Villiers Information at www.villiers.info

Villiers Engine Type Data

This is a list of generic engine data as far as I know it from Villiers publications, VMCC book, Glass's Guide etc

Motorcycle engines, gears are C(close) S(std) W(wide), 34 = 3 & 4 speed variants supplied

ID years between cc bore stroke Gears 3 speed ratios 4 speed ratios 2/4 PreWarMark Model carb Slide Pilot Main Needle magneto Armature Power At rpm Ignition
3S1 3S2 3S3 3W1 3W2 3W3 4S1 4S2 4S3 4S4 4W1 4W2 4W3 4W4 4C1 4C2 4C3 4C4
1_ 13-16 269 70x70 0 x x x x x x x x x x x x x x x x x x 2 O 1_ unknown unknown unknown
1E 28-38 196 61x67 0 x x x x x x x x x x x x x x x x x x 2 IE KZ KZS 1E MW unknown unknown
1F 48-53 98 47x57 2 1.54 1 x x x x x x x x x x x x x x x x 2 1F VJ6 unknown unknown 2.8 4000 1/8
1H 53-57 223 63x72 4 x x x x x x 3.06 1.9 1.32 1 x x x x x x x x 2 1H S25 R127 A131 10 4500 0.172
2_ 16-20 269 70x70 0 x x x x x x x x x x x x x x x x x x 2 A 2_ unknown unknown unknown
2E 30-40 196 61x67 0 x x x x x x x x x x x x x x x x x x 2 XZ 2E MW unknown unknown
2F 48-58 98 47x57 2 2.47 1 x x x x x x x x x x x x x x x x 2 2F Junior J8 2.5 R110 A107 2 3750 1/8
2G 50 70 43x48 0 x x x x x x x x x x x x x x x x x x 2 2G unknown unknown
2H 57-64 247 66x72 4 x x x x 3.06 1.9 1.32 1 x x x x x x x x 2 2H S25/5 R141 A143 11 4500 0.172
2L 57-62 173 59x63.5 34 2.55 1.34 1 x x x 2.94 1.78 1.27 1 x x x x x x x x 2 2L S22 2.5 35 135 3.5 R134 A138 11/64
2T 56-68 249 59x63.5 4 x x x x x x 3.06 1.9 1.32 1 3.6 2.02 1.4 1 x x x x 2 2T S22 R138 A141
3_ 20-21 269 70x70 0 x x x x x x x x x x x x x x x x x x 2 B 3_ unknown unknown unknown
3E 38-40 197 59x72 3 x x x x x x x x x x x x x x x x x x 2 VV 3E HW unknown unknown
3G 50 70 43x48 0 x x x x x x x x x x x x x x x x x x 2 3G unknown unknown
3K 59-60 50 40x39.7 2 x x x x x x x x x x x x x x x x 2 3K SM10 unknown unknown 2 5500 3/32
3L 60-66 173 59x63.5 34 x x x x x x x x x x x x x x x x x x 2 3L S25 2.5 35 135 3.5 unknown unknown 11/64
3T 57-64 324 57x63.5 4 x x x x x x 3.06 1.9 1.32 1 3.6 2.02 1.4 1 x x x x 2 3T S25 R138 A141
4_ 21 269 70x70 0 x x x x x x x x x x x x x x x x x x 2 C 4_ unknown unknown unknown
4F 52-58 98 47x57 2 1.54 1 x x x x x x x x x x x x x x x x 2 4F VJ6 R122 A125 2.8 4000 1/8
4G 54 70 43x48 0 x x x x x x x x x x x x x x x x x x 2 4G unknown unknown
4T 63-67 249 50x63.5 4 x x x x x x 3.06 1.9 1.32 1 x x x x x x x x 2 4T S25 unknown unknown
5_ 22 269 70x70 0 x x x x x x x x x x x x x x x x x x 2 D 5_ unknown unknown unknown
5E 46-48 197 59x72 3 2.86 1.6 1 x x x x x x x x x x x x x x x 2 5E MW unknown unknown
6A 22-23 247 67x70 0 x x x x x x x x x x x x x x x x x x 2 J 6A MW unknown unknown 3/16
6B 22-23 342 79x70 0 x x x x x x x x x x x x x x x x x x 2 K 6B unknown unknown unknown
6C 22-23 147 55x62 0 x x x x x x x x x x x x x x x x x x 2 H 6C LW unknown unknown 5/32
6D 26-27 122 50x60 0 x x x x x x x x x x x x x x x x x x 2 6D unknown unknown unknown
6E 48-53 197 59x72 34 3.25 1.7 1 x x x 2.66 1.4 1.1 1 x x x x x x x x 2 6E V4/5 R117 A124 7.5 4000 5/32
6F 56-64 98 47x57 2 1.54 1 x x x x x x x x x x x x x x x x 2 6F S12 R122 A125 2.8 4000 1/8
7_ 46 75 50x38 0 x x x x x x x x x x x x x x x x x x 7_ unknown unknown
7A 24-25 247 67x70 0 x x x x x x x x x x x x x x x x x x 2 S 7A MW unknown unknown
7B 24 342 79x70 0 x x x x x x x x x x x x x x x x x x 2 M 7B unknown unknown unknown
7C 23-24 147 55x62 0 x x x x x x x x x x x x x x x x x x 2 L 7C LW unknown unknown 7/32
7E 53-56 197 59x72 34 2.55 1.34 1 3.25 1.7 1 2.94 1.8 1.35 1 3.47 2.3 1.35 1 2.1 1.73 1.3 1 2 7E S24/25 R117 A124 9.3 4300 5/32
7F 56 98 50x50 0 x x x x x x x x x x x x x x x x x x 2 7F unknown unknown unknown
8A 25-26 250 67x70 0 x x x x x x x x x x x x x x x x x x 2 X 8A MW unknown unknown
8B 25-26 342 79x70 0 x x x x x x x x x x x x x x x x x x 2 AZ 8B unknown unknown unknown
8C 24-47 147 55x62 0 x x x x x x x x x x x x x x x x x x 2 W 8C LW unknown unknown
8D 36-38 122 50x62 3 x x x x x x x x x x x x x x x x x x 2 AA 8D Midget unknown unknown 1/4
8E 53-58 197 59x72 34 2.55 1.34 1 3.25 1.7 1 2.94 1.8 1.35 1 3.47 2.3 1.35 1 x x x x 2 8E S24/25 R120 A123 8.4 4000 5/32
8F 64 98 47x57 1 x x x x x x x x x x x x x x x x x x 2 8F unknown unknown unknown
9A 26-28 247 67x70 0 x x x x x x x x x x x x x x x x x x 2 DZ 9A MW unknown unknown 5/16
9B 26-29 342 79x70 0 x x x x x x x x x x x x x x x x x x 2 CZ CZA 9B MW unknown unknown 5/16
9D 38-48 125 50x62 3 2.92 1.62 1 x x x x x x x x x x x x x x x 2 AAA 9D LW unknown unknown 3.15 4000 5/16
9E 55-67 197 59x72 34 2.55 1.34 1 3.25 1.7 1 2.94 1.8 1.35 1 3.25 1.96 1.4 1 x x x x 2 9E S25/1 3 35 120 3.5 R134 A136 8.4 4000 11/64
9ESS 55-67 197 59x72 4 2.55 1.34 1 3.25 1.7 1 2.94 1.8 1.35 1 3.25 1.96 1.4 1 x x x x 2 9ESS A389/63 389/3 30 290 D R134 A136 8.4 4000 1/8
9F 59-65 98 47x57 0 x x x x x x x x x x x x x x x x x x 2 9F S19 unknown unknown
10/1 59-60 98 47x57 0 x x x x x x x x x x x x x x x x x x 4 10/1 unknown unknown unknown
10_ 41 98 50x50 0 x x x x x x x x x x x x x x x x x x 10_ unknown unknown unknown
10A 30-32 247 67x70 0 x x x x x x x x x x x x x x x x x x 2 JZ 10A MW unknown unknown 5/16
10B 28-32 342 79x70 0 x x x x x x x x x x x x x x x x x x 2 HZ 10B unknown unknown unknown 5/16
10D 48-53 122 50x62 3 3.25 1.7 1 x x x x x x x x x x x x x x x 2 10D V3/4 R117 A124 4.8 4400 5/32
10E 55-67 197 59x72 4 x x x x x x 2.94 1.8 1.35 1 x x x x x x x x 2 10E S25/1 3 35 120 3.5 R134 A136 11/64
11C 31 148 53x67 0 x x x x x x x x x x x x x x x x x x 2 11C unknown unknown unknown
11D 53-54 122 50x62 34 x x x x x x 2.93 1.8 1.27 1 3.47 2.3 1.35 1 x x x x 2 11D S24 R117 A124 6.1 4600 5/32
11E 55-67 197 59x72 4 x x x x x x 2.94 1.8 1.35 1 x x x x x x x x 2 11E S25/1 3 35 120 3.5 unknown unknown 11/64
12/1 51 120 55x50 0 x x x x x x x x x x x x x x x x x x 12/1 unknown unknown unknown
12_ 42 120 55x50 0 x x x x x x x x x x x x x x x x x x 12_ unknown unknown unknown
12C 31-40 148 53x67 0 x x x x x x x x x x x x x x x x x x 2 GY GYF 12C MW unknown unknown
12D 53-54 122 50x62 3 2.55 1.34 1 x x x x x x x x x x x x x x x 2 12D S19 R120 A123 4.9 4400 5/32
13D 53-54 122 50x62 3 2.55 1.34 1 x x x x x x x x x x x x x x x 2 13D S19 R120 A123 4.9 4400 5/32
14A 32-40 249 63x80 0 x x x x x x x x x x x x x x x x x x 2 RY BY BYP 14A MW unknown unknown 3/8
14B 31-40 346 79x90 0 x x x x x x x x x x x x x x x x x x 2 YZ YZP 14B MW unknown unknown
15C 34-40 148 53x67 0 x x x x x x x x x x x x x x x x x x 2 CUX 15C MW unknown unknown
16A 34-40 247 67x70 0 x x x x x x x x x x x x x x x x x x 2 AXF 16A MW unknown unknown 5/16
17A 35-38 249 63x80 0 x x x x x x x x x x x x x x x x x x 2 BYX 17A MW unknown unknown 7/16
17B 31-40 346 79x90 0 x x x x x x x x x x x x x x x x x x 2 WY 17B unknown unknown unknown
18A 39-40 249 63x80 0 x x x x x x x x x x x x x x x x x x 2 UU 18A unknown unknown unknown 7/16
19A 27 247 67x70 0 x x x x x x x x x x x x x x x x x x 2 BYX 19A MW unknown unknown 7/16
19A 32 249 63x80 0 x x x x x x x x x x x x x x x x x x 2 19A unknown unknown unknown
24C 51 147 55x62 0 x x x x x x x x x x x x x x x x x x 2 24C unknown unknown unknown
25_ 41 208 63x66.7 0 x x x x x x x x x x x x x x x x x x 25_ unknown unknown unknown
25A 47 249 63x80 0 x x x x x x x x x x x x x x x x x x 2 25A unknown unknown unknown
25C 51 147 55x62 0 x x x x x x x x x x x x x x x x x x 2 25C unknown unknown unknown
26A 55 249 63x80 1 x x x x x x x x x x x x x x x x x x 2 26A S24/25/B24 R88/R90/R97 unknown 6.5 3000 3/16
26C 51 148 55x62 0 x x x x x x x x x x x x x x x x x x 2 26C unknown unknown unknown
27B 54 342 79x70 1 x x x x x x x x x x x x x x x x x x 2 27B S25 unknown unknown
28B 55 353 75x80 1 x x x x x x x x x x x x x x x x x x 2 28B S24/25/B24 R88/R90/R97 A82 8.5 3500
29C 54-56 147 55x62 4 x x x x x x 2.93 1.8 1.35 1 3.47 2.3 1.35 1 x x x x 2 29C S25 3 130 3.5 R120 A123 5.4 4300 5/32
30C 54-59 147 55x62 3 2.55 1.34 1 x x x x x x x x x x x x x x x 2 30C S19 2.5 80 3.5 R120 A123 5.4 4300 5/32
31A 58-65 246 66x72 4 x x x x x x 3.6 2.18 1.56 1 3.6 2.18 1.56 1 x x x x 2 31A S25/5 3 35 130 3.5 R134 A136 11/64
31C 56-64 148 57x58 34 2.55 1.34 1 3.25 1.7 1 2.94 1.78 1.27 1 3.6 2.4 1.35 1 x x x x 2 31C S19 2.5 35 80 3.5 R134 A136 6.3 5000
32A 60-66 246 66x72 4 x x x x x x 2.94 1.78 1.27 1 3.6 2.18 1.56 1 x x x x 2 32A S25 4 35 140 3.5 R134 A139 11/64
33A 58-59 246 66x72 4 x x x x x x 2.55 1.78 1.27 1 x x x x x x x x 2 33A A389 3.5 25 370 D R134 A139 1/8
34A 60-62 246 66x72 4 x x x x x x 2.55 1.78 1.27 1 x x x x x x x x 2 34A A389 R134 A139 19 6000 1/8
35A 62 246 66x72 4 x x x x x x 3.6 2.18 1.56 1 3.6 2.18 1.56 1 x x x x 2 35A S25 3 35 130 3.5 R134 A139 11/64
36A 62-64 246 66x72 4 x x x x x x 2.55 1.78 1.27 1 0 0 0 0 x x x x 2 36A A389 R134 A139 1/8
37A 65-68 246 66x72 4 x x x x x x 3.6 2.18 1.34 1 3.6 2.18 1.56 1 x x x x 2 37A S25/6 4 35 140 3.5 R134 A139 12.5 5000 11/64
Brooklands SS 25-34 172 57.15x67 0 x x x x x x x x x x x x x x x x x x 2 Y Brooklands SS unknown unknown unknown 8.25 4900
JDL 38-40 98 50x50 1 x x x x x x x x x x x x x x x x x x 2 XX XXA JDL Junior unknown unknown
Junior 34-39 98 50x50 0 x x x x x x x x x x x x x x x x x x 2 SH Junior Junior unknown unknown 7/32
Midget 31-40 98 50x50 0 x x x x x x x x x x x x x x x x x x 2 CY Midget Midget unknown unknown 11/64
Sports 24-32 172 57.15x67 0 x x x x x x x x x x x x x x x x x x 2 T TL Sports unknown unknown unknown 5/16
Starmaker 62-69 247 68x68 4 x x x x x x 2 1.51 1.25 1 2.52 1.66 1.25 1 x x x x 2 STM Amal unknown unknown 0.095
Super Sports 25-26 172 57.15x67 0 x x x x x x x x x x x x x x x x x x 2 XY KZ KZS Super Sports MW unknown unknown 11/32
Super Sports TT 26-32 172 57.15x67 0 x x x x x x x x x x x x x x x x x x 2 BZ Super Sports TT MW unknown unknown 11/32

4 stroke Industrial engines

ID	years	cc	bore-stroke
15/2	64	147	63x47
15_	48	147	63x47
15RG	64	147	63x47
20_	41	208	63x66.7
25_	64	256	70x66.7
40_	57	395	77.8x82.5
D270	64	269	70x70
308H	64	80	46x48
330H	64	34	35x35
D409	64	90	55x38
D415	64	415	80x82.5
410H	64	98	50x50
415H	64	147	63x47
415H	64	147	63x47
420H	64	208	63x47
425H	64	256	70x67
440H	64	395	78x82
444H	64	433	82x82
505H	66	50	43x34
507H	66	75	53x34
512H	66	125	58x47
515H	66	150	63x47
A15	86	146	65x44
C12	74	120	55x50
C28	74	256	70x66.7
C30	69	257	70x66.7
C45	73	433	82x82
C46	73	433	82x82
F12	73	119	59x44
F15	67	147	65x40
F15	73	147	64x44
F17	67	169	70x44