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The fifth speed shift fork on B/S 175 has been modified after serial No. l6B04739. The changes include a
guide pin in the crankcase, a new shift fork and 5
th
gear B. The new shift fork and gear are interchangeable
in sets only. When installed in old style crankcase, the shift fork is not connected to a pin.
First Gear:
With the First Gear A on the countershaft remaining in position, the Third Gear B on the driveshaft slides
to the right and the claws engage with the First Gear B.
Engine power is transmitted in the order of driven gear-clutch-countershaft-First Gear A-First Gear
B-Third Gear B-driveshaft and drive sprocket.
Second Gear: