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 ►
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 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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