Onan MDJF Series Operator's Manual And Parts Catalog page 7

Minimum Maximum
S T A R T I N G MOTOR
Rotation " . . . . Counterclockwise
Pinion Clearance to Pinion Stop (Solenoid Plunger Bottomed) .070 .120
Pinion Rest Position — Distance from Pinion Housing Mounting Face
to Outer Edge of Pinion 1-9/32 1-15/32
Armature End Play .005 .030
Test Specifications
No Load v . ; 10 volts - 80 amps
5000 rpm Min.
Stall Torque 4 volts - 420 amps
7.8 lbs. f t . Min.
Brush Spring Tension 32-40 ounces
with new brushes
V A L V E , I N T A K E (Hardened Chrome Alloy)
Stem Diameter .3405 .3410
Clearance in Guide '. . . . . . .0015 .0030
Valve Face Seat Angle . . . 4 2 6
Valve Clearance .017
V A L V E , EXHAUST (Hardened Chrome Alloy)
Stem Diameter 3405 .3415
Clearance in Guide " . . . .0030 .0050
Valve Face Seat Angle 4 5 °
Valve Clearance .017