Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 300Get this manual
DF60DF70 "K4" ('04) model 11- 19
Optimum tooth contact The optimum tooth contact is shown in the figureA shim adjustment may be necessary to obtain the optimum tooth contact pattern
Optimum tooth contact approx13 of tooth width approx1 mm HEEL
The backlash of the gear should be checked when increasing or decreasing the thickness of the shim to adjust tooth contactExample (1) Incorrect topside toe contact: Correction measures: Decrease the thickness of the forward gear shim Slightly increase the pinion gear shim thicknessDo not set tooth contact in the top side toe contact positionDamage and chipping of the forward and pinion gear may resultExample (2) Incorrect bottom side toe contact: Correction measures: Increase the thickness of the forward gear shim Slightly decrease the pinion gear shim thicknessDo not set tooth contact in the bottom side toe contact positionChipping of the pinion gear may resultCHECKING DRIVESHAFT THRUST PLAY See the page 9-26