6
B
LEFT HAND NON-RATCHETING
90-855347R1 JANUARY 1999 Page 6B-1
LOWER UNIT
Section 6B – Left Hand Non-Ratcheting
Table of Contents
Gear Housing Specifications (Counter Rotation) 6B-1. .
Special Tools 6B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Housing (Drive Shaft)(Counter Rotation) 6B-6. . .
Gear Housing (Prop Shaft)(Counter Rotation) 6B-8. . . .
General Service Recommendations 6B-11. . . . . . . . . . .
Removal, Disassembly, Cleaning and Inspection of
Counter Rotation (Left Hand) Gear Housing 6B-12. . . .
Water Pump 6B-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bearing Carrier and Propeller Shaft 6B-17. . . . . . . . .
Shift Shaft 6B-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Propeller Shaft 6B-21. . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch Actuator Rod 6B-24. . . . . . . . . . . . . . . . . . . . . .
Forward Gear and Bearing Adapter 6B-24. . . . . . . . .
Pinion Gear and Driveshaft 6B-26. . . . . . . . . . . . . . . .
Reverse Gear 6B-28. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Housing 6B-30. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reassembly and Installation of Counter Rotation
Gear Housing 6B-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driveshaft Needle Bearing 6B-31. . . . . . . . . . . . . . . . .
Bearing Carrier, Forward Gear and Bearing
Adaptor 6B-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reverse Gear Bearing Adaptor Assembly 6B-35. . .
Driveshaft and Pinion Gear 6B-37. . . . . . . . . . . . . . . .
Pinion Gear Depth 6B-39. . . . . . . . . . . . . . . . . . . . . . . .
Reverse Gear 6B-41. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forward Gear 6B-42. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Propeller Shaft/Forward Gear Bearing
Adapter/Bearing Carrier 6B-45. . . . . . . . . . . . . . . . . . .
Water Pump 6B-52. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Lubricant Filling Instructions 6B-55. . . . . . . . . .
Installing Gear Housing to Driveshaft Housing 6B-55
Propeller Installation 6B-56. . . . . . . . . . . . . . . . . . . . . .
Gear Housing Specifications (Counter Rotation)
Ratio Pinion Depth Forward Gear
Backlash
Reverse Gear
Backlash
1.87:1 0.025 in. (0.635 mm)
With Tool 91-12349A2
using Disc #2 and
Flat #7
0.018 in. to 0.027 in.
(0.460 mm to 0.686
mm) Pointer on line
mark #1
0.030 in. to 0.050 in.
(0.762 mm to 1.27 mm)
2.0:1 0.025 in. (0.635 mm)
With Tool 91-12349A2
using Disc #2 and
Flat #7
0.015 in. to 0.022 in.
(0.38 mm to 0.56 mm)
Pointer on line mark
#2
0.030 in. to 0.050 in.
(0.762 mm to 1.27 mm)
Gearcase Lubricant Capacity
All Ratios 22.5 fl. oz. (665.4 ml)
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