiator coolant (replace). Factory: Regular Replace 3 Years (no R mark in the grid); inspect at 8000, 16000, 24000 mi (12800, 25600, 38400 km); replacement requires mechanical skill
Every 4 years
2 items-
Inspect brake hoses; replace old rubberBrakesGuideline
-
Rebuild calipers and master cylinders (seals)BrakesGuideline
Every 6 years
1 item-
Replace tires on age (regardless of tread)Wheels and tiresGuideline
Guideline lines: Intervals here are general guidelines for the machine's era and layout, compiled for this app. They are not factory manual figures. Check your workshop manual, and edit any interval in the bike's Schedule tab.
Keep up with this schedule on your phone
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