A.J.S. 3.46 H.P. Handbook Download Page 24

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GEAR RATIOS

Competition Models—Wide Ratios.

Engine Sprocket.

Top.

4.51

4.70

4.90

5.13

5.37

5.64

5.95

6.27

6.64

Third.

5.46

5.68

5.93

6.20

6-49

6.82

7.18

7.58

8.03

Second.

7.98

8.32

8.67

9.07

9.50

9.9S

10.50

11.09

11.68

Low.

13.40

13.95

14.56

15.22

15.95

16.75

17.63

18.61

19.70

Racing Models—Close Ratios.

4.51

4.70

4.90

5.13

5.37

5.64

5.95

6.27

6.64

5.46

5.68

5.93

6.20

6.49

6.82

7.18

7.58

8.05

6.58

6.86

7.16

7.48

7.84

8.23

8.67

9.15

9.69

11.60

12.08

12.60

13.18

13.80

14.49

15.26

16.10

17.05

On 4.95 H.P. Competition Models a 24 Tooth Engine sprocket is fitted. On the 4.95

H.P. Racing Model a 25 Tooth Engine Sprocket is fitted. On both the 3.46 H.P, Racing and

Competition Models a 21 Tooth Engine Sprocket is Fitted- For Sidecar work fit a 21 Tooth

Engine Sprocket to the 4.95 H.P. Model and for the 3.46 H.P. a 19 Tooth Engine Sprocket.

APPROXIMATE ENGINE REVOLUTIONS

at different Speeds—Miles per Hour.

Diameter of Driving Wheels, 26 in.

m.p.h.

100

3¾

242

485

727

969

1212

1454

1697

1939

2182

2424

2666

2908

3150

3394

3638

3876

4118

4364

4606

4848

239

517

775

1034

1293

1550

1810

2068

2327

2586

2845

3100

3359

3620

3879

4136

4395

4654

4913

5172

4¼

275

549

824

1098

1373

1648

1923

2196

2471

2747

3022

3296

3571

3846

4121

4392

4667

4942

5217

5494

GEAR RATIO.

4½

291

582

873

1164

1455

1746

2037

2328

2619

2909

3200

3492

3783

4074

4365

4656

4947

5238

5529

5818

4¾

307

614

921

1228

1535

1842

2149

2456

2763

3070

3377

3684

3991

4298

4605

49J2

5219

5526

5833

6140

323

646

970

1293

1616

1940

2262

2586

2989

3232

3555

3878

4201

4524

4847

5172

5495

5818

6141

6464

5¼

339

679

1018

1358

1697

2036

2375

2716

3055

3394

3733

4072

4411

4750

5089

5432

5771

6110

6449

6788

5½

356

711

1066

1422

1778

2132

2488

2844

3200

3555

3911

4264

4620

4976

5332

5688

6044

6400

6756

7110

5¾

372

743

1115

1487

1859

2230

2602

2974

3346

3717

4089

4460

4832

5204

5576

5948

6320

6692

7064

388

776

1164

1552

1940

2328

2716

3104

3492

3879

4267

4656

5044

5432

5820

6208

6596

6984

7372

6¼

404

808

1212

1616

2020

2424

2828

3232

3636

4040

4444

4848

5252

5656

6060

6464

6868

7272

6½

420

840

1261

1681

2101

2521

2941

3362

3782

4202

4622

5042

5462

5882

6303

6724

7144

6¾

436

873

1309

1745

2181

2618

3034

3490

3926

4363

4799

5236

5672

6108

6544

6980

7416

452

905

1357

1810

2262

2714

3166

3620

4072

4525

4977

5428

5880

6332

6784

7240

„

Teeth

„

—22—

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Summary of Contents for 3.46 H.P.

Page 1: ...A J S Model 33 7 HANDBOOK for OVERHEAD CAMSHAFT TROPHY MODELS 3 46 H P 4 95 H P MANUFACTURED BY PLUMSTEAD LONDON S E 18 PRICE ONE SHILLING w w w a j s m a t c h l e s s i n f o...

Page 2: ...w w w a j s m a t c h l e s s i n f o...

Page 3: ...mption that the purchasers of A J S Camshaft Models are already conversant with the driving of a Motor Cycle we have only included just covering remarks on this subject That accessibility has been ver...

Page 4: ...ear Wheel Removal and Adjustment 19 and 20 Front 20 Wheel Bearing Adjustment 20 Front Fork Adjustment 20 Steering Head and Handlebars 21 Gear Ratios 22 Engine Revolution Chart 22 Guarantee Details 23...

Page 5: ...rds On electrically equipped models the Dipping and Dimming Control switch is fitted to left Handlebar Starring Do not overflood the Carburettor only depress the Tickler enough to feel resistance by t...

Page 6: ...e whilst this is exposed Sparking Plug Oil Feed Pipes to Valve Guides Oil Feed Pipe from main Engine Pump to Rocker Box and Oil Drain Pipe to Rocker Box Pump also Exhaust Pipe Locking Ring etc Next re...

Page 7: ...THE A J S TROPHY O H C ENGINE 5 w w w a j s m a t c h l e s s i n f o...

Page 8: ...VALVE AND IGNITION TIMING 6 w w w a j s m a t c h l e s s i n f o...

Page 9: ...t No XB 3360 The accompanying illustration shows the method of operation of both the valve extractor and the valve grinding tool although the Cylinder Head shown does not of course belong to a Camshaf...

Page 10: ...re of the chain wheel afterwards pushing out the tool holding this in position Watch that the rubber washer between the rocker box and the chain cover settles into position properly When the chain whe...

Page 11: ...oner blade spring at the top and the blade and spring can then be withdrawn from the bottom peg when replacing verify that the spring eye locates in its groove half way along the bottom peg The top ey...

Page 12: ...to time and obviously it is most economical to drain the Tank when the oil is at its lowest recommended level The correct Oil level in the Oil Tank being almost up to the end of the return pipe do not...

Page 13: ...is made for this To check off the relation between the two first engage any gear and then remove the split cotter and yoke end pin from the top of the Short Gear Rod if the two are correct the holes...

Page 14: ...LUTCH PARTS 1 2 3 4 5 6 Clutch Spring Screw Main Shaft Clutch Thrust Pin Main Shaft Nut Locking Washer for Main Shaft Nut Clutch Spring Screw Washer 7 8 9 10 11 12 13 Clutch Spring Box Clutch Spring C...

Page 15: ...ll and Roller Bearings between the two and these will drop out if not carefully handled When re assembling the Clutch the Ball and Roller bearings should be placed alternately round the centre and to...

Page 16: ...th the finger about in CARBURETTOR The Carburettor fitted as standard to the Camshaft Models is an Amal There are four ways in which the quality of the mixture can be varied these are as follows 1 2 3...

Page 17: ...ssity for alteration to the needle position may be checked in the following way Start the Engine and open the air lever to its fullest extent open Throttle control half way and notice whether the exha...

Page 18: ...e over if a spark is now visible the fault is in the Sparking Plug Check off the gap between the points this should be 20 Thou and if necessary adjust them by either tapping the electrodes together or...

Page 19: ...for any length of time without the Battery or if any trouble is experienced with the Dynamo withdraw the brushes from their housings and clip them under the brush springs or remove the Dynamo altoget...

Page 20: ...the fingers and moved a tooth backwards or forwards in the chain until the correct setting is arrived at When this is so place the magneto sprocket on to the sleeve and turn the armature shaft of magn...

Page 21: ...rm raised from the forward end When the desired chain tension is arrived at carefully retighten the bolts REAR WHEEL ADJUSTMENT GAUGE On the right hand side of the bottom chain stay will be found a pi...

Page 22: ...el will then fall out of the slots in fork ends When the wheel is replaced see that the brake anchor pin is screwed in tightly and the spindle nuts are tight IMPORTANT INSTRUCTIONS WHICH MUST BE CAREF...

Page 23: ...d side of the forks looking at the machine from the front see Illustration and turn the spindles by means of the heads on the left hand side until all slackness is taken up Afterwards tighten up lock...

Page 24: ...3638 3876 4118 4364 4606 4848 4 239 517 775 1034 1293 1550 1810 2068 2327 2586 2845 3100 3359 3620 3879 4136 4395 4654 4913 5172 4 275 549 824 1098 1373 1648 1923 2196 2471 2747 3022 3296 3571 3846 4...

Page 25: ...combined when carrying more persons or a greater weight than that for which the machine was designed by the manufacturers 3 The attaching of a sidecar to a motor cycle by any form of attachment not pr...

Page 26: ...w w w a j s m a t c h l e s s i n f o...

Page 27: ...w w w a j s m a t c h l e s s i n f o...

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