6
B
LEFT HAND NON-RATCHETING
90-883728 JULY 2001 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-57. . . . . . . . . . . . . . . . . . . . . .
Speedometer Tube Installation 6B-58. . . . . . . . . . . . .
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)
Gear Ratio Teeth on Pinion Gear Teeth on Forward and Reverse
Gear
1.87:1 15 28
2.00:1 12 24