A good mounting onto the frame will normally be adequate, but an extra aluminium heatsink is a good way to keep the coil output at maximum even at high temperatures.
The orange wire connects to + supply for negative earth machines or chassis / frame for positive earth machines.
The other wire connects to the negative ignition coil feed.
All parts and accessories are brand new and include VAT where applicable.
Most parts are pattern or aftermarket although some will be genuine but are not always stated as being so.
The use of motorcycle manufacturers' names is for reference purposes only. We do not imply that the products we sell are made by or with the permission of the names listed.