Frame |
|
Model |
MAC |
Viper C/man |
Viper |
MSS |
Venom |
Venom C/man |
Thruxton |
Scrambler |
|
Front wheel size |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM1 x 21 |
|
Rear wheel size |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM2 x 19 |
WM3 x 19 |
|
Front tyre size |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.00 x 19 |
|
|
Front tyre pressure |
* |
* |
* |
* |
* |
* |
* |
* |
|
Rear tyre size |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
3.25 x 19 |
|
|
Rear tyre pressure |
* |
* |
* |
* |
* |
* |
* |
* |
|
Wheel lateral runout |
0.0625" |
0.0625" |
0.0625" |
0.0625" |
0.0625" |
0.0625" |
0.0625" |
0.0625" |
|
Max wheel eccentricity |
0.020" |
0.020" |
0.020" |
0.020" |
0.020" |
0.020" |
0.020" |
0.020" |
* Note modern tyres, even modern traditional tyres, require higher pressures. Please contact manufacturers for advice
Veeline models add an extra 1psi
For each additional 14lb. rear, 28 lb. front carried above 170lb rider, add an extra 1psi per tyre
Wheel Offsets
The following offsets apply to all types of spring frame hubs (except Scrambler) when being built with WM2 rims
Front 9/16 inch from drum face to edge of rim
Rear 9/16 inch from machined face on nearside of hub (with brake drum removed) to edge of rim
|
Model |
MAC |
Viper |
Viper |
MSS |
Venom |
Venom |
Thruxton |
|
Size front |
7” X 1” |
7.5” X 1.5” |
7.5” X 1.5” |
7” X 1” |
7.5” X 1.5” |
7.5” X 1.5” |
7.5” X 1.5” |
|
Lining area |
10.75 sq” |
23 sq” |
23 sq” |
10.75 sq” |
23 sq” |
23 sq” |
23 sq” |
|
Size rear |
7” X 1” |
7” X 1” |
7” X 1” |
7” X 1” |
7” X 1” |
7” X 1” |
7” X 1” |
|
Lining area |
10.75 sq” |
10.75 sq” |
10.75 sq” |
10.75 sq” |
10.75 sq” |
10.75 sq” |
10.75 sq” |
|
Original material |
MR41 |
MR41 |
MR41 |
MR41 |
MR41 |
MR41 |
MR41 |
|
Brake cam lever max wear between shaft / bush |
0.010" |
0.010" |
0.010" |
0.010" |
0.010" |
0.010" |
0.010" |
|
Max shaft wear |
0.006" |
0.006" |
0.006" |
0.006" |
0.006" |
0.006" |
0.006" |
|
|
Imperial |
US |
Metric |
|
Fuel |
3 or 4.25 gallons |
3.6 or 5.1 gallons |
13.6 or 19.3 litres |
|
Oil |
0.5 gallons |
0.6 gallons |
2.27 litres |
|
Gearbox |
1 pint |
1.2 pints |
0.56 litres |
|
Chain Case |
0.125 pint |
0.15 pints |
71 cc |
|
Front Fork - Single Damped |
0.125 pint |
0.15 pints |
71 cc |
|
Front Fork Double Damped |
0.211 pint |
0.25 pints |
120 cc |
|
Part No. |
|
Application |
RHP |
Hoff |
R&M |
SKF |
FBC |
|
B22 |
35 x 70 x 10 |
Sleeve gear, |
98207 |
L35N |
KLNJ35 |
98207 |
6007 |
|
B23 |
0.5 x 1.625 x .625 |
G/Box Mainshaft |
MJ1/2 |
MS5 |
MJ1/2 |
RMS4 |
MS5 |
|
B22/3 |
0.625 x 1.5625 x 0.4375 |
G/Box Layshaft |
LJ5/8 |
LS7 |
LJ5/8 |
RLS5 |
LS7 |
|
KS18/3 |
0.875 x 2 0.5625 |
Front/Rear Hub |
LJ7/8 |
LS9 |
LJ7/8 |
RLS7 |
LS9 |
|
M87/3 |
1 x 2.25 x 0.78125 |
Vm,VR, MSS Mains |
|
|
|
(K00079X-K0154X or Timken |
|
|
LE532 F32/3 F32/4* Replacement
|
1 x 2 x 0.591 |
VM, VR, MSS Taper Roller Steering Head |
|
|
|
K07100S-K072101 or Timken |
|
|
|
|
Miller Dynamo Bearings |
|
|
|
62002RS and 62022RS |
|
A number of Oilite bushes used in Velocette motorcycles are now not easily obtainable at bearing factors. Therefore in the table below I have given the part number for the nearest commonly available bush, together with machining instructions.
| Part Number | Discription | Nominal size | Oilite or Glacier Part Number | Note |
|
FA3/5 |
Trunnion Bush |
1 1/4 X 1.402 X 1 1/4 |
SWB4010 |
Glacier Standard part number Glacier composite bearing part number |
|
W71 |
Front Brake Bush |
1/2X 5/8 X 15/16 |
AI081016 |
Turn 1/16 inch off the end of the bush |
|
LE377 |
2LS Front Brake Bush |
1/2 X 5/8 X1/2 |
AI081010 |
|
|
S68 |
Rear Brake Bush |
5/8 X 3/4 X 9 /16 |
AI101210 |
Turn 1/16 inch off the end of the bush |
|
LE215 |
Fork Slider top Bush |
1 1/4 X 1 1/2 X 1 |
AI202416 |
Original bushes were slightly shorter with a machined grove to allow the oil to seep back to the fork leg. Only suitable for the 1.250 dia. stanchions. |
|
LE216 |
Front Fork Tube Bush |
|
|
|
More information can be found here
|
Description |
Dimension | Note |
|
Wheelbase |
53.75” |
|
|
Steering head angle |
63 degrees |
|
|
Steering head bearing balls |
0.250” x 19 |
|
|
Swinging arm trunion dia |
1.250” Tapering from +0.002” to - .002” |
|
|
Bushes |
1.250 x 1.4072 x 1.250 |
See bushes below |
|
Ream |
1.250 + 0.00075 – 0.00025 |
|
|
Girling units Pt. No. 4305 Damper Pt. No. 4461 - Between centers extended - Between centers compressed Damper Pt. No. 6072 - Between centers extended - Between centers compressed Spring Pt. No. 9054163 - Length - Rating Dirt shield Pt. No. 64533025A Top bush Pt. No. 64533659 Bottom bush Pt. No. 64530094
|
13.2” 10.1”
13.14” 10.8” 8.4” 126 lb. net |
|
|
Description |
Dimension |
Wear |
|
Stanchion diameter up to VM6362, VMT 506 |
1.240” |
|
|
Stanchion diameter from VM6362, VMT 506 |
1.250” |
|
|
Stanchion bush to bore clearance |
0.001” – 0.0015” |
|
|
Stantion bush to bore wear |
|
0.006”, maximum 0.003” per component |
|
Damper rod diameter |
0.3125” |
|
|
Damper bush bore |
0.313” |
0.004” |
|
Damper piston outside diameter |
0.623” |
0.004” |
|
Damper pistons inside diameter |
0.437” |
|
|
Damper valve |
0.432” |
|
|
Fork slider bore |
1.374” |
|
|
Slider bush housing bore |
1.500” |
|
|
Interference fit of bush |
0.0005 – 0.001” |
|
|
Bottom bush register |
.190” |
|
|
Fork oil capacity SAE 20 single damped |
71cc |
|
|
Fork oil capacity SAE 20 double damped |
120cc |
|
| F252 Fork Spring - Solo (22 coils) | 10" | 9.5” minimum length |
| F252/2 Fork Spring - Sidecar (19 coils) | 10" | 9.5” minimum length |
| F252/3 Fork Spring - Scrambler (22 coils) | 11" | 10.5” minimum length |