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Daelim · Two-stroke single, premix, CVT belt drive

Bonita 50

Library entry covers 2011-2025

25 factory 47 guideline

Published source

Daelim Bonita Owner's Manual (OM61-0810-01E), Maintenance schedule pp.29-30 (ManualsLib 405333 pages 31-32)

Factory owner's handbook. Covers Daelim Bonita owner's manual, publication code OM61-0810-01E; other editions not compared.

72 items for a 2024 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: Two-stroke
Engine lubrication: Two-stroke premix (oil in fuel)
Oil filtration: None (no filter)
Valve gear: None (two-stroke porting)
Ignition: Electronic (CDI / transistor / ECU)
Charging: Alternator / stator with rectifier
Battery: Wet cell (flooded lead-acid, needs topping up)
Fuel system: Single carburetor
Cooling: Air / oil cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Separate gearbox oil
Clutch control: Automatic or semi-automatic
Final drive: Belt CVT, scooter automatic
Front suspension: Telescopic fork
Rear suspension: Swingarm, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2024 Daelim Bonita 50

On the road: every 150 mi

1 item

Check two-stroke oil tank / carry premix oil

Pre-ride / on the road

Guideline

Running a two-stroke out of oil seizes it. Injection bikes: check the tank. Premix: carry oil and a measure.

On the road: every 300 mi

2 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline

Every 1,000 mi or 6 months

2 items

Adjust rear drum brake and rod / cable linkage

Brakes

Guideline
Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 2,000 mi or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

Every 2,485 mi or 6 months

19 items

Drive belt (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Headlight aim (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Oil pump and oil line (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Slide pieces (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Spark plug (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after; replace if necessary. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Suspension (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Throttle operation (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Weight rollers (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Air cleaner element (clean, inspect)

Fuel and air

Factory

Factory: Maintenance schedule (pp.29-30): C, I at 4,000 km and every 4,000 km after; check often if there is moisture or dust. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Carburetor idle speed (inspect)

Fuel and air

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Fuel line (inspect)

Fuel and air

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Fuel strainer (inspect)

Fuel and air

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000, 8,000 and 12,000 km. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Clutch shoe wear (inspect)

Primary and gearbox

Factory

Factory: Maintenance schedule (pp.29-30): I at 4,000 km and every 4,000 km after; replace when worn out. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Transmission oil (inspect)

Primary and gearbox

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000, 4,000, 8,000 and 16,000 km; replace if necessary. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Brake fluid (inspect)

Brakes

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000, 4,000, 8,000 and 12,000 km; replace if necessary. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Brake shoe and pad wear (inspect)

Brakes

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Brake stop switch (inspect)

Brakes

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000 km and every 4,000 km after. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Brake system (inspect)

Brakes

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000 km and every 4,000 km after. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Wheels and tires (inspect)

Wheels and tires

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000 km and every 4,000 km after. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.

Every 3,000 mi or 12 months

9 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean fuel tap filter / sediment bowl

Fuel and air

Guideline
Adjust automatic / semi-automatic clutch

Primary and gearbox

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 3,000 mi or 2 years

1 item

Decarbonize exhaust ports, pipes and baffles

Engine

Guideline

Two-strokes coke up the exhaust port and muffler baffles; power falls off gradually.

Every 4,000 mi or 12 months

3 items

Inspect, clean and gap spark plugs

Engine

Guideline
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.
Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 4,971 mi or 12 months

3 items

Bolts, nuts and fasteners (inspect)

Engine

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000, 8,000 and 16,000 km. Marked with one star: see a dealer if you lack the tools, information or skill. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Carbon removal (clean)

Fuel and air

Factory

Factory: Maintenance schedule (pp.29-30): C at 8,000 and 16,000 km. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Steering handle bearing (inspect)

Front end

Factory

Factory: Maintenance schedule (pp.29-30): I at 1,000, 8,000 and 16,000 km. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.

Every 6,000 mi or 12 months

7 items

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.
Clean carburetor float bowl(s), check float level and jets

Fuel and air

Guideline

Ethanol fuel varnishes old carbs quickly in storage.
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 7,456 mi or 18 months

1 item

Transmission oil (replace)

Primary and gearbox

Factory

Factory: Maintenance schedule (pp.29-30): R at 12,000 km. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.

Every 9,942 mi or 2 years

2 items

Fuel strainer (replace)

Fuel and air

Factory

Factory: Maintenance schedule (pp.29-30): R at 16,000 km. Marked with two stars: must be done by a dealer or repair center. Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.
Brake fluid (replace)

Brakes

Factory

Factory: Maintenance schedule (pp.29-30): R at 16,000 km; note 3: replace every 2 years or at the indicated interval, whichever comes first (replacement requires mechanical skill). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; R = replace; L = lubricate; C = clean. Columns: 1,000 km (1 month), 4,000 km (6 months), 8,000 km (12 months), 12,000 km (18 months), 16,000 km (24 months), whichever comes first. Note 1: past 16,000 km repeat the intervals. Note 2: service more often in wet or dusty areas.

Every 10,000 mi or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 12,000 mi or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Clean and grease rear suspension linkage

Rear suspension and frame

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 12,000 mi 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 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

1 item

Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 16,000 mi or 4 years

1 item

Replace spark plugs

Engine

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 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

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

3 items

Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
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.