Onan P216 User Manual

Dimensions and Clearances
I
P216, P218, P220
All clearances given at room temperature of 70°F. (21 OC).All dimensions in inches (approximate millimeter dimensions
in parentheses) unless otherwise specified.
DESCRIPTION
MINIMUM MAXIMUM
Inches (mm) Inches (mm)
CYLINDER BLOCK
Cylinder Bore Honed Diameter ............................ 3.2490 (82.52) 3.2500 (82.55)
Maximum Allowable
Out-of-Round
......................................... 0.003 (0.08)
Main Bearing Inside Diameter (Without bearing)
............. 2.1 870 (55.55) 2.1 880 (55.58)
Main Bearing Inside Diameter (Installed service bearing) ..... 2.0015 (50.84) 2.0040 (50.90)
Camshaft Bearing Bore (Installed service bearing)
........... 1.3757 (34.94) 1.3787 (35.02)
CRANKSHAFT
Main Bearing Journal Diameter ............................ 1.9992 (50.78) 2.0000 (50.80)
Main Bearing Clearance
.................................. 0.0024 (0.061) 0.0042 (0.1 07)
Connecting Rod Journal Diameter
......................... 1.6252 (41.28) 1.6260 (41.30)
Crankshaft End Play..
.................................... 0.0060 (0.152) 0.01 20 (0.305)
Taper
................................................. 0.005 (0.1 3)
CONNECTING ROD
Large Bore Diameter (Rod bolts properly torqued) ........... 1.6280 (41.35) 1.6285 (41.36)
End
Play ................................................ 0.0020 (0.051) 0.01 60 (0.406)
Piston Pin Bushing Bore (Finished bore)
.................... 0.6879 (17.47) 0.6882 (1 7.48)
Bearing
to Crankshaft Clearance.. ......................... 0.0020 (0.051) 0.0033 (0.084)
CAMSHAFT
Bearing Journal Diameter ................................. 1.3740 (34.90) 1.3745 (34.91)
Bearing Clearance
....................................... 0.0015 (0.038) 0.0030 (0.076)
0.0480 (1.21 9)
Lobe Height
End
Play ................................................ 0.0110 (0.279)
P216, P218 Intake..
.................................... 1.1 370 (28.88)
P216, P218 Exhaust
....................................
1.1 570 (29.39)
P220 Intake..
..........................................
1.1 670 (29.64)
P220 Exhaust..
........................................
1.1 570 (29.39)
PISTON
Clearance in Cylinder
Measure 90°
to pin 1.187 inch below top of piston ......... 0.0033 (0.084) 0.0053 (0.1 35)
Piston Pin Bore 0.6877 (17.47) 0.6882 (1 7.48)
Ring Groove Width
..........................................
Top Compression Ring ................................. 0.0800 (2.032)
0.081
0 (2.057)
Bottom Oil Control Ring.
................................ 0.1 880 (4.775)
0.1 890 (4.800)
*
Middle Compression Ring., ............................. 0.0800 (2.032) 0.081 0 (2.057)
C
3-1

Onan P216 Specifications

General

Cylinders	2
Cooling System	Air-cooled
Fuel Type	Gasoline
Power Output	16 hp
Ignition System	Electronic
Starting System	Electric
Engine Type	4-cycle, air-cooled
Oil Capacity	2 U.S. quarts (1.9 liters)