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Mercury FourStroke 3.5 User Manual

Mercury FourStroke 3.5
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Gear Housing
Page 6A-26 90-8M0065421 NOVEMBER 2012
Tube Ref No. Description Where Used Part No.
95
2-4-C with PTFE Shift shaft surface 92-802859A 1
Forward Gear Backlash
Check forward gear backlash as follows:
Apply down pressure on the driveshaft
Push up on the pinion gear (gear floats on the driveshaft)
Rock the forward gear back and forth
A light clicking sound (0.050–0.152 mm [0.002–0.006 in.]) should be heard. If excessive freeplay exists (over 0.30 mm
[0.012 in.]), the gear housing components should be inspected for wear. If no freeplay exists, either the forward gear or forward
gear bearing are not seated properly in the gear housing or the lower driveshaft bearing (above the pinion gear) is positioned
too low in the driveshaft housing.
Propeller Shaft
NOTE: Verify the shift cam is aligned properly in the gear housing.
Install the propeller shaft assembly into the forward gear/bearing assembly.
a - Propeller shaft
Bearing Carrier
Slide the bearing carrier assembly over the propeller shaft. Secure the carrier to the gear housing with two bolts and flat
washers. Tighten the bolts to the specified torque.
a - Carrier
b - Bolts and washers
Description Nm lb‑in. lb‑ft
Bolts with washers 5.6 50
a
a
25641
a
b
25646

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Mercury FourStroke 3.5 Specifications

General IconGeneral
BrandMercury
ModelFourStroke 3.5
CategoryOutboard Motor
LanguageEnglish

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