Replacing Gearbox Mainshaft Bearings; Checking Countershaft For Wear - BMW F 650 GS Repair Manual

Checking countershaft for wear

A
Wear limits:
"A" Shaft diameter, magneto side
........................................min. 16.98 mm (0.669 in)
"B" Shaft diameter, clutch side
........................................min. 24.97 mm (0.983 in)
Inside diameter of bearing seat 4th gear sliding
gearwheel .......................max. 25.53 mm (1.005 in)
Runout .................................... 0.02 mm (0.0008 in)
11 11 205
bearings
B
F230070
L
To protect the gasket surfaces of the engine block,
place the old gasket under the bearing puller.
Always renew the mainshaft sealing ring.
•
Heat the left of the engine block to 80 — 100 °C
(176 — 212 °F).
•
Using bearing puller plate, BMW No. 11 6 561,
spindle, BMW No. 11 6 562, and spreader
sleeve, BMW No. 11 6 564, pull off the ball bear-
ing.
•
Drive out the mainshaft sealing ring from the in-
side.
•
Heat the right of the engine block to 80 - 100 °C
(176 - 212 °F).
•
Working from outside and using a suitable sock-
et, press the bearing through to the other side.
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
•
To install the bearings, heat the engine block to
80 - 100 °C (176 - 212 °F).
Replacing gearbox mainshaft
11 6 562
11 6 561
11 6 564
Note:
E230040
23.11