1947 M-73 (ohv). Unique Soviet motorcycle equipped with a sidecar wheel drive and an experimental OHV engine. #750cc #ww2 #worldwar2 #uralbike #russianmotorcycle #1940s #history #military #army #sovietarmy #ural #uralmotorcycle #instabike #instamoto #antique #vintagemotorcycle #classic #retrobike #v … baca lanjutannya ►
1945 M-80, USSR. One оf the first Soviet sports motorcycles of the post-war era. Several samples of M-80 were manufactured, and they participated in competitions in the late 1940s (some remaining photographs bear evidence of this fact). In the summer of 1947 a famous racer Yevgueni Gringaut, the US … baca lanjutannya ►
1960 M-52S, USSR. Manufacturing of M-52S, a road racing model, has started in 1957. This machine had an M-77 chassis; the front fork was equipped with an M-52 wheel axle displaced forward. The engine was an upgraded mass produced M-52 engine. As for the speed performance, the bike was equal to the l … baca lanjutannya ►
1947 M-73 (ohv), USSR. In order to determine an advantage of the sidecar wheel drive, the off-road capability of M-73 has been compared to M-72 (there were two test runs: with sidecar wheel drive on and off) and BMW R-75. BMW R-75 showed the best results excluding the boggy test on which M-73 was a … baca lanjutannya ►
According to the classification of that time, OHV machines were called sports vehicles, and their light-weight, boosted versions intended for competitions were called racing bikes. The road version of the M-75 did not, however, make it to batch production, so that all subsequent work was done foir t … baca lanjutannya ►
1960 M-52S, USSR. Manufacturing of M-52S, a road racing model, has started in 1957. This machine had an M-77 chassis; the front fork was equipped with an M-52 wheel axle displaced forward. The engine was an upgraded mass produced M-52 engine. As for the speed performance, the bike was equal to the l … baca lanjutannya ►
1947 SMZ M-76, USSR ☭. When in 1947 Irbit Motorycle Plant (IMZ) began the production of a sports 750 cc bike M-75, Serpukhov motorcycle plant (SMZ) started its improvement. The new motorcycle with the M-76 index had aluminum cylinders replaced cast-iron, new camshafts and a lubrication system with … baca lanjutannya ►
1947 M-75, USSR ☭. The high-efficiency engine was overheating very often, resulting in the middle cheek of the two-bearing crankshaft to crack; also the flanged lip would fail, with which the cylinder was affixed to the crankcase. Plant workers knew of these disadvantages and they were trying hard … baca lanjutannya ►
1960 M-52S, USSR ☭. Engine is based on an M-72 engine for maximum compatibility with spare parts; a mass produced crankcase having some minor modifications made at the last production stages is used. Diameters of the crankshaft necks & piston pins, piston rollers and separators are all unified wit … baca lanjutannya ►
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