Real Classic

VELOCETTE MAC

Ace Tester Miles has been infatuated with vintage vehicles of late. If anything can tempt him back to a post-war Britbike, it might just be Velocette’s most user-friendly machine…

- Photos by Paul Miles, RC RChive

Ace Tester Miles has been infatuated with vintage vehicles of late. If anything can tempt him back to a post-war Britbike, it might just be Velocette’s most user-friendly machine…

Mention Velocette to any Brit bike enthusiast, or indeed anyone even vaguely aware of motorcycle­s in general, and the response will likely include words like quality, the TT, performanc­e, challengin­g and high cost. And for good reason. Veloce earned their reputation by building race-winning overhead cam singles, 24-hour record-breaking machines and fast roadburner­s built to a very high standard. Problem is, all that costs money but doesn’t really make you any. Then there’s the MAC.

Born in 1934, the result of a happy union

between the recently introduced ohv 250cc MOV and a longer stroke, the 349cc MAC became the longest-serving and one of the most profitable machines ever produced by the factory. For sure, the pre-war Young Turk may have reversed his cap and dreamed about being Stanley Woods winning TTs on his cammy KTT racer, but chances were he was actually riding a MAC. That girder-forked rigid machine, with its iron head and barrel, chugged along, winning hearts and minds right up to the start of WW2, when the machine was modified slightly and sold to the armed forces. After the war, what better to get the country back to work than the little 350 that had served its country so well?

By 1948, the post-war MAC had been upgraded to the brave new world of telescopic forks, and came equipped with the notoriousl­y unreliable Dowty air / oil struts. Working correctly, they could provide a magic carpet of a ride, but pressure loss was always an issue. So for 1951 the MAC displayed Velocette’s own design of convention telescopic forks, and for the first time the engine was of an all-alloy constructi­on; a considerab­le departure from the ride-to-work norm of a heavy BSA B31, for example. By now the customer could choose a lightweigh­t, more sporty-looking bike to ride. Thankfully, somebody did, as our test machine is a fine example of this, the first alloy-engined tele-forked MAC.

This bike is quite typical of a modern restoratio­n. Perhaps the lustrous black paint is a little too shiny and perhaps there are more stainless steel fittings than would be strictly necessary or expected from a 1950s machine, but it should ride and perform in the manner our early 1950s customer might have expected.

Now, I’m an unashamed fan of Velocettes and have come to embrace their apparent bloody mindedness with regards to clutch design and arcane starting rituals. Even so, a bike should start if you follow the correct technique, yet Velos ‘enjoy’ a reputation for being extremely difficult to fire up. Not this MAC though.

Straddling the machine and flooding the Monobloc carburetto­r (it would have been a pre-Monobloc in 1951, but this has the later spec Amal fitted), starting demanded little more than retarding the manual ignition a

tad, followed by three slow priming strokes before giving the lever a sharp prod – and away it went. Having only ever ridden tuned and sporting examples before, this was quite the revelation: an easy starting Velocette, wonders will never cease.

Settling immediatel­y to a steady idle, the alloy lump wasn’t t the quietest engine I’ve ever heard. The new and voluminous design of rockerbox (looking suspicious­ly like an upturned saucepan) can hardly have helpe d with noise abatement, but it seemed quite happy sitting there e, resting on the best sidestand eve er made. Own a rigid Velo and neve er again will you need to worry about parking on soft or uneven ground, such is the design of the footpad. The rear stand would only ever need to be used during g maintenanc­e and is bolted to the mudguard, not spring or clip mounted.

A 350 should be small and light, but the MAC is tiny. Weighing in at around 300lb, the little Velocette feels like a 125 to throw

around; just as well really, as the motor is unlikely to be pumping out more than 16 or so horsepower to push you along. Although few in number, these ponies more than make up the deficit with sheer willingnes­s. Coupled with the lack of mass and directness of feel via the rigid frame, the engine makes the bike feel very lively, or ‘cobby’ as they might have said back then.

It’s all an illusion, of course, as the little MAC isn’t really up to extended motorway or fast A-road work, with a top speed around 70mph and a happy place of approximat­ely one Hoseason (or 55mph in old money). A featherwei­ght clutch that neither slipped nor grabbed, a first on a Velocette for me, and perfectly spaced ratios in the four-speed gearbox helped optimise the performanc­e available, but the post-war MAC rider won’t be scaring any Gold Stars anytime soon.

Used in town or along B-roads and country lanes, as the makers intended, this Velo is among the nicest small motorcycle­s this hack has ever ridden. The then-new telescopic forks are far better at controllin­g the undesirabl­e side effects of modern tarmac than the beautiful pre-war girders (sob) and the blend of easy performanc­e coupled with excellent road holding and fine brakes made every ride a pleasure. Even the dynamodriv­en Miller lighting system offered sufficient candlepowe­r to make evening rides feasible. It didn’t drop any oil, either; I’ve made a note in the diary, I think it’s a sign.

Two years after this little delight first turned a wheel, the range was upgraded with a swinging arm frame, the type used in all subsequent Velocettes until the factory closed in 1971. Then, in 1956 a much altered engine resulted in the sporting 350 Viper being released, with some 28bhp on offer, effectivel­y ending the factory’s desire to build utilitaria­n machines, concentrat­ing instead on their sporting models. The gallant little MAC finally disappeare­d for 1960, leaving the Viper to fight the 350 class alone against the other marques. Nonetheles­s the MAC, produced

in large (for a small company like Veloce) numbers for nearly three decades, was the mainstay of the factory, its plentiful sales subsidisin­g racing activities and helping to get the country to and from work.

There’s undoubtedl­y been a softening of stance towards ownership of the smaller, lighter motorcycle in recent times. Perhaps this is a sign of increasing age among enthusiast­s no longer willing to heave great lumps of vertical twin around or, more likely, acceptance that high performanc­e bikes offer little by way of advantage on our potholed roads, festooned with averagespe­ed cameras. Certainly, it’s easy to see the appeal of a lightweigh­t and nimble bike that’s simple to start, cheap to run and maintain. If you wanted to own a MAC today there are lots to choose from. In the perverse way of things, the later bikes with superior suspension and motors are cheaper to buy than earlier models. Expect to pay anything from £4000 to £7000, depending on the model; this example would be pretty much in the middle of that range.

The overall spares situation is excellent and membership of the owners’ club essential, if only to receive copies of the superb club magazine ‘Fishtail’. Weird flat twins aside, the MAC represents the cheapest way of becoming part of the Velocette family. The 350 costs no more than the ferrously plodding BSA single, yet bestows upon its owner the cachet of a bike sprinkled with the glamorous fairy dust of racing success. And it’s fun to ride. What more could you ask for?

 ??  ??
 ??  ?? Many riders reckon that the Mac is one of the very finest of all Velocette singles. Most of the RC crew do, too
Many riders reckon that the Mac is one of the very finest of all Velocette singles. Most of the RC crew do, too
 ??  ?? Contrary to popular wisdom, Veloce did not decide that the primary chain should run inside the clutch simply to be contrary. They had their reasons. We may have forgotten what they were, however…
Contrary to popular wisdom, Veloce did not decide that the primary chain should run inside the clutch simply to be contrary. They had their reasons. We may have forgotten what they were, however…
 ??  ?? The light aluminium alloy engine which arrived in 1951 featured a redesigned rocker box ‘ensuring positive freedom from oil leakage’, together with new, smooth castings for the timing chest and gearbox covers for ‘clean, modern styling’
The light aluminium alloy engine which arrived in 1951 featured a redesigned rocker box ‘ensuring positive freedom from oil leakage’, together with new, smooth castings for the timing chest and gearbox covers for ‘clean, modern styling’
 ??  ?? Likemuch else with Veloce engineerin­g, the front forks and front brakeappea­r unremarkab­le and simple.Which they are. Theyalso work remarkably­well
Likemuch else with Veloce engineerin­g, the front forks and front brakeappea­r unremarkab­le and simple.Which they are. Theyalso work remarkably­well
 ??  ?? Everything the amateur engineer needs to know about how a Velo single is put together. This is an earlier model than the test victim
Everything the amateur engineer needs to know about how a Velo single is put together. This is an earlier model than the test victim
 ??  ?? One of life’s mysteries is how and why Velocette fitted one of the least attractive toolboxes and the most attractive silencers to their singles. But they did, as seen here
One of life’s mysteries is how and why Velocette fitted one of the least attractive toolboxes and the most attractive silencers to their singles. But they did, as seen here
 ??  ?? For a comprehens­ive explanatio­n about how to set up a Velo clutch, check out the FAQs at velocettec­lassics.com. They’ve done over 8000 miles on an MSS without any adjustment!
For a comprehens­ive explanatio­n about how to set up a Velo clutch, check out the FAQs at velocettec­lassics.com. They’ve done over 8000 miles on an MSS without any adjustment!
 ??  ?? Gently curving cable runs and little to distract the eye. Miller ammeter is almost as large as the 85mph Smiths speedo
Gently curving cable runs and little to distract the eye. Miller ammeter is almost as large as the 85mph Smiths speedo
 ??  ?? ‘First class materials andworkman­ship; thatiswhy so many OldTimers areseenont­he road still giving reliable servicewhe­ntheir contempora­ries are redundant’. Neveratrue­r word spoken by the PR dept…
‘First class materials andworkman­ship; thatiswhy so many OldTimers areseenont­he road still giving reliable servicewhe­ntheir contempora­ries are redundant’. Neveratrue­r word spoken by the PR dept…
 ??  ?? The updated alloy engine also benefited from improved oil flow and an easy-access fabric filter for ‘longer engine life and an even greater performanc­e.’ It didn’t actually go any faster than its predecesso­r, however…
The updated alloy engine also benefited from improved oil flow and an easy-access fabric filter for ‘longer engine life and an even greater performanc­e.’ It didn’t actually go any faster than its predecesso­r, however…
 ??  ?? Someone in the Hall Green design dept was plainly concerned about the headlamp being hit by the front mudguard, so positioned it remarkably high. Curious…
Someone in the Hall Green design dept was plainly concerned about the headlamp being hit by the front mudguard, so positioned it remarkably high. Curious…
 ??  ?? Curious photo of Ace Smudger Miles relaxing while taking photograph­s. We are unsure why…
Curious photo of Ace Smudger Miles relaxing while taking photograph­s. We are unsure why…
 ??  ?? Interestin­g advice from Velocette Classics in Cumbria regarding ignition timing. The specs in the owner’s handbook refer to pre-ethanol petrol. They’ve found that the MAC runs better at one or two degrees less at full advance (so 38-deg BTDC instead of 40-deg) on modern fuels and a standard carb
Interestin­g advice from Velocette Classics in Cumbria regarding ignition timing. The specs in the owner’s handbook refer to pre-ethanol petrol. They’ve found that the MAC runs better at one or two degrees less at full advance (so 38-deg BTDC instead of 40-deg) on modern fuels and a standard carb
 ??  ?? Ace Tester Miles appears to have enjoyed his time with the MAC. As has every owner we’ve ever, ever spoken to, remarkably
Ace Tester Miles appears to have enjoyed his time with the MAC. As has every owner we’ve ever, ever spoken to, remarkably

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