BMW R67: history, specs, pictures
Having concentrated on refining what were essentially pre-war designs during the early post-WW2 years, BMW was ready with a new model for 1951. Designated BMW R51/3, the newcomer boasted a totally redesigned, single-cam engine that went into the existing cycle parts. Also new for '51 was BMW's first 600cc model of the post-war era, the R67. Of relatively modest power output, the R67 was intended for sidecar pulling duty and was a far cry from the R66 super-sports roadster of pre-war days. It was swiftly superseded for 1952 by the more powerful R67/2, which was updated with full-width aluminum-alloy hubs and alloy wheel rims when these were introduced across the range for 1953.
Although it was predominant in the 500cc category at home at this time, what BMW lacked was a big-bore sports model able to compete with the 650cc twins offered by British rivals in its chief export market, the USA. Styled like the factory's ISDT machines, the long awaited new sportster debuted at the Frankfurt Motor Cycle Show in October 1951. This was the 594cc R68, readily distinguishable by its restyled valve covers that hinted at the engine's enhanced specification. The latter included bigger valves, needle-roller rocker bearings, high-performance camshaft and larger carburettors, all of which contributed to a maximum power output of 35bhp, which was good enough for a top speed in excess of 100mph.
The show models' high-level exhausts were not carried over to the production R68, which featured low-level pipes equipped with 'fishtails', while for 1953 there were numerous revisions including full-width hubs, alloy wheels rims and cigar-shaped silencers. Replaced by the Earles-fork, swinging-arm framed R50/R69 in January 1955, these final telescopic-fork, plunger-framed models represent the end of an era for BMW motorcycles, of which the high-performance R68 is the ultimate expression.
BMW factory records show that this motorcycle was completed on 28th May 1953 as an R67/2 model and sent to the Test Department to be prepared for that year's International Six Days Trial (ISDT) held in Czechoslovakia. West Germany's five-man Trophy Team was made up of two Maico riders (U Pohl and K L Westphal) and three entered on 594cc BMWs (G Meier, H Roth and W Zeller). Of the BMW riders, Hans Roth and Georg Meier (winner of the 1939 Isle of Man Senior TT for BMW) won FIM Gold Medals while the unfortunate Walter Zeller suffered a broken transmission bevel box – a previously unheard of failure – and was forced to retire. West Germany's Trophy Team finished the competition in 3rd place behind victorious Great Britain and runners-up Czechoslovakia.
It is not recorded which Team member rode this particular R67/2, which after the ISDT was delivered to the Netherlands BMW importer, Nibbrig & Greeve on 5th November 1953. Special ISDT features include a high-level exhaust system, lightweight trials saddle, quick-release wheel spindles, engine protector bars and a gas-bottle tire inflator. Purchased by Willy Neutkens over 30 years ago, the machine currently has R68 cylinder heads and rocker boxes, though when these were fitted is not known.
|Also called||R67 2, R67 3|
|Production||1951 - 1956|
|Engine||two cylinder boxer, four-stroke|
|Bore / Stroke||72.0mm x 73.0mm|
|Top speed||90 mph (145 km/h)|
|Horse Power||27.36 HP (20.4 KW) @ 5600RPM|
|Fuel system||carburetor. bing 24mm|
|Transmission||Gear box: 4-speed |
Final Drive: shaft drive (cardan)
|Suspension||Front: cartridge |
|Brakes||Front: expanding brake (drum brake). duplex full hub |
Rear: expanding brake (drum brake). simplex full hub
|Wheelbase||55.12 inches (1400 mm)|
|Dimensions||L 83.86 inches (2130 mm)|
W 31.1 inches (790 mm)
H 38.78 inches (985 mm)
|Weight||(dry), 192.0 kg (wet)|
|Fuel capacity||4.49 Gallon (17.00 Liters)|
|Fuel consumption||4.60 liters/100 km (21.7 km/l or 51.13 mpg)|
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The BMW R67 3 was a two cylinder boxer, four-stroke standard produced by BMW between 1951 and 1956. It could reach a top speed of 90 mph (145 km/h). Claimed horsepower was 27.36 HP (20.4 KW) @ 5600 RPM.
The bike has a 4-speed transmission. Power was moderated via the dry-single plate-cable operated.
It came with a 3.5-19 front tire and a 3.5-19 rear tire. Stopping was achieved via expanding brake (drum brake). duplex full hub in the front and a expanding brake (drum brake). simplex full hub in the rear. The front suspension was a cartridge while the rear was equipped with a telscopic. The R67 3 was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The wheelbase was 55.12 inches (1400 mm) long.