16 ENGINE 131
304514-10
– Preassemble the shift shaft. ( p. 131)
– Check the play F between the sliding plate and the shift quadrant.
Shift shaft – play in sliding plate/shift
quadrant
0.15… 0.45 mm (0.0059…
0.0177 in)
» If the measured value does not equal the specified value:
– Change the shift shaft.
16.4.20 Preassembling the shift shaft (125 Duke)
304512-10
– Fix the short end of the shift shaft in a vise.
Guideline
Use soft jaws.
– Mount sliding plate 1 with the guide pin facing down and attach the guide pin to
the shift quadrant.
– Mount preload spring 2.
– Push on spring guide 3, push return spring 4 over the spring guide with the offset
end facing upward and lift the offset end over abutment bolt 5.
– Mount washer 6.
16.4.21 Disassembling the main shaft (125 Duke)
305899-10
– Fix the main shaft in the vise with the geared end facing downward.
Guideline
Use soft jaws.
– Remove stop disk 1 and 2nd-gear fixed gear 2.
– Remove the 5th-gear idler gear 3.
– Remove stop disk 4.
– Remove lock ring 5.
– Remove 3rd/4th-gear sliding gear 6.
– Remove lock ring 7.
– Remove stop disk 8.
– Remove collar bushing 9.
– Remove 6th-gear idler gear bk.
– Remove stop disk bl.