No photo of this model in the library yet.

Have this bike? Send a photo or the manual's service chart

Motron · Shim-adjusted overhead-cam four-stroke, wet sump, gearbox shares engine oil, chain drive

Nomad 125

Library entry covers 2023

26 factory 50 guideline

Published source

Motron NOMAD 125 Service Manual, Regular Maintenance Table (ManualsLib viewer pp.14-15)

Factory service manual. Covers Motron NOMAD 125 Service Manual (English); no model year printed in the pages read; other years not compared.

76 items for a 2023 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, shim adjusted (incl. desmo)
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

Maintenance schedule

2023 Motron Nomad 125

On the road: every 200 mi

1 item

Check engine oil level

Pre-ride / on the road

Guideline

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

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 500 mi

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 600 mi

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 621 mi

1 item

Drive chain (check, clean and lubricate)

Final drive

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 1,000 km; also checked at first 1,000 km and each column. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.

Every 1,000 mi or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 3,000 mi or 12 months

9 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean drive chain thoroughly (remove and soak, re-lube)

Final drive

Guideline

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 drive

Guideline
Check steering head bearing adjustment

Front end

Guideline
Inspect fork seals, stanchions and fork boots

Front end

Guideline
Check footrests, pegs, rear brake and gear lever pivots

Rear suspension and frame

Guideline
Grease and check center / side stand and springs

Rear suspension and frame

Guideline
Check brake pads and discs

Brakes

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 3,107 mi or 15 months

14 items

Body and engine bolts and nuts (tighten)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Engine oil (replace)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Idle speed (check)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Radiator hose (check)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Spark plug (check)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Valve clearance, cold (check)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months; inlet 0.15 +/- 0.03 mm, exhaust 0.25 +/- 0.03 mm. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Air filter cartridge (check)

Fuel and air

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Fuel pipe (check)

Fuel and air

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Clutch lever free play (check)

Primary and gearbox

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Brake fluid (check)

Brakes

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Brake fluid hose (check)

Brakes

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Brakes (check)

Brakes

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Tires (check)

Wheels and tires

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Throttle cable clearance (check)

Controls and cables

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 5,000 km or 15 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.

Every 4,000 mi or 12 months

2 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline

Every 4,971 mi or 2 years

1 item

Coolant (replace)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 8,000 km or every 24 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.

Every 5,000 mi or 12 months

2 items

Change engine oil

Engine

Guideline

Pre-1970 machines: many owners run non-detergent or classic-spec oil with no filter, so short intervals matter. Dry sump: drain the tank and the crankcase/sump, flush the tank and clean the feed and return screens.
Replace oil filter

Engine

Guideline

Every 6,000 mi or 12 months

7 items

Inspect coolant hoses and clamps

Engine

Guideline
Clean / inspect air filter

Fuel and air

Guideline

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-out

Ignition and electrics

Guideline
Check swingarm bushes for play

Rear suspension and frame

Guideline
Inspect rear shocks for leaks and damping

Rear suspension and frame

Guideline
Lubricate control cables and lever pivots

Controls and cables

Guideline
Lubricate speedometer / tachometer cables, check drive

Controls and cables

Guideline

A dry speedo cable whips the needle and eventually kills the instrument.

Every 6,214 mi or 30 months

7 items

Muffler bolts and nuts (tighten)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Oil filter (replace)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Throttle body (check)

Engine

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Front fork (check)

Front end

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Steering (check)

Front end

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): first 1,000 km or 3 months, then every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Rear shock absorber (check)

Rear suspension and frame

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Fuel evaporative emission control system (check)

Controls and cables

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 10,000 km or 30 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.

Every 9,321 mi or 45 months

1 item

Air filter cartridge (replace)

Fuel and air

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 15,000 km or 45 months. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

4 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Clean and grease rear suspension linkage

Rear suspension and frame

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 15,000 mi or 3 years

1 item

Change fork oil

Front end

Guideline

Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.

Every 15,000 mi or 4 years

1 item

Check valve clearances (shim adjusted)

Engine

Guideline

Every 16,000 mi or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 18,000 mi

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 20,000 mi or 4 years

2 items

Repack / replace steering head bearings

Front end

Guideline

Many old machines use loose balls in cups and cones. Taper roller conversions are common.
Repack / replace wheel bearings

Wheels and tires

Guideline

Cup-and-cone and taper roller hubs need periodic repacking and adjustment.

Every 24,000 mi or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

Every 25,000 mi or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 30,000 mi or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

5 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Brake fluid (replace)

Brakes

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 2 years. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Replace brake fluid

Brakes

Guideline

Every 4 years

4 items

Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
Brake fluid hose (replace)

Brakes

Factory

Factory: Regular Maintenance Table (ManualsLib viewer pp.14-15): every 4 years. Columns as printed: first 1,000 km or 3 months, every 5,000 km or 15 months, every 10,000 km or 30 months, every 15,000 km or 45 months. Items marked * are for a qualified dealer. When checking, clean, lubricate, adjust or replace as needed; inspect more often under bad road or high-load conditions.
Inspect brake hoses; replace old rubber

Brakes

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

Every 6 years

1 item

Replace tires on age (regardless of tread)

Wheels and tires

Guideline

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.