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

SpeedForce (49 cc)

Library entry covers 2007-2013

28 factory 54 guideline

Published source

Sachs SpeedForce 50 Betriebsanleitung, Inspektionsplan (printed pp.52-54, ManualsLib.de viewer pp.55-57)

Factory source. Covers Sachs SpeedForce 50 Betriebsanleitung (German, ManualsLib.de); no year printed in the pages read.

82 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: 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: Automatic or semi-automatic
Final drive: Belt CVT, scooter automatic
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2007 Sachs SpeedForce (49 cc)

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

2 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline

Every 1,600 km 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 3,000 km or 6 months

19 items

Chassis bolts and nuts (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Crankcase breather (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Crankcase sealing (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Engine bolts and nuts (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Exhaust system (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Spark plug (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Air filter, paper (inspect; clean every 3,000 km)

Fuel and air

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): inspect before each ride and at 1,000 km; clean every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Carburetor idle setting (inspect)

Fuel and air

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Fuel filter (inspect)

Fuel and air

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Fuel tank and lines (inspect)

Fuel and air

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Battery (inspect)

Ignition and electrics

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Ignition timing (inspect)

Ignition and electrics

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Gearbox sealing (inspect)

Primary and gearbox

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Steering head bearings and handlebar (inspect)

Front end

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Main and side stand (inspect; lubricate)

Rear suspension and frame

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): inspect before each ride and at 1,000 km; inspect and lubricate every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Brake fluid (inspect)

Brakes

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Brake function and brake pads (inspect)

Brakes

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Tire pressure (inspect)

Wheels and tires

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Throttle cable play (inspect)

Controls and cables

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 3,000 km / 6 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.

Every 3,000 km or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

Every 5,000 km or 12 months

12 items

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 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 spoke tension and wheel true

Wheels and tires

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 6,000 km or 12 months

5 items

Drive belt and rollers (inspect; replace as needed)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): inspect every 3,000 km / 6 months; inspect or replace every 6,000 km / 12 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Front and rear suspension (inspect)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 6,000 km / 12 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Gear oil (replace)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): inspect before each ride and every 3,000 km / 6 months; replace at 1,000 km, then every 6,000 km / 12 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Clutch disc (inspect; replace as needed)

Primary and gearbox

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): inspect every 3,000 km / 6 months; inspect or replace every 6,000 km / 12 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Shock absorbers (inspect)

Rear suspension and frame

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): before each ride, at 1,000 km, then every 6,000 km / 12 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.

Every 6,500 km 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 9,500 km 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 9,500 km or 2 years

2 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

Every 12,000 km or 2 years

3 items

Spark plug (replace)

Engine

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): every 12,000 km / 24 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Air filter, paper (replace)

Fuel and air

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): every 12,000 km / 24 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
Fuel filter (replace)

Fuel and air

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): every 12,000 km / 24 months. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.

Every 16,000 km or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 19,500 km or 2 years

2 items

Replace air filter element

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 19,500 km 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 24,000 km 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 24,000 km

1 item

Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 25,500 km or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 32,000 km 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 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 2 years

4 items

Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Brake fluid (replace)

Brakes

Factory

Factory: Inspektionsplan, inspection plan (German owner manual printed pp.53-54, ManualsLib.de viewer pp.56-57; item names translated): every 2 years. Columns as printed: before each ride; 1st service after 1,000 km; every 3,000 km / 6 months; every 6,000 km / 12 months; every 12,000 km / 24 months. Key: I inspect, clean and adjust; A replace; R clean (replace if necessary); S lubricate. Service the air filter more often on dusty roads.
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

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.