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VOR · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, chain drive

MX 450 Motocross

Library entry covers 2007

49 factory 34 guideline

Published source

VOR EN-E / EN-MAR / MX Owner's Manual M.Y.2004, Maintenance Schedule p.87 (viewer p.91)

Factory owner's handbook. Covers VOR owner's manual M.Y. 2004 ed.01/03 covering EN-E, EN-MAR and MX (ManualsLib lists it as VOR 450; 530 cc is named in the manual); catalog row is 2007, later editions not checked; hours-based.

83 items for a 2007 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: Single carburetor
Cooling: Liquid cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine oil
Clutch control: Hand lever, hydraulic
Final drive: Chain
Front suspension: Telescopic fork
Rear suspension: Swingarm, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2007 VOR MX 450 Motocross

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

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 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

On the road: every 15 h

1 item

Lubricate drive chain

Pre-ride / on the road

Factory

Manual: Clean and lubricate chain. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, after washing, every 15 hours

Every 3,000 mi or 12 months

6 items

Clean fuel tap filter / sediment bowl

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 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 spoke tension and wheel true

Wheels and tires

Guideline

Every 4,000 mi or 12 months

1 item

Inspect, clean and gap spark plugs

Engine

Guideline

Every 6,000 mi or 12 months

5 items

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
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

1 item

Compression test (or leak-down)

Engine

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 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 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 15 h or 12 months

8 items

Change engine oil

Engine

Factory

Manual: Change engine oil and filter. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: 1st service after 3 hours, every 15 hours, every year
Check exhaust system mounts

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours, every year
Replace oil filter

Engine

Factory

Manual: Clean engine oil filter. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: 1st service after 3 hours, every 15 hours, every year
Check throttle cable(s) free play and return

Fuel and air

Factory

Manual: Lubricate and adjust cables. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: after washing, 1st service after 3 hours, every 15 hours, every year
Clean / inspect air filter

Fuel and air

Factory

Manual: Clean air cleaner. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: after washing, every 15 hours, every year
Clean fork dust cover

Front end

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: after washing, every 15 hours, every year
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Check tire conditions and pressure. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, every 15 hours, every year
Check cable integrity and free sliding

Controls and cables

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, every 15 hours, every year

Every 15 h

25 items

Check and adjust valve clearances

Engine

Factory

Manual: Check valve clearance and adjust, if necessary. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours
Check coolant level

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Check electrical system

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Check headlight aiming

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours
Check oil circuit for leakage

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: 1st service after 3 hours, every 15 hours
Check rear mechanism

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours
Check threaded fasteners and clamps

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Clean magnetic engine oil drain plugs

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: 1st service after 3 hours, every 15 hours
Grease moving parts

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: after washing, 1st service after 3 hours, every 15 hours
Inspect coolant hoses and clamps

Engine

Factory

Manual: Check cooling system for leakage. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Replace fuel lines

Fuel and air

Factory

Manual: Check integrity of engine breathers and fuel lines. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: 1st service after 3 hours, every 15 hours
Check clutch master cylinder oil level

Primary and gearbox

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours
Check chain tension

Final drive

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Inspect chain and sprockets for wear (measure stretch)

Final drive

Factory

Manual: Check sprockets, chain wheel, chain guides, chain and chain rollers. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Check fork operation and setting

Front end

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, every 15 hours
Check front fork for oil leakage

Front end

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours
Check steering head bearing play and adjust, if necessary

Front end

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: 1st service after 3 hours, every 15 hours
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Check and adjust rear shock absorber. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, every 15 hours
Check brake discs for wear and damage

Brakes

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 15 hours
Check brake fluid level (front and rear)

Brakes

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Check brake pads and discs

Brakes

Factory

Manual: Check brake pad thickness. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, every 15 hours
Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Check brake lines for wear and position. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Check spoke tightness and wheel balancing

Wheels and tires

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours
Check wheel bearings for play

Wheels and tires

Factory

Manual: Check wheel bearing tolerance. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, every 15 hours
Check play and movement of levers and pedals

Controls and cables

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start, 1st service after 3 hours, every 15 hours

Every 30 h or 12 months

1 item

Check and clean carburetor float bowl

Fuel and air

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: after washing, every 30 hours, every year

Every 30 h

3 items

Change exhaust muffler acoustic insulation material

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 30 hours
Check piston and connecting rod's roller bearing

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 30 hours
Replace spark plugs

Engine

Factory

Manual: Change spark plug. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every 30 hours

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 12 months

10 items

Check antifreeze conditions

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Check exhaust system

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Check piston ring tightness

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Adjust carburation

Fuel and air

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Change clutch master cylinder oil

Primary and gearbox

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Change fork oil

Front end

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Check steering head bearing adjustment

Front end

Factory

Manual: Clean and grease steering head bearings and dust cover. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Overhaul fork

Front end

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Overhaul rear shock absorber

Rear suspension and frame

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year
Replace brake fluid

Brakes

Factory

Manual: Change brake fluid. Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every year

Every 2 years

4 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Replace hydraulic clutch fluid

Primary and gearbox

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline

Every 4 years

1 item

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

1 item

Check engine oil level (pre-ride check)

Engine

Factory

Factory: Maintenance schedule p.87 (columns Rider: every start, after washing; Dealer: 1st service after 3 hours, every 15 hours, every 30 hours, every year; carry out the 15 hour service after each competition if used for off-road racing): marked: every start

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.