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American IronHorse · Pushrod four-stroke twin, dry sump, separate gearbox oil, belt drive

Slammer (1917 cc)

Library entry covers 2007-2010

26 factory 44 guideline

Published source

American IronHorse 2006 Owner's Manual, Motorcycle Maintenance 4-16, Maintenance Program chart p.68

Factory owner's handbook. Covers 2006 American IronHorse owner's manual (Legend SC, LSC TH, Outlaw SY, Slammer SZ, Tejas SJ, Texas Chopper TX).

70 items for a 2009 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: Dry sump (separate oil tank)
Oil filtration: Replaceable cartridge or spin-on filter
Valve gear: Overhead valve, pushrods, adjustable tappets
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: Hand lever, cable
Final drive: Toothed belt
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2009 American IronHorse Slammer (1917 cc)

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

Every 1,000 mi or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 2,000 mi

14 items

Electrical Switches (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Engine Idle (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Engine Oil (replace)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 500 mi and every 2,000 mi
Lights and Horn (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Oil Filter (replace)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 500 mi and every 2,000 mi
Rear Belt (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Road Testing (perform)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). X at 500 mi and every 2,000 mi
Throttle Operation (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Fuel Valve and Lines (inspect)

Fuel and air

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Clutch Adjustment (inspect)

Primary and gearbox

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Primary Chain (inspect)

Final drive

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Brake Fluid Levels (inspect)

Brakes

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Brake Pads and Disc (inspect)

Brakes

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi
Tire Pressure/Damage (inspect)

Wheels and tires

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi and every 2,000 mi

Every 3,000 mi or 12 months

7 items

Check throttle cable(s) free play and return

Fuel and air

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 4,000 mi or 12 months

2 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline

Every 4,000 mi

9 items

All Fasteners (tighten to proper torque)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). T at 500 mi, 4,000 mi and every 4,000 mi after
Engine Mounts (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi, 4,000 mi and every 4,000 mi after
Oil Screen (inspect)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi, 4,000 mi and every 4,000 mi after
Ignition Timing (inspect)

Ignition and electrics

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi, 4,000 mi and every 4,000 mi after
Primary Lubricant (replace)

Primary and gearbox

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 500 mi, 4,000 mi and every 4,000 mi after
Transmission Lubricant (replace)

Primary and gearbox

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 500 mi and every 4,000 mi; I at 2,000, 6,000, 10,000 mi and so on
Front Brake Caliper (inspect)

Brakes

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi, 4,000 mi and every 4,000 mi after
Front Brake Lever (lubricate)

Brakes

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). L at 500 mi, 4,000 mi and every 4,000 mi after
Rear Brake Caliper (inspect)

Brakes

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). I at 500 mi, 4,000 mi and every 4,000 mi after

Every 5,000 mi or 12 months

3 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.
Replace oil filter

Engine

Guideline
Inspect drive belt, pulleys and tension

Final drive

Guideline

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 8,000 mi or 2 years

1 item

Check and adjust valve clearances

Engine

Guideline

Every 8,000 mi

1 item

Spark Plugs (replace)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 8,000, 16,000, 24,000 and 32,000 mi; I at 4,000, 12,000, 20,000 and 28,000 mi

Every 10,000 mi or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 10,000 mi

2 items

Sealed Bearings (replace)

Engine

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 10,000, 20,000 and 30,000 mi
Front Fork Oil (replace)

Front end

Factory

Factory: American IronHorse Maintenance Program: services at 500 mi, 2,000 mi, then every 2,000 mi (chart to 34,000 mi). R at 10,000, 20,000 and 30,000 mi

Every 12,000 mi or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

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 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 50,000 mi

1 item

Replace drive belt (wear or damage based)

Final drive

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

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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Other 2009 American IronHorse models

All 2009 American IronHorse

2007-2010

Texas Chopper (1819 cc)

Classic Chop (1917 cc)