8-81
LOWR
Lower unit
Shimming (counter rotation model)
Shimming workflow
TIP:
• If the backlash is within specification, shimming is not required.
• When assembling the original inner parts and a new lower case, shimming is required.
• When replacing the pinion, forward gear, reverse gear, bearings, drive shaft, or propeller shaft
housing, shimming is required.
Remove the water pump
assembly and cover.
Measure the backlash before
disassembly.
Within specification?
Shimming is not required.
Disassemble the lower unit.
Select the pinion shims (T3)
and propeller shaft shims (T4).
Assemble the lower unit.
Measure the backlash.
Within specification?
Install the water pump
assembly.
Adjust the forward gear shim
thickness (T2) and reverse gear
shim thickness (T1).
YES
NO
NO
YES
Summary of Contents for F225F
Page 1: ...SERVICE MANUAL 6CE 28197 3N 11 F L 225F F L 250D F L 300B ...
Page 4: ......
Page 54: ...1 31 SPEC Specification MEMO ...
Page 89: ...2 34 Lower unit 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 263: ...6 28 Canister 0 1 2 3 4 5 6 7 8 9 10 A j k f b ...
Page 477: ...8 98 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 537: ...9 58 PTT cylinder 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 562: ...A 1 MEMO ...
Page 565: ......
Page 566: ...May 2010 1 ABE E_1 YAMAHA MOTOR CO LTD ...
Page 576: ...A 13 ...