Polaris Ranger 500 2x4 2007, Service Manual

Page: 63 / 345

3.4
ENGINE
Engine Service Data
Cylinder Head / Valve EH50PLE
Rocker Arm
Rocker arm ID .8669-.8678”(22.020-22.041 mm)
Rocker shaft OD .8656-.8661 (21.987-22.0 mm)
Rocker shaft Oil Clearance
Std .0008-.0021” (.020-.054 mm)
Limit .0039” (.10 mm)
Camshaft
Cam lobe height
In
Std 1.2884-1.2924" (32.726-32.826 mm)
Limit 1.2766" (32.426 mm)
Ex
Std 1.2884-1.2924" (32.726-32.826 mm)
Limit 1.2766" (32.426 mm)
Camshaft journal OD
Mag 1.4935-1.4941" (37.935-37.950 mm)
PTO 1.4935-1.4941" (37.935-37.950 mm)
Camshaft journal bore ID
Mag 1.4963-1.4970" (38.005-38.025 mm)
PTO 1.4963-1.4970" (38.005-38.025 mm)
Camshaft Oil clearance
Std .0022-.0035" (.055-.090 mm)
Limit .0039" (.10 mm)
Cylinder Head
Surface warpage limit .0020” (.05 mm)
Standard height 3.870” (98.3 mm)
Valve Seat Contacting width
In
Std .028" (.7 mm)
Limit .055" (1.4 mm)
Ex
Std .039" (1.0 mm)
Limit .071" (1.8 mm)
Valve Guide
Inner Diameter .2362-.2367" (6.0-6.012 mm)
Protrusion above head .689-.709" (17.5-18.0 mm)
Valve Margin thickness
In
Std .039" (1.0 mm)
Limit .031" (.8 mm)
Ex
Std .047" (1.2 mm)
Limit .031" (.8 mm)
Valve
Stem diameter In .2343-.2348" (5.950-5.965 mm)
Ex .2341-.2346" (5.945-5.960 mm)
Stem Oil clearance
Std
In .0014-.0024" (.035-.062 mm)
Ex .0016-.0026" (.040-.067 mm)
Limit .0059" (.15 mm)
Overall length
In 3.976" (101.0 mm)
Ex 3.984" (101.2 mm)
Valve Spring
Overall length
Std 1.654" (42.0 mm)
Limit 1.575" (40.0 mm)
Squareness .075” (1.9 mm)