I don't know how the rear motor would cool either . That layout of motor would be better to be Liquid cooled.. Norton Commando's had trouble with the Inlet rockershafts working in the Alloy Head. Near Impossible to fix. IF the Crank pins are changed from 360 the the single port on the inlet will ...

What British motorcycle gearbox would take two Commandos power through it? It's also a bit too Long to steer well. How are the Cranks coupled? Nev

I can't see how it's a SINGLE crankshaft. Looks heath-robinson to me.

YES That idea has merit. Nev

I've fitted a 4.00 tyre on the rear with the wider rim for A better ride on a few bikes that have a rigid frame. In their DAY, a number of people fitted dual seats. Nev

The translation is not that Helpful. With a car you have to have the outside (tin) good but with A Bike you see everything. When you see one Look for tell tale signs of lot of use Like the brake pedal worn or the Gearbox kicker loose in it's bushes or on the splines. Fork bushes Loose at full ...

IF the Mag Platform is worn you have to weld up the faces and get them level again or it will want to fall to the Worn Position.. You find these things out the Hard way Usually. Alignment and chain adjustment is critical . More Load where a Magdyno is fitted. Nev

With Ariel,the Later 500 OHV SINGLE models fit the BAP and the CP are used in 35O's and are considerably lighter and could be used in a Trials bike. Till 1938 the Valves were not fully enclosed and lubricated. They are Much harder to get Heads for. A single Port Head is better and less cost for ...

Don't buy a Worn to a frazzle, damaged or corroded Bike. It's a Buyers Market today. Take your time and buy well. A good petrol tank is a Must. At your (Tender) age and fitness you will be able to Kickstart a 500 OHV single. IF you learn how. The Magdyno MUST be good and unbutchered. I'd stick to ...

It's no good for holding compression if holes are already drilled in the Piston at the base of the Oil groove. Worse if its slotted. Holes can be plugged. Nev