Kohler MAGNUM M18

SECTION 1
SAFETY AND GENERAL INFORMATION
Model Model
M18 M20
Piston and Piston Rings E
(Style “D” Pistons)
Thrust Face O.D. @ Dt - Мем ........................ 3.1203/3.1210 3.1208/3.1215
Thrust Face O.D. @ 01 - Max. Wear Limit? .............. 3.1181 3.1186
Thrust Face to Bore Clearance @ D1 - New? . . .0035/.0052 .0030/.0047
Piston Ring End Gap - Мем .......................... .010/.023 .010/.023
Piston Ring End Gap - Used (Max.)® ................... 032 032
Piston Ring Side Clearance – Мах, ..................... -006 006
Piston Pin O.D. - New ............................... .8247/.6249 -7499/.7501
Valves and Tappets
Intake Valve to Tappet Clearance - Cold ................ .003/.006 .003/.006
Exhaust Valve to Tappet Clearance - Cold
(Serial No. 1816500646 and earlier) .................. .016/.019 :016/.019
(Serial No. 1816500656 and later) ................... .011/.014 .011/.014
Intake Valve Minimum Lift - Zero Lash .................. -274 274
Exhaust Valve Minimum Litt - Zero 1азһ................. 274 274
Intake Valve Minimum Stem О.О. ....................... 3103 3103
Exhaust Valve Minimum Stem OD. ..................... -3088 .3088
Nominal Маме Seat Angle
(Serial No. 1816500646 and earlier) .................. 45° 45°
(Serial No. 1816500656 and later) ................... 30° 30°
Valve Guide Веатег 5126 ............................. :3125 :3125
Intake Valve Guide І.О. Max. Wear Limit ................. -005 005
Exhaust Valve Guide I.D. Max. Wear Иті ................ .007 :007
1.9