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• Home
• Members bikes
• Useful contacts
• Useful info
  • Carburettors
  • Electrical Equipment
  • Fork Repairs
  • Paint Spraying
  • Propshaft Repairs
  • Seat Recovering
  • Sidecar Parts
  • Silencers / exhausts
  • Spares Suppliers
  • Speedo Repairs
  • Wheel Building
  • Other Links
• Library
  • Advertisements
  • Books
  • Brochures and Catalogues
  • Manuals
  • Magazine Articles
  • Road Tests
  • Service Bulletins
  • Sundries
  • Technical Sundries
  • Electrics
  • Old Newsletters
• Tool hire
  • Tool Hire
  • Post 69 Tool Hire
• Model specs
• News
• Calendar
• Event Reports
• What's it worth?
  • Pre-War Prices
  • Post War Prices
  • Airhead Prices
  • K Series Prices
• Bikes for sale/wanted
• DVLA dating service
• Videos

Service Bulletins

Downloads will be of ALL the material we have in the following categories.

We are not, at this stage, able to download service sheets for individual models.

1950 - 1969

Brakes, Wheels and Tires

• 1-54 Spoke tightening.pdf
• 1-55 R25.3 wheel bearing seals.pdf
• 156 wheel hub seals 1-59.pdf
• 2-54 wheel hub felt washer R25.3.pdf
• 210 wheel bearing seals 1-64.pdf
• 235 wheel hubs 2-68.pdf
• 236 Brake link rod 3-66.pdf
• 243 tyre types 1-67.pdf
• 249 Tyre pressures 2-67.pdf
• 61 wheel changing 4-56.pdf
• 84 Silentbloc 2-57.pdf
• 92 - adjusting swinging arm bearings 1-56.pdf
• Pre69brakes.pdf
• pre69electrics.pdf

Electrical System

• 1-54 Spoke tightening.pdf
• 1-55 R25.3 wheel bearing seals.pdf
• 1.52 R25 battery boiling.pdf
• 111 Battery care 1-57.pdf
• 156 wheel hub seals 1-59.pdf
• 193 flasher unit 2-62.pdf
• 194 R27 Advance unit 3-62.pdf
• 2-54 wheel hub felt washer R25.3.pdf
• 210 wheel bearing seals 1-64.pdf
• 222 electrolyte 1-65.pdf
• 235 wheel hubs 2-68.pdf
• 236 Brake link rod 3-66.pdf
• 240 New wiring diagrams 1-66.pdf
• 240 handlebar switches 1.66.pdf
• 243 tyre types 1-67.pdf
• 247 Cable retaining screws 1-67.pdf
• 249 Tyre pressures 2-67.pdf
• 61 wheel changing 4-56.pdf
• 84 Silentbloc 2-57.pdf
• 9-58 Battery care.pdf
• 92 - adjusting swinging arm bearings 1-56.pdf
• Pre69brakes.pdf
• pre69electrics.pdf

Engine

• 1957 all models oil recommendations.pdf
• 198 engine changes - various models, 1963.pdf
• 201 Sports models rev counter.pdf
• 202 R27 air filters.pdf
• 203 R27 Piston Clearances.pdf
• 207 R27 oil pump changes.pdf
• 208 centrifugal advance unit.pdf
• 209 - Sports models flywheel timing marks.pdf
• 211 - modified clutch springs.pdf
• 214 - engine and transmission noises.pdf
• 216 cylinder modifications.pdf
• 217 cover plate modification.pdf
• 220 piston clearances - all models.pdf
• 223 push rod changes.pdf
• 228 Sports bibration dampers.pdf
• 229 R25 carb changes.pdf
• 231 R25 Piston modifications.pdf
• 234 valve modifications.pdf
• 238 - crankshaft bearings.pdf
• 241 Tappet Guide Bushing.pdf
• 244 R50, R60 Cylinder head changes.pdf
• 246 Engine Breather.pdf
• 248 Valve Timings.pdf
• 250 rev counters.pdf
• 251 piston colour codes.pdf
• 252 flywheel oil seal.pdf
• 257 air filters and carbs.pdf
• 277 - Crankshafts.pdf
• Clutch lining crevices.pdf
• Isetta air filter.pdf
• Isetta oil filler support.pdf
• R25, R25-2 Ignition Timing.pdf
• R25-2 engine modifications, Nov 52.pdf
• R25-3 Oil consumption.pdf
• R26 and Isetta conrods.pdf
• R27 - Remedy for Spitting Carbs.pdf
• R27, R50, R50S, R60, R69S cylinder Head Torque.pdf
• R67-2 Pistons and rings.pdf
• R68 crank removal.pdf
• R68 flywheel fitting and oil return.pdf
• Use of timing light.pdf
• a.pdf
• all models - exhaust valve insert material.pdf
• pre69engine.pdf
• r25-2, R25-3 head modifications.pdf

Frame

• 1-55 sidestand fitting.pdf
• 123.pdf
• 141 R24, R25 silencers.pdf
• 181 R27 stand supports 3-61.pdf
• 2-54 silencers.pdf
• 213 Side stands 1-64.pdf
• 226 R27 Saddle bolts 1-66.pdf
• 245 Fuel Cocks 1-67.pdf
• 27-53 51slash2 petrol tank.pdf
• 3-54 stand modification.pdf
• 54 Isetta wind protector 3-56.pdf
• 55 Isetta roof light 4-56.pdf
• 62 hydraulic bibration damper 1-56.pdf
• 90 swinging arm lubrication 1-56.pdf
• pre69frame.pdf

Maintenance

• 1-52 warm season lubricants.pdf
• 1-54 R25 Running in advice.pdf
• 108 winter oils 4-56.pdf
• 123 recommended oils 1-57.pdf
• 14-55 summer oils.pdf
• 187 multigrade or monograde.pdf
• 2-25 warm season lubricants.pdf
• 2-52 R68 lubricants.pdf
• 2-53 cold season lubricants.pdf
• 2-56 summer oils.pdf
• 3-52 cold season lubricants.pdf
• 3-54 fork thread grease.pdf
• 4-52 Fuel.pdf
• 4-54 cold season lubricants.pdf
• Ble-53 warm season lubricants.pdf
• pre69 maintenance.pdf

Rear Drive

• pre69 drive.pdf

Suspension and Shock Absorbers

• 1-52 R25 hub spindles.pdf
• 1-56 (104) Suspension roller bearings.pdf
• 104 adjustemnt of swinging arm bearings 1-56.pdf
• 179 hydraulic steering damper 1-61.pdf
• 2-52 R68 wheel balancing.pdf
• 212 Earles fork lubrication 1-64.pdf
• 219 front suspension 1-65.pdf
• 224, Earles fork seals Oct 65.pdf
• 4-52 front forks.pdf
• 90 swinging arm lubrication 1-56.pdf
• May 69 US models telescopic forks.pdf
• pre69suspension.pdf

Transmission

• 1-62 (183)R25,6,7 Drive shafts.pdf
• 1.52 Layshaft oil seal.pdf
• 1.52 R25 Greasing prop shaft.pdf
• 1.54 Removing layshaft coupling flange.pdf
• 1.55 R25 rubber Ujoint.pdf
• 112 R26 vulcolan carrier 3.56.pdf
• 183 R25-27 drive shaft breakages 1.62.pdf
• 2-56 (94) R26 Axial gasket.pdf
• 2.52 Coupling flange protective cups.pdf
• 2.55 Drive shaft housing.pdf
• 200 R60 sidecar ratio 1.63.pdf
• 204 R27 Gear ratio 2.63.pdf
• 218 UJ modification 1.65.pdf
• 225 speedo drive 1.65.pdf
• 227 oil drain plug 1.66.pdf
• 237 kickstart pressure spring 2.66.pdf
• 242 Gearbox wrench 1.67.pdf
• 242 cardan shaft nut torque 1.67.pdf
• 253 Gearbox shimming 2.67.pdf
• 254 transmission oil 3.67.pdf
• 268 Gearchange Modifications 1.68.pdf
• 3.52 speddo drive lubrication.pdf
• 91 R26 bevel drive seal 1.56.pdf
• 94 R26 Drive gasket 2.56.pdf
• pre69transmission.pdf

Assorted Bulletins from the Mike Fishwick Collection

• Assorted.pdf

1970 - 88

Brakes, Wheels and Tires

• 1-69 274 wheel bearing adjustment.pdf
• 1-70 286 rear brake.pdf
• 1-71 307 New tyres.pdf
• 1-72 333 retensioning spokes.pdf
• 1-73 343 Fittingpanniers.pdf
• 2-70 296 breaking in new tyres.pdf
• 2-71 296 fork springs.pdf
• 2-72 335 Approved rear tyre.pdf
• 2-73 344 Rear wheel rim.pdf
• 3-73 353 Disc brakes.pdf
• 3400177 039R brake and fuel hoses.pdf
• 3400277 045R master cylinder splash guard.pdf
• 3400379 106R ^45,65 calipers.pdf
• 3400582 221R Loose disk retaining screws.pdf
• 3400682 230R R100Rs-Rt blake bleeding.pdf
• 3400783 285R R80GS break shoe springs.pdf
• 340174 369 brake lever adjustment.pdf
• 3600177 015R tyre pressure.pdf
• 3600277 037R wheel damage.pdf
• 3600377 033R Mixing tyre makes.pdf
• 3600477 048R fitting tyres to alloy rims.pdf
• 3600577 balancing alloy wheels.pdf
• 3600678 070Rwheel balance.pdf
• 3600778 079R Approved tyres.pdf
• 3600879 107R Dunlop tyres.pdf
• 3601381 177R ME11 andME77 Tyres.pdf
• 360174 358 touring tyres.pdf
• 3601982 226R Continental and Twinbduro tyres.pdf
• 3602082 227R tyre valve check.pdf
• 3602183 248R R80G-S rear wheel.pdf
• 361280 168R G-S wheel bolts.pdf
• 361280 Wheel bolts r80G-S.pdf
• 361882 212R Tyre clearance.pdf
• 5-72 338 Rim tape.pdf
• post69brakes.pdf

Electrical System

• 1-73 342 Headlight bulbs.pdf
• 1200178 058R starter cable.pdf
• 1200279 101RContact breaker.pdf
• 1200479 118R Starter cable.pdf
• 1200983 252R Ignition control unit.pdf
• 1210179 Ignition coils.pdf
• 2-70 287 flasher unit.pdf
• 2-73 345 flasher units.pdf
• 3-70 298 generator.pdf
• 4070 299 cable cchafing.pdf
• 5070 33 Battery cables.pdf
• 6100278 078R switch faults.pdf
• 6100379 on-off headlight switch.pdf
• 6100479 121R Flashers r45-65.pdf
• 6100579 122R Swicthable headlight.pdf
• 6100777 044R relays.pdf
• 6100782 210R.pdf
• 6200178 067R Rev counter.pdf
• 6200279 129R Rev counter.pdf
• post69electrics.pdf

Engine

• 1-69 273 Dwell angle adjustment.pdf
• 1-71 302 engine noises.pdf
• 1-72 321 R75 CV Carbs.pdf
• 1-73 340 reduction of engine noise.pdf
• 1100277 020R Main Bearings.pdf
• 1100377 021 Fitting larger engines to series 6 frames.pdf
• 1100477 032R Engine oil circuit.pdf
• 1100577 036R Pinking.pdf
• 1100577 036R R60 pinking.pdf
• 1100577 036R R60 pre-ignition.pdf
• 1100677 040R slash 7 Rockers.pdf
• 1100877 051R Gudgeon pins.pdf
• 1100978 059R R90 head gaskets.pdf
• 1101279 119R oil cooler panelling.pdf
• 1101479 137R Bearing cap sealing disc.pdf
• 1101580 146R.pdf
• 110174 370 Carb inlets.pdf
• 110177 427R Rocker Boxes.pdf
• 1101780 170R modified engine block.pdf
• 1101881 201R R645-65 valve clearances.pdf
• 1102082 208RCylinder barrel seal.pdf
• 1102182 231R uneven idling.pdf
• 111078 061R R100Rs Oil Cooler.pdf
• 111982 206R Oil filter mods.pdf
• 120174 363 generator upgrade.pdf
• 1300179 100R R45-65 cold starting problems.pdf
• 1300279 136R R45-65 idling adjustments.pdf
• 1300382 229R R65 modifications.pdf
• 1600277 041R fuel tap repair.pdf
• 1610177 Fuel filler cap.pdf
• 1983 Service Bulletin (2082) Airhead Forks Aug 1983.pdf
• 1984 Tire Clearance-2094.pdf
• 1996 Speedo Error-2756.pdf
• 2-71 303 engine ventilation.pdf
• 2-72 322 crankshaft changes.pdf
• 2-73 347 Pinking.pdf
• 3-70 281 Carb data.pdf
• 3-72 323 oil recommendations.pdf
• 3-73 348 Centrifugal advance.pdf
• 3400682 230R R100Rs-Rt blake bleeding.pdf
• 3602082 227R tyre valve check.pdf
• 4-70 282 carb adjustment.pdf
• 4-71 315 speedo drive.pdf
• 4-73 349 Centrifugal advance.pdf
• 5-70 284 R75.5 carbs.pdf
• 5-70 284 R75.5 new carbs.pdf
• 5-72 327 oil consumption.pdf
• 5-73 352 Carburettor.pdf
• 6-71 319 oil pump cover.pdf
• 6-72 329 centrifugal advance.pdf
• 7-70 288 cylinder head through bolts.pdf
• 7-72 331 rocker arm bearing supports.pdf
• 8-70 289 Oil leakage.pdf
• 8-72 337 centrifgal advance.pdf
• 9-70 294 Engine Noises.pdf
• post69engine.pdf

Frame

• 1-70 291 calcite on exhausts.pdf
• 1-71 309 spindle clamp.pdf
• 1-72 324 side stand.pdf
• 1-73 341 Long swinging arm.pdf
• 1600277 041R fuel tap repair.pdf
• 1610177 Fuel filler cap.pdf
• 1983 Service Bulletin (2082) Airhead Forks Aug 1983.pdf
• 1984 Tire Clearance-2094.pdf
• 1996 Speedo Error-2756.pdf
• 4600177 009R kickstand mounting bolts.pdf
• 4600378 069R Cylinder guards.pdf
• 4600478 083R legshields.pdf
• 4600478 083R windwhield.pdf
• 4600578 0778R Fairing.pdf
• 4600783 251R Side stand mods.pdf
• 4600983 265R centre stand.pdf
• 460177 426R adjustable windscreen.pdf
• long swinging arm.pdf
• post69frame.pdf

Maintenance

• 0000177 1004R Torque chart.pdf
• 0000276 402R 15-50W oils.pdf
• 0000277 022R slash 7 mods.pdf
• 0000377 007R pinstriping.pdf
• 0000377 lining strip.pdf
• 0000474 362sock absorber.pdf
• 0000574 364 slash 6 PDI.pdf
• 0000577 014R slash 7 PDI.pdf
• 0000677 016R suspension travel.pdf
• 0000777 029R slash 7 tech data.pdf
• 0001077 056R flat rates.pdf
• 0001178 057R paper gaskets.pdf
• 0001378 062R General care.pdf
• 0001478 0636R HP to KWH conversions.pdf
• 0001678 065R locks.pdf
• 0001978 080R Mods to R45-65.pdf
• 0002578 091R R60-100 workshop manual.pdf
• 0002678 092R Oil leaks.pdf
• 000276 402R Approved engine oil.pdf
• 0002878 099R r45-65 workshop manual.pdf
• 0002979 104R engine block identification numbers.pdf
• 0003079 105R Starter Batteries.pdf
• 0003179 109R Approved oils.pdf
• 0003579 128R digital tester.pdf
• 0004480 165R Changes for 1981 models.pdf
• 0004580 169R Workshop Manual.pdf
• 0005882 215R General Care.pdf
• 0006983 280R pressure cleaner.pdf
• 00101 oil strainer bolts.pdf
• 0010178 600 mile service.pdf
• 002178 085R R45-65 flat rates.pdf
• 005782 214R Short engines.pdf
• 01680 143R Special tools.pdf
• 01680 143R tools supplement.pdf
• 1-72 339 PDI.pdf
• 1179 135R Varta batteries.pdf
• 2-73 351 slash 5 accessory fitting.pdf
• 6-73 385 frame distortion check guage.pdf
• 6-76 419R special tools.pdf
• 9-72 342 slash 5 special tools.pdf
• V183 283R Warranty.pdf
• post69maintenance.pdf

Suspension and Shock Absorbers

• 1-70 290 Fork oil quantities.pdf
• 1-71 310 motocross rear shocks.pdf
• 1-72 310 motocross shock absorbers.pdf
• 1-72 328 Floating damper nozzles.pdf
• 1-73 354 Steering damper.pdf
• 2-72 332 Head adjustment.pdf
• 2-75 387 sterring bearing adjustment.pdf
• 3-72 334 Castor correction.pdf
• 3100277 050R Approved oil.pdf
• 3100478 090R fork dampers and springs.pdf
• 3100579 110R Fork oil change.pdf
• 3100579 110R Fork oil.pdf
• 3100680 164R Fork Noises R45, R65.pdf
• 310174 361 approved oil.pdf
• 4072 336 Seal ring.pdf
• 73.10.S2 Avon fairing.pdf
• 73.8.S2 Haydraulic damper.pdf
• post69suspension.pdf

Transmission

• 1-71 305 R75 New Rear drive.pdf
• 1-73 325 Swing arm bellows.pdf
• 1-73 346 Gearbox oil level.pdf
• 2-70 295 Clutch noises.pdf
• 2-70 295 clutch data.pdf
• 2100180 148R Clutch complaints.pdf
• 2300177 017R Gearbox mods.pdf
• 2300277 053R mod to gear change.pdf
• 2300281 202R Ourput shaft seal.pdf
• 2300482 222R Mods to 5 speed gearboxes.pdf
• 230174 360 driving flange torque.pdf
• 230381 202R Output shaft seal.pdf
• 2600174 357 Coupling Bell torque.pdf
• 2600178 086R Torsional damper.pdf
• 3070 301 Winter oil for transmission.pdf
• 3300177 018R Final Drive Seals.pdf
• 3300277 052R shck absorbers.pdf
• 3300378 071R Final Drive ratios.pdf
• 3300479 116R Shock absorbers.pdf
• 3300782 220R Nivomat.pdf
• post69transmission.pdf

Assorted Bulletins from the Mike Fishwick Collection

• Assorted 1.pdf
• Assorted.pdf