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Genuine Scooter · Two-stroke single, premix, CVT belt drive

Buddy 50

Library entry covers 2008-2025

27 factory 47 guideline

Published source

Genuine Scooter Company Buddy 50 Owner's Manual MY2027, Periodic Maintenance Table pp.29-30

Factory owner's handbook. Covers Genuine Scooter Company Buddy 50 owner's manual, MY2027 (two-stroke); earlier model years are not confirmed to use the same chart.

74 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: 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: Fuel injection
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

2025 Genuine Scooter Buddy 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 1,875 mi or 3 months

16 items

Drive belt (inspect)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: inspect; replace every 4,000 miles or sooner. Circle at 3 mo/1,875 mi, 9 mo/5,625 mi, 15 mo/9,375 mi. Mandatory replacement (square) at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Engine idle speed (check 1900 +/- 200 rpm)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: check engine idle speed set: 1900 +/- 200 rpm. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Nuts, bolts, fasteners (tighten if required)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: tighten if required. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Spark plug (set gap, clean or replace when required)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: set gap, clean or replace when required. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Wiring (inspect for damage/connection integrity)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: inspect wiring for damage/connection integrity. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Air cleaner (clean housing, inspect gaskets)

Fuel and air

Factory

Factory: Periodic Maintenance Table (p.29), action: clean housing, inspect gaskets, replace as needed. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Air filter (inspect)

Fuel and air

Factory

Factory: Periodic Maintenance Table (p.29), action: inspect, replace every 4000 mi or sooner. Circle at 3 mo/1,875 mi, 9 mo/5,625 mi, 15 mo/9,375 mi. Mandatory replacement (square) at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Fuel supply system (inspect for hose cracks, fuel filter blockages)

Fuel and air

Factory

Factory: Periodic Maintenance Table (p.30), action: inspect for hose cracks, fuel filter blockages. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Battery (check voltage over 12.8 V, recharge, clean poles)

Ignition and electrics

Factory

Factory: Periodic Maintenance Table (p.30), action: battery voltage should exceed 12.8 V; recharge the battery/clean poles if required. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Transmission variator/clutch (check rollers, sliders, clutch pads and other transmission parts)

Primary and gearbox

Factory

Factory: Periodic Maintenance Table (p.29), action: replace as necessary. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Front fork (check for leaks/functionality)

Front end

Factory

Factory: Periodic Maintenance Table (p.29), action: check for leaks/functionality. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Main/side stand (check, tighten, repair or replace)

Rear suspension and frame

Factory

Factory: Periodic Maintenance Table (p.30), action: check functionality, tighten, repair or replace as necessary. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Disk and drum brake (check for wear, replace pads/drum/discs as necessary, check fluid level)

Brakes

Factory

Factory: Periodic Maintenance Table (p.29), action: check for wear. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Axle/wheel bearings (tighten axle, check runout and bearing free-play)

Wheels and tires

Factory

Factory: Periodic Maintenance Table (p.29), action: tighten axle if loose; check wheel runout/bearing free-play and replace if necessary. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Tires (check for wear)

Wheels and tires

Factory

Factory: Periodic Maintenance Table (p.29), action: check for wear, replace as necessary. Circle at 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Cables (check and adjust free play, lubricate)

Controls and cables

Factory

Factory: Periodic Maintenance Table (p.30), action: check and adjust free play; lubricate. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 6 mo/3,750 mi, 9 mo/5,625 mi, 12 mo/7,500 mi, 15 mo/9,375 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.

Every 2,000 mi or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

Every 3,000 mi or 12 months

8 items

Check throttle cable(s) free play and return

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 3,750 mi or 6 months

7 items

Drive belt (replace)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: inspect; replace every 4,000 miles or sooner. Mandatory replacement (square) at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Gear oil (replace)

Engine

Factory

Factory: Periodic Maintenance Table (p.29), action: replace, use 85w140 gear oil (90 cc replacement volume, 110 cc total). Mandatory replacement (square) at 1 mo/500 mi, 3 mo/1,875 mi, 9 mo/5,625 mi, 15 mo/9,375 mi. Starred: recommended to have service performed by dealer. Replaced at 1 and 3 months, then every 6 months. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Air filter (replace)

Fuel and air

Factory

Factory: Periodic Maintenance Table (p.29), action: inspect, replace every 4000 mi or sooner. Mandatory replacement (square) at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Carbon cleaning (clean carbon build-up when engine output is reduced)

Fuel and air

Factory

Factory: Periodic Maintenance Table (p.30), action: clean carbon build-up when engine output is reduced. Circle at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Steering head bearing (check for play, adjust)

Front end

Factory

Factory: Periodic Maintenance Table (p.29), action: check for play, adjust if necessary. Circle at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Rear shock absorber (check for leaks/functionality)

Rear suspension and frame

Factory

Factory: Periodic Maintenance Table (p.30), action: check for leaks/functionality. Circle at 1 mo/500 mi, 3 mo/1,875 mi, 9 mo/5,625 mi, 15 mo/9,375 mi. Marked at 1 and 3 months, then every 6 months. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Rear brake arm (check, adjust if necessary)

Brakes

Factory

Factory: Periodic Maintenance Table (p.29), action: check, adjust if necessary. Circle at 6 mo/3,750 mi, 12 mo/7,500 mi, 18 mo/11,250 mi. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.

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 5,625 mi or 9 months

1 item

Engine compression (pressure check)

Engine

Factory

Factory: Periodic Maintenance Table (p.30), action: engine compression pressure check. Circle at 9 mo/5,625 mi, 18 mo/11,250 mi. Starred: recommended to have service performed by dealer. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.

Every 6,000 mi or 12 months

6 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.
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 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

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 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 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

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

No interval set

3 items

Engine oil, 2-cycle (check and add)

Engine

Factory

Factory: Periodic Maintenance Table (p.29): Daily; add high quality JASO FD 2-cycle engine oil when the oil tank is low, do not wait for the oil warning light; stop immediately and add oil if you see the oil warning light. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Fuel (check and add)

Fuel and air

Factory

Factory: Periodic Maintenance Table (p.29): Daily; low tank: add premium unleaded fuel, 91 octane or higher. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.
Tire pressure (check and adjust)

Wheels and tires

Factory

Factory: Periodic Maintenance Table (p.30): check daily, adjust when necessary. Legend: circle = inspect, clean, adjust, service; filled square = mandatory replacement; * = recommended to have service performed by dealer.

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.