Submitted by paul_reynolds on Fri, 16/08/2019. The 600cc 99SS lasted just one year before it was replaced by a full 650cc sports machine, the 650SS. John Lawless. 1967 Norton AtlasClaimed power:49hp @ 6,800rpmTop speed:110mphEngine:745cc air-cooled OHV parallel twin, 73mm x 89mm bore and stroke, 7.6:1 compression ratioWeight (dry):395lb (180kg)Fuel capacity:3.2gal (12ltr)Price then/now:$1,050(est.)/$4,000-$12,000. (Though Philip Vincents Series B, which had no frame at all, certainly warrants a mention!) Registered Office: 5 Walsall Street, Wednesbury, West Midlands WS10 9BZ,
I can imagine the Lawless bike is going for a pretty penny, but then, Lyster frames are rare relics of a revolutionary time in road racing. It was at the Silverstone track in 1950 that works racer Harold Daniell made the now famous comment that the new McCandless Manx was like riding on a feather-bed. The name stuck. Frames and engines were numbered at It was finished in black and chrome like the 650SS. Submitted by ron_mcelroy on Sat, 17/08/2019. 1967 was a crossover year for the Atlas, and while Kellys 67 retained its original Lucas K2F magneto and Amal Monobloc carburetors, Kelly opted to go for the late-1967 model year battery/coil ignition setup, and fitted new Amal Premier Concentric carbs. "non matching" The rear subframe (for the shocks) are straight tubes in a wideline. On

//-->Latest" + moelements[i].innerHTML; inevitably be an incomplete inventory (many bikes lost, not everybody The 88 benefited from a larger 8-inch front brake in 1954, and a light alloy cylinder head and an Amal Monobloc carburetor in 1955, when it was joined by the Dominator 99. In 1972 and '73, I worked at one of their East Coast retail stores. Successful testing was carried out at the Montlhery circuit in France and at the Motor Industry Research Associations test track in England. Can anyone tell me how to recognize a Norton frame? I strongly believe that we are going to need to see pics of this bike that clearly show the frame. It turns out that it is a Colin Lyster frame and it is one of his old race bikes. Looks like a replica frame from the States. Hi Paul, I'm missing a swinging arm (and many bits besides) slowly building up the parts I need to complete the bike, but very much on a budget until the insurance company pay out on the last one my email address is if you have pictures or prices for you spares? With a 7.4:1 compression ratio and 1-1/16-inch Monobloc carb, the 99 produced 31 horsepower at 5,750rpm and would top 100mph. [CDATA[// >
numbers. crankcase half. I'm told it was a replacement frame for a Mercury, shipped to USA. All of the Slimline frames were welded. Also, if you look closely at the top edge of the small triangular frame plate behind the steering head you should be able to make out a date, month/year. He set to getting parts powder coated and chromed, and degreased the engine and gearbox. I have found different casting numbers on head stock and saddle The Matchless influence manifested itself through the 1960s in a range of hybrid machines using the Atlas engine in AMC running gear but thats a whole other story. Fed by a single 1-inch Amal carburetor, the 88 produced 29.5 horsepower at 7,000rpm and was good for 92mph. But that didnt prevent Norton running into financial problems, and in 1952 Associated Motor Cycles bought the company. The bike has what I believe to be a 64 unit 650 T120 engine. But just like the Manx itself, the glory days for Seeley, Rickman, Lyster and such were numbered. Lyster made frames for the CB450 (and an 8-valve head/500cc conversion kit), one thing led to another, and IMI began importing Lyster frames. } casting. and the MC added in the list accordingly. When IMI went under (1975, I think), Ed Labelle Engineering bought the old Lyster stock. This wil It should be preceded by a model code. That was my reaction too, never heard of the guy. Though Kellys Atlas is a 1967 model, he decided he wanted to paint it black, which was an optional color for 1966 models. The frames were quite lovely. Another unusual feature was the chain adjustment. The only identifying mark I can find is on the gusset below the headstock (99546). All Atlases now had 12-volt alternator electrics, but retained magneto ignition (though battery-optional capacitive discharge coil ignition was introduced in 1967).

Its a well-known story, but it bears repeating. l was very careful with attention to detail with small things, like using brass ferrules instead of screw clips for the rubber oil and gas lines. Among the more difficult parts to find were the 1-5/8 inch exhaust headers. ]]>, -1 && mo1 < 50) ){ On the downside, the primary chain had let go at some time, making a mess of the case, and the sheet metal parts were in rough shape. the bikes based on the contract numbers is a tricky issue. Repop frames are NOT a big thing here in the USA.Why make them when still quite affordable here? The swingarm bolts up through this plate and the numbers would be stamped in a vertical pattern. The hemi-heads were arranged with parallel intake tracts and widely splayed exhausts for better cooling. individual numbers at front lower cross brace (left hand side when Though the Lysters are less well known, any special from that period should be pretty collectible these days. Buyer beware these days on old stuff. I was way off thinking that it might be a Norton frame. Not many production motorcycles are notable for the frames they use. If anyone has these numbers, please add them. 1960 saw the introduction of semi-enclosed de luxe versions of the 88 and 99 (a fashion of the time, like Triumphs bathtub enclosures), while the Featherbed frame was modified to improve ergonomics by bringing the top tubes closer together at the front of the seat (the slimline). for (var i = 0; i < moelements.length; i++) { Lyster frames were imported to the US by International Motorcycles Inc. into Lancaster, PA, during the very late '60s and early '70s. if ( sel.options[i].value == "17" ) { Big-Hearted Beezer: BSA/Ariel Flash Four, Nestling an Ariel Square Four engine into a BSA A10 Golden Flash frame creates the Flash Four.. Rex was also one of the best known and most successful motorcycle racers in Ireland, but was dissatisfied with the lack of suspension in the rigid-rear frames fitted to most motorcycles at the time. However, the Featherbed frame, which was always manufactured at Reynolds under the supervision of frame guru Ken Sprayson, was much more expensive to make than the Model 7s, so only export markets (especially the U.S.) got the new frame at first. Thanks to all who helped. Thanks again for your time and knowledge. Kelly bought the last stock pair at RGM Norton in Cumbria, U.K. ( I had the bike on its wheels in late January 2017, Kelly says. I now had a growing pile of mint Norton parts ready for assembly, Kelly says. Fitted with dual 1-1/16 Amal Monoblocs and 8.9:1 compression, the 650SS claimed 49 horsepower at 6,800rpm. rear shock mounts, right side top frame rail (pump mount).

I agree that the bike is interesting. viewed from the front). I have no monetary interest in the deal, but I will pass along any interest. But perhaps only the Featherbed has achieved legendary status. Given. So for 1961 Norton presented super sport SS versions of the 88 and 99, with new downdraft-intake cylinder heads, dual Amal Monobloc carbs and higher compression (8.5:1 and 8.25:1, respectively) for 36 horsepower at 7,000rpm and 44 horsepower at 6,750. pretending to know it exactly! ]]>, New info for 2023 NOC International Rally in Sweden, Taverners Founders Day meeting on Sunday 24th July, Donington CRMC Classic Festival 30th and 31st July, Surrey Branch at the Kenley Show - 4th September, NOC National Rally - The Friars - Aylesford 15th to 18th September 2022. The crankshaft journals were also stock size, so Kelly concluded it had relatively low miles. is on the left hand front petrol tank frame lug Norton did not make a distinction here to separate 16H and Big 4's. I believe that the bike in that video is the one that I have been looking at. If that number was correct, it would indicate a 1961 frame. Please contact Customer Care at 1-800-880-7567 or visit Customer Care below. Unfortunately, many people are doing it, and even the best of us get caught sometimes. },,,,,, On the front fender was a decal, Port Alberni Toy Run 1993. Kelly remembered taking part in the same ride and seeing the Atlas, which was then in mint condition, with the gas tank painted in British Racing Green. if (emelements[i].getAttribute("src") === "smiley_smile.png") { Plus they do not look like those used bythe Norton factory. The crankshaft was built up from two separate halves bolted together through a central flywheel and running on a drive-side roller and timing side ball bearings. I'm wondering if this has happened with the BIG4's as well. I am guessing that it is a Triton that was done a while ago. Piston crowns were dished to reduce compression to 7.6:1, and with its single 1-1/8 Monobloc carb the Atlas produced 49 horsepower at 6,800rpm, the same as the 650SS, but in a more relaxed manner. When the Featherbed was introduced on production machines it was made from mild steel, with the rear section bolted in place. With the tanks removed the difference will be obvious: The frame number for a Featherbed frame would be stamped on the drive (left) side frame plate behind the engine. on a contract date in one year could very well have been delivered the After partnering with fellow racer Artie Bell, McCandless began offering conversion kits and modifying frames for other riders. Frame casting numbers are found at the left, aft side on the steering Each frame had a box structure bracing the tubing around the swingarm pivot. They had limited information on it, except that they had bought it back from the States. One that I am interested in is a Triumph that he calls a Cafe Racer type. Initially, not much changed except that Norton no longer fielded a full Grand Prix team. But the chassis, fork, wheels and gearbox were in good condition. The Atlas was intended for the U.S. market, so it was tuned for a broad powerband rather than outright power. } } After inspection, the cylinder head was bead blasted and the engine and gearbox cases were cleaned with bronze wool to preserve the sandcast finish. engine numbers were matched and given a Big 4 model specific "S" fixture. sel.options[i].style.display = "none" The frame came through Kursaal Klassics in Southend on Sea. Replace the master cylinder on your vintage British bike to get a more responsive front brake. From that angle it could be either frame as you can't see how the top frame rails turn in on the slimline. It has a welded fork stop so it is later style (65+), whether real norton or not. (See pictures below). } The Atlas continued for export only until 1964. The engine number is found on the left top corner of the left hi all, Ive recently picked up a slimline featherbed frame as abit of a project (triton) and im having trouble with the frame numbers, as some kind soul has decided to drill through the left frame gusset! Help with Norton featherbed frame numbers. Bead blasted LH rear lower frame gusset ( looking for frame number tampering). As far as l know the dished pistons are not available from any parts supplier. Most Atlas restorers are stuck with using the flat-top Commando pistons, which work perfectly but have higher compression which increases engine vibration. He fitted it to his race bike, and it worked. for (var i = 0; i < emelements.length; i++) { next year.

In the early postwar years, reports of the McCandless conversion and its racing successes reached the mainland, eventually attracting the attention of Nortons managing director, Bill Mansell. Looks Tig welded, not Sif Bronze brazed.

Drive to the Norton/Sturmey-Archer 4-speed gearbox was via a single chain and multiplate clutch. It was interesting, but over priced. The good news is it was an all matching number bike (frame, engine and gearbox), making it the perfect base for a restoration. The single camshaft was located at the front of the engine with chain drive from a half-time gear. Well I finally identified the mystery frame and bike. They brought in everything from fiberglass tanks, seats and fenders to disc brake kits to 5-speed transmissions (Quaife maybe, not sure) for the then-4-speed CB450 Honda. Bikes made The Motor Cycle News tester liked the top speed of around 110mph, with fuel consumption of close to 40mpg (U.S.), but they also noted vibration around 5,000rpm, although the bikes tall gearing meant this wasnt an issue at cruising speeds. motorcycle fixing. In 1956, the gearbox of both models was changed to the AMC type and an improved clutch was installed. The bike is weathered, but it looks really neat. We had at least 5 different Lyster frames in stock. Their home run item was a springer front end that they had made in England (total junk, almost all of them broke, probably sank the company). The numerals are slightly larger, thinner and lacking the tail points generally seen. The light alloy connecting rods had split big-end caps with plain bearings. } Now settled back in British Columbia, Kelly has built a reputation for concours level Commando restorations but he had never tackled an Atlas. It has an alloy road race type tank and some exotic looking front forks and brake. It was likely the arrival of Triumphs Bonneville 650 in 1959 that prompted Nortons next move. And he had on the shelf a brand-new set of Jones chrome wheel rims (Dunlop and Jones supplied most of the wheel rims used on British motorcycles up to the 1970s). Reader letters about troubles with new and second-hand bike sales, as well as a recommendation from a longtime writer. A few years back, he rode a 650 Mercury across Canada from Vancouver to Toronto on his way back to his native England. var moelements = document.getElementsByClassName("more-link"); By that time there were just two Nortons left on sale with the Featherbed frame: the Atlas and a single-carburetor 650cc machine, the Mercury. Kelly decided he could build a concours-winning Atlas from the 1967 model, using donor parts from a basket case 1966 Atlas and a crashed 1968 Mercury. written consent unless it is a museum piece or publicly advertised MC. only valid position for a I have a spare swinging arm for a Slimline frame, lots of other bits too! [CDATA[// >
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