NSM Nut and Screw Size Guide
Adapted, with kind permission, from the original page at Beedspeed.
Kick-Start Lever PX, T5, Rally, Sprint           8mm
Kick-Start Lever Bolt V50, Prim, PK              9mm x 1.25

Rear Hub PX1 , Rally, Super, Primavera           14mm x 1.50 pitch
Rear Hub PX1 / EFL Changover period              16mm x 1.25 pitch
Rear Hub PX EFL, Disc, T5, PK                    16mm x 1.25 pitch
Front Hub Nut V50, Prim                          14mm x 1.5mm pitch
Front Hub Nut Rally, Super                       14mm x 1.5mm pitch
PX1 Front Hub                                    12mm x 1.5mm pitch
Front Hub Nut EFL/T5                             14mm x 1.5mm pitch
Front Fork Steering Bearing Top Nut              30mm x 1.5mm pitch
Wheel Rim                                        8mm

Handle Bar Clamp Bolt and Nut                    M10 x 1.5mm pitch
Headset Top Screw PX, T5, PK                     5mm
Headset Top T5  Screw                            Self Taper No.6 x 5/8ths
Speedo Thread V50, Prim, Super, Italian          11mm x .75mm pitch
Speedo Thread V50, Prim, Super, Indian           10mm x 1mm pitch
Speedo Thread P125X, P150X, P200E, LML           16mm x 1mm pitch
Stand, Brake Pedal and Front Mudgaurd            6mm

Cylinder Head PX125, 150, Prim, PK               7mm
Cylinder Head P200/T5                            8mm
Cylinder Exhaust Stud T5                         8mm
Cylinder Exhaust Stud V50, Prim, PK              6mm
Cylinder Exhaust Stud V00 Sport / ET3            8mm
Large Exhaust Bolt PX, T5, Rally, Sprint         10mm x 1.5 pitch x 80mm
Large Exhaust Bolt V50, V90, V100                10mm x 1.5 pitch x 20mm
Large Exhaust Bolt PK                            8mm x 75mm
PX/PE/T5/Super/Rally/ Engine Bolt                14mm x 1.5mm pitch
V50/Prim/PK Engine Bolt                          10mm x 1.5mm pitch
Rear Shocker Lower Bolt PX, Prim, PK, Super      9mm x 1.25 pitch x 65mm
Rear Shocker Lower Bolt PX Disc, T5              10mm x 1.5 pitch x 70mm
Engine Case and Selector Box                     7mm
Fly Cowling                                      6mm
Stator Plate Screw                               5mm

Toolbox                                          5mm
Petrol Tank V50, Prim, Rally, Sprint             7mm
PX, EFl, T5 Petrol Tank Bolt                     8mm
PX, PE, T5 Seat Bolt                             8mm
PX, PE, T5 Seat Pillar Thread                    8mm

Rally, Super , V50, Prim, PK Seat Bolt           7mm
Rally, Super, V50, Prim, PK Seat Pillar Thread   7mm
V50, PX, Rally Gear + Clutch Cable Adjusters     5mm
Rear Brake Cable Adjuster                        7mm

PX Front Mudguard
3x     M6x25mm    Bolts
1x     M6x10mm    Pan Head
4x     M6         Nuts
8x     M6         Flat Washers

PX Fly/Head Cowl
5x     M6x15mm    Flywheel Cowling Screws
1x                Self Taper and Speed Clip
1x     M7x15mm    Head Cowling Bolt  PX125, 150, Sprint, Super
1x     M8x15mm    Head Cowling Bolt  P200, T5, Rally 200

PX Indicator Fittings
4x     M4x30mm    Counter Sunk
4x     M4         Flat Washers
4x     M4         Nylock Nuts
4x                Self Tapers No 6
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