BSA 650cc Thunderbolt Review

29 Апр 2015 | Author: | Комментарии к записи BSA 650cc Thunderbolt Review отключены

BSA 650cc Thunderbolt Review

Illustrated November 1967

something different? Tired of the old journeys to the coast, stuck in jams, burning the clutch? treat yourself to an Ordnance map, costing only a few from H.M.

Stationery And a BSA Thunderbolt. It’s unlikely you get a Thunderbolt from the HMSO, but a to your local showroom is worth while.

As a combination, a map and a fine bike will the good old days of motorcycling the re­strictions were few and the pleasures

So, armed with some sheets, I filled the four-gallon tank of the big BSA on loan from the and we despatched ourselves early one morning in a westerly direction.

The as you probably know, is the single-carburetter of the twin-cylinder 654 cc BSA range, made the sidecar man in mind. But there are who, with no intentions of adding another wheel, a single-carb machine. Not so fickle, nor do you to worry about synchronisation.

And performance differential is hardly (Mentioning, particularly in ‘these days.

Despite its re-styling, I found the Thunderbolt reminis­cent of the old Flash. If you have a successful formula, why bother to change it?

The 75 mm by 74 mm is identical, but for cams and compression to that of the quicker 654 cc machines. the Spitfire Mk III, the Hornet and the have a 10.5: 1 or, the Thunderbolt—and the surprisingly— has 9.0:1. Gear of the Lightning, Thunderbolt and Spitfire are each having a 20 tooth sprocket, a 47 tooth rearnwheel and a 4.87. 1 top gear.

So, despite the a well-earned one—of the siports the Thunderbolt would never be far

They’re a handsome bunch, Sit astride, and you’ll find looking down at a chromium-plated embrac­ing the lighting switch and and a conventional handle­bar layout. and horn button are incorporated in the grip.

On this model, there is no and the 150 mph speedometer is rubber-mounted at ithe top of the fork-leg.

Gearchange lever adjustable and rear brake are comfortably situated, but I wouldn’t say this was ‘the most machine I had ever ridden. The tank tends to ‘be rather than sleek, one’s knees rather far And I found the suspension, both and rear, to be hard, giving, a long trip, a jarring

This, no doubt, was due to the heavier provided for use with a sidecar, gave the impression of a progressively-hardening

Roadholding is excellent. For a big bike, 391 Ib, it could be cornered with utmost confidence, in both wet and dry conditions. Braking was to match, the 8-dn front unit, could always be relied to retard one’s progress as as was mechanically pos­sible.

Petrol varied from as little as an 42 mpg during a motorway thrashing to as as 65 mpg on my day’s outing. And it isn’t to buy the Super-Extra fuel—the Thunderbolt is drinking the four-star stuff its 1-J-in Monobloc carburetter.

Lighting is, as may be expected, well up to the headlamp always providing power, in keeping with at eight. The horn had a strangely sound, but was always sufficient for other road-users.

So, as I said, we all set for an interesting day, having on a route following Roman many of which laid the for our modern trunk roads and

If you’re a prize chrysanthemum or dahlia-fancier, and you would like a heaven-sent rain to freshen-up li.ttle .treasures, drop me a I couldn’t really be accused of a fair-weather motorcyclist because, only one exception in the past months, it has rained during of my road-tests. Not just rained.

The of stuff that, if Noah was around, would send him to the do-it-yourself shop with an cheque and an order for 15 cwt. of nails. Not that I mind a rain. It’s a lot of it that I to.


It was a (need I say it?) dark, wet when I ruddy awoke the from its dreams of high-speed alomg sunbaked highways and its big engine with a solitary of .the kick-starter, and a half-dosed air The key to the coil-ignition system is situated on the of •the steering head.

We our way through the streets of London at .that hour, seem to be used by car-loads of burly men concrete-impregnated jackets and Wellington with a 10-inch turn-over.

London (Londinium to the Romans), we via the Chiswick roundabout and Kew to Stanwell and down one of England’s oldest the A30, to Staines (Pontes).

In you would never imagine it was a 650 on which you were sneaking except when the throttle is and the acceleration .gives a sharp

From Staines, we continued A30 past Basingstoke. after we forked right on A303 to cruising at a steady 60-65 despite diabolical weather, and beneath great clouds of thrown up by west-bound lorries.

Through Andover, out on the A303 Weyhill (and Thruxton), off to the left and the old city of Salisbury, it over its Plain.

Picking up the A30 to Shaftesbury, we passed through and across the county ‘border Somerset and Yeovil, where a turn will take you up the road to Ilchester (Ischalis). route rarely follows the of the Roman road, which ran Staines to Silchester (Cal-leva), is its approximate counterpart.

And now one is on Fosse truly one of Britain’s oldest up on A429 to Stow-on-the-Wold, Moreton-in-Marsh, in an almost straight line the Through the village of Halford, and in a of a mile or so the A429 bears for Warwick.

In about 200 yards, the bears right and a lane straight ahead. This is the Way proper, and taking it ft like ‘back into history. straight as a …, it carries on for 30 miles to become B4029 before Brinklow.

Turn right here, and you are in 1967, on a modern motorcycle, and still pouring with Down the A5, passing Towcester and along this fine road brings you back North London.

There you If you want an unusual day out, try route. And if you want superb try a BSA Thunderbolt.

But don’t go on the same day as me. you’re a flower-grower, of course.



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