3.8
ENGINE
800 EFI Engine Service Specifications
Cylinder Head - Engine Specifications
Main Component: Cylinder Head RZR800HO-11 (PN 1204276)
Camshaft
Cam Lobe Height - Intake 1.357” (34.477 mm)
Cam Lobe Height - Exhaust 1.342” (34.096 mm)
Camshaft Journal Outer Diameter - Mag 1.654"
0.00039" (42 0.010 mm)
Camshaft Journal Outer Diameter - Center 1.634"
0.00039" (41.50 0.010 mm)
Camshaft Journal Outer Diameter - PTO 1.614"
0.00039" (41 0.010 mm)
Camshaft Journal Bore Inner Diameter - Mag 1.656"
0.00039" (42.07 0.010 mm)
Camshaft Journal Bore Inner Diameter - Center 1.637"
0.00039" (41.58 0.010 mm)
Camshaft Journal Bore Inner Diameter - PTO 1.617"
0.00039" (41.07 0.010 mm)
Camshaft Oil Clearance 0.00276"
0.00079" (0.07 0.02 mm)
Camshaft End Play 0.0167"
0.0098" (0.425 0.25 mm)
Counter Balance Counter Balance End Play 0.005" (0.127 mm)
Cylinder Head
Cylinder Head - Surface warp limit 0.00394" (0.1 mm)
Cylinder Head - Standard height 3.478" (88.35 mm)
Valve Seat
Valve Seat - Contacting Width - Intake 0.0472"
0.00787" - 0.0039" (1.20 0.20 - 0.10 mm)
Valve Seat - Contacting Width - Exhaust 0.0591"
0.00787" - 0.0039" (1.50 0.20 - 0.10 mm)
Valve Seat Angle 45.5
0.255
Valve Guide
Valve Guide Inner diameter 0.2367"
0.00029" (6.012 0.007 mm)
Valve Guide Protrusion Above Head 0.807"
0.0039" (20.50 0.01 mm)
Valve
Valve Stem Diameter - Intake 0.2356"
0.00039" (5.985 0.01 mm)
Valve Stem Diameter - Exhaust 0.2351"
0.00039" (5.972 0.01 mm)
Valve Stem Oil Clearance - Intake 0.00228"
0.00098" (0.058 0.025 mm)
Valve Stem Oil Clearance - Exhaust 0.00275"
0.00098" (0.0870 0.025 mm)
Valve Stem Overall Length - Intake 4.51"
0.01476" (114.5550 0.375 mm)
Valve Stem Overall Length - Exhaust 4.5453"
.01496" (115.45 0.38 mm)
Valve Spring
Valve Spring Overall Length - Free Length 1.735" (46.069 mm)
Valve Spring Overall Length - Installed Height
Intake - 1.4638" (37.18 mm)
Exhaust - 1.4736" (37.43 mm)
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