SeaDoo Rotax 1503 4-Tec 2005 - Page 107

Section 01 ENGINES (1503 4-TEC)
Subsection 07 (CYLINDER BLOCK)
R1503motr11A
1
2
1. Balancer gear
2. Crankshaft timing gear
Crankshaft Radial Play
Measure all crankshaft journals. Compare to in-
side diameter of crankshaft bearings (elsewhere
in this section).
1
R1503motr13A
2
1. Micrometer
2. Crankshaft area for bearing
CRANKSHAFT JOURNAL DIAMETER mm (in)
NEW MINIMUM
49.991 (1.9681)
NEW MAXIMUM 50.01 (1.9689)
SERVICE LIMIT 49.95 (1.9665)
CRANKSHAFT JOURNAL RADIAL
CLEARANCE mm (in)
SERVICE LIMIT 0.07 (.0028)
Crankshaft Pin
Measure all crankshaft pin diameters. Compare to
inside diameter of connecting rod bearings (else-
where in this section).
R1503motr14A
12
1. Micrometer
2. Crankshaft pin area for bearing
CRANKSHAFT PIN DIAMETER mm (in)
NEW MINIMUM 45.032 (1.7729)
NEW MAXIMUM 45.048 (1.7735)
SERVICE LIMIT
45.029 (1.7728)
CRANKSHAFT PIN RADIAL CLEARANCE mm (in)
SERVICE LIMIT 0.09 (.0035)
Crankshaft Axial Clearance
When assembling the cylinder-block, measure the
crankshaft axial clearance:
102 SMR2005-037
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