Kohler KT17 - Torque Settings and Tolerances

SECTION 1
GENERAL
INFORMATION
TORQUE SETTINGS - Special
KT17 KT19 KT21
Spark Plugs (ft. lbs.) ......... .
Flywheel Retaining Screw
{ft. lbs.) ............•...•..
Manifold Screws (in. lbs.) ..... .
Closure Plate
Screws
10-15 {14-20 N m)
{1.4-2.1
kgm)
40 {54 N m) {5.5 kgm)
150 {17 N m) {1.7 kgm)
10-15 {14-20Nm)
{1.4-2.1 kgm)
40 {54 N m) {5.5 kgm)
150 {17 N m) {1.7 kgm)
10-15 {14-20 N m)
{1.4-2.1
kgm)
40 {54 N m) {5.5 kgm)
150 {17 N m) {5.5 kgm)
{in. tbs.) . . . . . . . . . . . . . . . . . . 150 {17 N m) {1.7 kgm) 150 {17 N m) {1.7 kgm) 150 {17 N m) {1.7 kgm)
............... (See Closure Plate Diagram Page 62 for Correct Tightening Sequence) ............. .
Cylinder Head
Screws*
{ft. tbs.) ...........•.......
15-20 {20-27 N m) 15-20 {20-27 N m) 15-20 {20-27 N m)
{2.8-3.7
kgm) {2.8-3.7 kgm) {2.8-3.7 kgm)
.............. (See Cylinder Head Diagram Page 63 for Correct Tightening Sequence) ............. .
Cylinder Barrel Stud Nuts
{in. lbs.) . . . . . . . . . . . . . . . . . . 360 {40.5 N m) {4 kgm) 360 {40.5 N m) {4 kgm) 360 {40.5 N m) {4 kgm)
.................. {See Barrel Diagram Page 62 for Correct Tightening Sequence) ................ .
Connecting Rod
Screws*
(in. lbs.) ................. .
Connecting Rod Nuts*
(Posi-Lock Rods)
New Rod {in. lbs.) ......... .
Used Rod (in. lbs.)
....... .. .
Crankcase
Stud Nuts
200 {23 N m) {2.3 kgm)
140 {15.8 Nm) (1.6 kgm)
100 {11.3 Nm) (1.2 kgm)
200 {23 N m) {2.3 kgm)
140 {15.8 Nm) {1.6 kgm)
100 {11.3 Nm) {1.2 kgm)
200 {23 N m) {2.3 kgm)
{in. lbs.) . . . . . • . . . . . . . . . . . . 260 {29 N m) {3 kgm) 260 {29 N m) {3 kgm) 260 {29 N m) {3 kgm)
Crankcase Cap Screws .......................... (See Crankcase Diagram Page 60 for Torque and Sequence) ............. ..... .
Crankcase
Slot Head Screw
(in. lbs.) ................. . 35 {4 N m) {0.4 kgm)
35 {4 N m) {0.4 kgm)
35 {4 N m) {0.4 kgm)
·Lubricate with oil at assembly.
TOLERANCES, FITTED PARTS
Crankcase End Play
(Ball Bearing) ............. .002/.023"
{.051/.580
mm)
.002/.023"
{.051/.580
mm) .002/.023"
{.051/.580
mm)
Crankshaft End Play
(Sleeve Bearing) ........... .002/.014"
{.051/.355 mm)
.002/.014"
{.051/.355 mm) .002/.014"
{.051/.355 mm)
Crankshaft Running Clearance
(Sleeve Bearing) ........... .0013/.0033" {.034/.083 mm) .0013/.0033" {.034/.083 mm)
.0013/.0033" {.034/.083 mm)
Camshaft End Play ........... .003/.013"
{.077/.330
mm)
.003/.013"
{.077/.330
mm) .003/.013"
{.077/.330
mm)
Camshaft Bearing ............
.0010/.0025" {.025/.063 mm) .0010/.0025" {.025/.063 mm)
.0010/.0025" {.025/.063 mm)
Connecting Rod to
Piston Pin Running .........
.0006/.0011" {.016/.027 mm) .0006/.0011" {.016/.027 mm)
.0003/.0008" {.008/.020 mm)
Connecting Rod to
Side Play on Crankpin ...... .005/.016"
{.13/.41 mm)
.005/.016"
{.13/.41 mm) .005/.016"
{.13/.41 mm)
Connecting Rod to
Crankpin Running .......... .0012/.0024"
{.030/.060
mm)
.0012/.0024"
{.030/.060
mm) .0012/.0024"
{.030/.060
mm)
Piston Thrust Face to Bore
Running
(@Gage Dia.) ...... .006/.008"
{.15/.20 mm)
.0065/.0085"
{.165/.216 mm) .0065/.0085"
{.165/.216 mm)
Rings- Side Clearance .... Top
.002/.004" {.051/.10 mm) .002/.004" {.051/.10 mm) .002/.004"
{.051/.10
mm)
..... lnt .001/.003"
{.025/.077
mm)
.0011.003"
{.025/.077
mm) .0015/.004" {.038/.01 mm)
..... Oil .001/.003"
{.025/.077
mm)
.001/.003"
{.025/.077
mm) .001/.003"
{.025/.077
mm)
Rings- End Gap ............. .010/.020" {.254/.508 mm) .010/.020" {.254/.508 mm)
.010/.020" {.254/.508 mm)
Wrist Pin to Piston Boss-
Max ......................
.0003" {.008 mm) .0003" {.008 mm)
.0003" {.008 mm)
Wrist Pin to Rod ............. .0006/.0011"
{.016/.027
mm)
.0006/.0011"
{.016/.027
mm) . 0003/. 0008"
{.008/.020
mm)
Intake Valve to Tappet-
Cold ..................... .003/.006"
{.076/.150
mm)
.003/.006" {.076/.150 mm)
.003/.006" {.076/.150 mm)
Exhaust Valve to Tappet -
Cold .....................
.011/.014" {.279/.355 mm) .011/.014" {.279/.355 mm) .011/.014"
{.279/.355 mm)
Valve Lift - Zero Lash .........
.280" {7.11 mm) .280" {7.11 mm)
.280" {7.11 mm)
Intake Valve Stem to Guide-
Max . .....................
.0045" {.114mm)
.0045"
{.114 mm) .0045"
{.114 mm)
Exhaust Valve Stem to Guide-
Max . ..................... .0065"
{.165 mm)
.0065"
{.165 mm) .0065"
{.165mm)
7