Polaris A09BG50AA User Manual

ENGINE
3.4
EH50PLE ENGINE SERVICE DATA
Cylinder / Piston / Connecting Rod EH50PLE10
Cylinder
Surface warpage limit (mating with
cylinder head)
.0020″ (.05 mm)
Cylinder bore Std 3.6221-3.6228″ (92.00-92.02 mm)
Taper limit .0020″ (.050 mm)
Out of round limit .0020″ (.050 mm)
Piston clearance
Std .0006-.0018″ (.015-.045 mm)
Limit .0024″ (.060 mm)
Boring limit .020″ (.5 mm)
Piston Outer diameter
Std 3.6204-3.6215″ (91.970-91.985 mm)
.0098″ (.25
mm) OS
3.6304-3.6310 (92.21-92.23 mm)
.0197″ (.50
mm) OS
3.6403-3.6407 (92.46-92.47 mm)
Standard inner diameter of piston
pin bore
.9055-.9057″ (23.0-23.006 mm)
Piston Pin
Outer diameter .9053-.9055″ (22.994-23.0 mm)
Standard clearance-piston pin to pin
bore
.0002-.0003″ (.004-.008 mm)
Degree of fit Piston pin must be a push (by hand) fit
at 68° F(20° C)
Piston Ring Piston ring installed Top
Std .0079-.0138″ (.20-.36 mm)
g
g
gap
p
ring
Limit .039″ (1.0 mm)
Second
Std .0079-.0138″ (.20-.36 mm)
ring
Limit .039″ (1.0 mm)
Oil ring
Std .0079-.0276″ (.20-.70 mm)
g
Limit .059″ (1.5 mm)
Piston Ring Standard clearance Top
Std .0016-.0031″ (.040-.080 mm)
g
-
p
i
s
t
o
n
r
i
n
g
t
o
r
i
n
g
p
ring
Limit .0059″ (.15 mm)
piston ring to ring
g
r
o
o
v
e
Second
Std .0012-.0028″ (.030-.070 mm)
g
r
o
o
v
e
ring
Limit .0059″ (.15 mm)
Connecting
Connecting rod small end ID .9058-.9063″ (23.007-23.020 mm)
g
Rod
Connecting rod small end ra -
Std .0003-.0010″ (.007-.026 mm)
g
dial clearance
Limit .0020″ (.05 mm)
Connecting rod big end side
Std .0039-.0256″ (.1-.65 mm)
g
g
clearance
Limit .0315″ (.80 mm)
Connecting rod big end radial
Std .0004-.0015″ (.011-.038 mm)
g
g
clearance
Limit .0020″ (.05 mm)
Crankshaft Crankshaft runout limit .0024″ (.06 mm)
KEY- Std: Standard;OS: Oversize;ID: InnerDiameter;
OD: OuterDiameter; Mag: Magneto Side; PTO: Power
Take Off Side

Polaris A09BG50AA Specifications

General

Brand	Polaris
Model	A09BG50AA
Category	Offroad Vehicle
Language	English