Service Manual

5. Inspect hub, shifter, synchro keys, and synchro
springs:
A. Inspect hub for worn or damaged spline.
B. Inspect shifter for chipping or damaged chamfer
.
C. Inspect synchro keys for wear or damage.
D. Inspect synchro springs for wear or damage.
E. The shifter should move freely on the hub.
F. Measure the clearance between shifter groove
a
nd fork. Replace shift fork if the clearance exceeds
.039” (1.0 mm).
Figure 57
6. Inspect main shaft:
A. Inspect main shaft for worn
or damaged surfaces.
If O.D. of needle bearing surface is less than .864”
(21.95 mm), replace the main shaft.
B. Inspect lip portion of oil seal for wear or damage.
NEEDLE BEARINGS
C. Inspect main shaft input spline for wear or dam-
OIL SEAL AREA
age.
INPUT SPLINE
Figure 58
IMPORTANT: The center plate has one tabbed shim
(Item 4) with three tabless shims (Item 2) (Fig. 59).
7. Inspect retaining ring (item 3) and shims (items 2 and
3
4) for damage (Fig. 59). Replace all parts if any compo-
nent is cracked or broken.
1
2
Figure 59
Drive Train
Multi Pro 1200/1250 Page 7 – 39 Drive Train
4