MotoService Log
Whizzer Motorbike / Pacemaker
Example photo: Russ Davis, CC BY-SA 3.0, Wikimedia Commons

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Whizzer · Side-valve four-stroke single, wet sump, no gearbox, CVT belt drive

Motorbike / Pacemaker

Library entry covers 1939-1965

49 guideline

Source

No published schedule found yet

These are general intervals for this bike's era and layout, so check them against your workshop manual.

49 items for a 1957 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
None (no filter)
Valve gear
Side valve (flathead)
Ignition
Magneto (incl. magdyno, flywheel magneto)
Charging
None (magneto only / no battery charging)
Battery
Wet cell (flooded lead-acid, needs topping up)
Fuel system
Single carburetor
Cooling
Air / oil cooled
Primary drive
None (direct belt drive, veteran)
Gearbox oil
No gearbox (single speed / hub gear)
Clutch control
None (direct drive / belt slip, veteran)
Final drive
Belt CVT, scooter automatic
Front suspension
Rigid / unsprung
Rear suspension
Rigid (hardtail)
Front brake
Drum (or band / stirrup)
Rear brake
Drum (or band / belt rim)
Wheels
Spoked, tubed
Sidecar
No sidecar
Maintenance schedule

1957 Whizzer Motorbike / Pacemaker

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

1 item
  • Check tire pressures
    Pre-ride / on the road
    Guideline

On the road: every 500 mi

1 item
  • Walk-around: check nuts and bolts for vibration loosening
    Pre-ride / on the road
    Guideline

    Old machines shake things loose: exhaust nuts, mudguard stays, footrests, tank mounts, battery strap.

On the road: every 1,000 mi

1 item
  • Check road kit: plugs, points file, master link, tube patches, wire, tape
    Pre-ride / on the road
    Guideline

Every 1,000 mi or 6 months

6 items
  • Inspect, clean and gap spark plugs
    Engine
    Guideline
  • Adjust front drum brake
    Brakes
    Guideline
  • Adjust rear drum brake and rod / cable linkage
    Brakes
    Guideline
  • Check spoke tension and wheel true
    Wheels and tires
    Guideline
  • Inspect tire tread, sidewalls and date codes
    Wheels and tires
    Guideline
  • Lubricate control cables and lever pivots
    Controls and cables
    Guideline

Every 1,000 mi or 12 months

1 item
  • Grease saddle pivot, check saddle springs / seat post
    Rear suspension and frame
    Guideline

Every 1,500 mi or 6 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.

  • 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.

Every 2,500 mi or 12 months

1 item
  • Check and adjust valve clearances
    Engine
    Guideline

Every 3,000 mi or 12 months

10 items
  • Check engine mounting bolts and plates
    Engine
    Guideline
  • Check throttle cable(s) free play and return
    Fuel and air
    Guideline
  • Clean fuel tap filter / sediment bowl
    Fuel and air
    Guideline
  • Check / set ignition timing
    Ignition and electrics
    Guideline
  • Clean and gap contact breaker points, oil cam felt
    Ignition and electrics
    Guideline
  • Check steering damper (friction or hydraulic)
    Front end
    Guideline
  • Check steering head bearing adjustment
    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 wheel bearings for play
    Wheels and tires
    Guideline

Every 4,000 mi or 12 months

3 items
  • Replace 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 5,000 mi or 2 years

1 item
  • Check cylinder head bolt torque
    Engine
    Guideline

    Air-cooled iron and alloy engines can lose head bolt tension; follow your manual's sequence and whether it is done hot or cold.

Every 6,000 mi or 12 months

2 items
  • Clean carburetor float bowl(s), check float level and jets
    Fuel and air
    Guideline

    Ethanol fuel varnishes old carbs quickly in storage.

  • Lubricate speedometer / tachometer cables, check drive
    Controls and cables
    Guideline

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

Every 6,000 mi or 2 years

4 items
  • Check engine breather and oil return
    Engine
    Guideline
  • Lubricate and check automatic advance unit
    Ignition and electrics
    Guideline
  • Magneto: clean slip ring and pickup brush, check HT lead
    Ignition and electrics
    Guideline
  • Repack / replace wheel bearings
    Wheels and tires
    Guideline

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

Every 10,000 mi or 2 years

1 item
  • Compression test (or leak-down)
    Engine
    Guideline

Every 10,000 mi or 3 years

1 item
  • Repack / replace steering head bearings
    Front end
    Guideline

    Many old machines use loose balls in cups and cones. Taper roller conversions are common.

Every 12,000 mi or 3 years

2 items
  • Replace points and condenser
    Ignition and electrics
    Guideline
  • Replace CVT drive belt
    Final drive
    Guideline

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

Every 12,000 mi or 4 years

1 item
  • Decarbonize head, grind / lap valves (top-end decoke)
    Engine
    Guideline

    Period practice. Leaded-era valve seats may need hardened seats for unleaded fuel.

Every 15,000 mi or 5 years

1 item
  • Inspect clutch plates and springs
    Primary and gearbox
    Guideline

Every 15,000 mi

1 item
  • Replace brake linings / skim drums (wear based)
    Brakes
    Guideline

Every 25,000 mi or 10 years

1 item
  • Magneto overhaul / re-magnetize, replace capacitor
    Ignition and electrics
    Guideline

    Weak spark when hot is the classic symptom. Old capacitors fail with age, not miles.

Every 12 months

1 item
  • Check speedometer / odometer against a known distance
    Controls and cables
    Guideline

    Old speedos drift with tire size and drive wear. Use phone GPS over a measured 10 miles / km.

Every 2 years

3 items
  • Inspect fuel tank for rust, sealer failure, leaks
    Fuel and air
    Guideline
  • Inspect wiring, bullet connectors and ground points
    Ignition and electrics
    Guideline
  • Inspect frame, welds and lugs for cracks
    Rear suspension and frame
    Guideline

Every 4 years

1 item
  • Replace fuel lines
    Fuel and air
    Guideline

    Old rubber and modern ethanol fuel do not mix well.

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

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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