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Zundapp · Two-stroke single, premix, chain drive

50 Super Combinette

Library entry covers 1969

14 factory 65 guideline

Published source

Zündapp Combinette / Super-Combinette Bedienung und Pflege, Pflegearbeiten and Schmierplan pp.44-46 (Deutsches Technikmuseum Berlin, museum-digital)

Factory source. Covers Zündapp Combinette / Super-Combinette owner's manual (inner cover prints COMBINETTE SUPER-COMBINETTE; no edition year printed in the pages read).

79 items for a 1969 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: Magneto (incl. magdyno, flywheel magneto)
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: Hand lever, cable
Final drive: Chain
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Drum (or band / stirrup)
Rear brake: Drum (or band / belt rim)
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

1969 Zundapp 50 Super Combinette

On the road: every 200 km

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 500 km

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 800 km

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 km

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

On the road: every 1,600 km

1 item

Check road kit: plugs, points file, master link, tube patches, wire, tape

Pre-ride / on the road

Guideline

Every 500 km

1 item

Control cables (check, adjust if needed)

Controls and cables

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 500 km (manual p.34). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.

Every 1,000 km

6 items

Engine idle (check)

Engine

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 1,000 km (p.31). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Oil level (check at level screw 66, top up with SAE 80 at filler screw 67 if needed)

Engine

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 1,000 km (Schmierplan, p.30). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Chain tension (check, adjust; clean and grease chain, about 1 cm slack)

Final drive

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 1,000 km (p.42). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Front fork swing levers (grease at nipple 10 with high-pressure grease)

Front end

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 1,000 km (Schmierplan, p.40). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Brakes (check, adjust if needed)

Brakes

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 1,000 km (p.40). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Throttle, clutch and brake cables (oil at oiler 46 with thin oil, e.g. SAE 20)

Brakes

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 1,000 km (Schmierplan, p.34). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.

Every 1,600 km or 1 month

1 item

Check battery electrolyte, top up with distilled water

Ignition and electrics

Guideline

Wet-cell batteries on old machines need regular topping up, more in hot weather.

Every 1,600 km or 6 months

8 items

Inspect, clean and gap spark plugs

Engine

Guideline
Check gearbox oil level

Primary and gearbox

Guideline
Grease swingarm pivot

Rear suspension and frame

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 2,000 km

3 items

Spark plug electrode gap (check, 0.4 mm)

Engine

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 2,000 km (p.34). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Carburetor, especially main jet (clean)

Fuel and air

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 2,000 km (p.34). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Fuel tap and air filter (clean)

Fuel and air

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 2,000 km (p.33). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.

Every 2,500 km or 6 months

2 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 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.

Every 2,500 km or 12 months

1 item

Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline

Every 3,000 km or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

Every 3,000 km

2 items

Exhaust system (clean)

Engine

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 3,000 km (p.34). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.
Ignition timing (check, 1.8 mm before TDC)

Ignition and electrics

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 3,000 km (p.34). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.

Every 5,000 km or 12 months

15 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
Adjust clutch pushrod / clutch adjuster

Primary and gearbox

Guideline
Change gearbox oil

Primary and gearbox

Guideline
Check chain guard, chain oiler (if fitted), rear chain case

Final drive

Guideline
Inspect chain and sprockets for wear (measure stretch)

Final drive

Guideline
Check steering damper (friction or hydraulic)

Front end

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 wheel bearings for play

Wheels and tires

Guideline

Every 5,000 km 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 5,000 km

1 item

Oil change (drain screw under the engine; about 350 ccm SAE 80)

Engine

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): every 5,000 km (Schmierplan, p.30). Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.

Every 6,500 km or 12 months

2 items

Replace spark plugs

Engine

Guideline
Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 8,000 km 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 9,500 km 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
Inspect rear shocks for leaks and damping

Rear suspension and frame

Guideline
Lubricate speedometer / tachometer cables, check drive

Controls and cables

Guideline

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

Every 9,500 km or 2 years

4 items

Lubricate and check automatic advance unit

Ignition and electrics

Guideline
Magneto: clean slip ring and pickup brush, check HT lead

Ignition and electrics

Guideline
Change fork oil

Front end

Guideline

Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.
Repack / replace wheel bearings

Wheels and tires

Guideline

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

Every 16,000 km or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 16,000 km 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 16,000 km

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 19,500 km or 3 years

1 item

Replace points and condenser

Ignition and electrics

Guideline

Every 24,000 km or 5 years

1 item

Inspect clutch plates and springs

Primary and gearbox

Guideline

Every 24,000 km

1 item

Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 40,000 km or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 40,000 km 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 48,500 km 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 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

No interval set

1 item

Screws, nuts and spoke nipples (retighten)

Wheels and tires

Factory

Factory: Übersicht über die Pflegearbeiten and Schmierplan (Zündapp Combinette / Super-Combinette "Bedienung und Pflege" owner's manual, German, printed pp.44-46; Deutsches Technikmuseum Berlin scan on museum-digital): during the first 300 km and from time to time afterwards. Intervals as printed: "nach je km" (every so many km); these kilometer figures apply from the 3rd inspection. During the first 300 km, and from time to time after that, retighten the screws and nuts, especially the spoke nipples. Use only ZÜNDAPP original parts for repairs.

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.