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Zontes · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, CVT belt drive

368G

Library entry covers 2025

32 factory 32 guideline

Published source

Zontes 368G Owner's Manual, Regular maintenance table pp.6-3 and 6-4 with notes (ManualsLib pages 47-49)

Factory owner's handbook. Covers Zontes 368G owner's manual; read from the rendered pages.

64 items for a 2025 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: Automatic or semi-automatic
Final drive: Belt CVT, scooter automatic
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2025 Zontes 368G

On the road: every 300 km

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 500 km

2 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline

On the road: every 800 km

1 item

Check coolant level

Pre-ride / on the road

Guideline

Every 4,000 km or 12 months

4 items

Idle speed (check)

Engine

Factory

Factory: Marked at 4,000, 8,000, 12,000 and 16,000 km. Annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Vehicle fasteners, bolts, nuts (fasten)

Engine

Factory

Factory: Fasten at 1,000 km and every 4,000 km to 16,000 km; annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Check steering head bearing adjustment

Front end

Factory

Manual: Steering bearings (check). Factory: Marked at 4,000, 8,000, 12,000 and 16,000 km. Annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tire (check). Factory: Check before riding, at 4,000, 8,000, 12,000 and 16,000 km, and annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 4,000 km or 15 months

1 item

Change engine oil

Engine

Factory

Manual: Engine oil (replace). Factory: Replace at 1,000, 4,000, 8,000, 12,000 and 16,000 km; check before riding and at the annual check. Note 1: the first maintenance is carried out at 1000 km or 3 months (whichever comes first); thereafter regular maintenance every 4000 km or 15 months (whichever comes first). Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 4,000 km

8 items

Coolant (check)

Engine

Factory

Factory: Check at 1,000, 4,000, 8,000, 12,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Inspect coolant hoses and clamps

Engine

Factory

Manual: Radiator tubes (check). Factory: Marked at 4,000, 8,000, 12,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Muffler anti-scalding plate buffer (check)

Engine

Factory

Factory: Marked at 4,000, 8,000, 12,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Muffler bolts and nuts (fasten)

Engine

Factory

Factory: Fasten at 1,000, 8,000, 12,000 and 16,000 km (not marked at 4,000 km). Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Air filter oil pipe (check)

Fuel and air

Factory

Factory: Check at 1,000 km and every 4,000 km to 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Oil-rope gaps (check). Factory: Marked at 4,000, 8,000, 12,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Bolts and nuts in steering mechanisms (fasten)

Front end

Factory

Factory: Fasten at 1,000 km and every 4,000 km to 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Brakes (check)

Brakes

Factory

Factory: Marked at 4,000, 8,000, 12,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 5,000 km or 12 months

7 items

Adjust automatic / semi-automatic clutch

Primary and gearbox

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 spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 6,500 km or 12 months

1 item

Inspect CVT drive belt, rollers / sliders and clutch shoes

Final drive

Guideline

Typical scooter interval. Your owner's manual figure governs; check belt width against the service limit.

Every 8,000 km or 12 months

4 items

Cradle buffering (check)

Engine

Factory

Factory: Check at 8,000 and 16,000 km, and annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Replace oil filter

Engine

Factory

Manual: Oil filter (replace). Factory: Replace at 1,000, 8,000 and 16,000 km; annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Front shock absorber (check). Factory: Check at 8,000 and 16,000 km, and annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Rear shock absorber (check)

Rear suspension and frame

Factory

Factory: Check at 8,000 and 16,000 km, and annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 8,000 km

6 items

Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plug (check). Factory: Check at 4,000 and 12,000 km; replaced at 8,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Replace spark plugs

Engine

Factory

Manual: Spark plug (replace). Factory: Replace at 8,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Clean / inspect air filter

Fuel and air

Factory

Manual: Air filter (filter element) (check). Factory: Check at 4,000 and 12,000 km; replaced at 8,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Replace air filter element

Fuel and air

Factory

Manual: Air filter (filter element) (replace). Factory: Replace at 8,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Change final drive (rear drive) oil

Final drive

Factory

Manual: Gearbox oil (replace). Factory: Replace at 1,000, 8,000 and 16,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Driving wheel, driven wheel (check)

Wheels and tires

Factory

Factory: Check at 8,000 and 16,000 km. Note 2: Shell Gadus S3 V220 C2 extreme pressure grease or high temperature grease of the same viscosity is recommended for the driving and driven wheel bushings; if the driving speed is found to be significantly reduced, inspect the CVT transmission at any time and replace parts in advance. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 9,500 km or 12 months

4 items

Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Check swingarm bushes for play

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 10,000 km

1 item

Internal mechanism of faucet lock

Engine

Factory

Factory: Remarks: check, clean and lubricate every 10,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 16,000 km or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Replace drive belt (wear or damage based)

Final drive

Factory

Manual: V-belt (replace). Factory: Replace at 16,000 km; remarks: replace every 2 years. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 19,500 km or 2 years

2 items

Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 19,500 km or 3 years

1 item

Replace CVT drive belt

Final drive

Guideline

Typical scooter interval, or sooner if the belt is cracked, glazed or below its width limit.

Every 20,000 km

1 item

Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance (cold check). Factory: Remarks: check and adjust every 20,000 km. Intake 0.1-0.22 mm, exhaust 0.2-0.33 mm. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 24,000 km 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 30,000 km or 3 years

1 item

Replace coolant

Engine

Factory

Manual: Coolant (replace). Factory: Remarks: replace every 3 years or 30,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 32,000 km 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 38,500 km or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

Every 40,000 km or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 48,500 km or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 12 months

1 item

Brake fluid (check)

Brakes

Factory

Factory: Check at 4,000 km and at the annual check. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

Every 2 years

3 items

Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Replace brake fluid

Brakes

Guideline

Every 4 years

2 items

Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake fluid hose (check). Factory: Check at 4,000 km; remarks: replace every 4 years. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

Every 6 years

2 items

Replace inner tubes and rim tape with tires

Wheels and tires

Guideline
Replace tires on age (regardless of tread)

Wheels and tires

Guideline

No interval set

3 items

Replace fuel lines

Fuel and air

Factory

Manual: Fuel lines (check). Factory: Marked at 4,000 km only. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Clean battery terminals, check charge and strap

Ignition and electrics

Factory

Manual: Polar terminology (battery terminals) (check). Factory: Marked at 1,000 and 8,000 km only. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.
Wheel spokes (check)

Wheels and tires

Factory

Factory: Check before riding, at 1,000 and 4,000 km. Columns: before riding, 1,000 km (0.6 x1000 mi), 4,000 (2.5), 8,000 (5), 12,000 (7.5), 16,000 km (10 x1000 mi), annual check.

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.

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