KS01S ENGINE SPECIFICATIONS
Type
••H•--····••H••·········•Kobl.er,
1
Cylinder,
4
Stroke
Cycle,
A1r Cooled, "L" Head
Sng1ne
Bore
•••--••-------H••••••u•••••••••••••u•
3.300 lnches
Stroke
••••••••-•H••••••••••u•••••••·•••••••••••••••:l,250
Inches
l'istotl
Displacsment •········-·················
29.07 CUbie lnehes
Compression
Ratio •--························--···· 6
to
1
Mu.
Comp,
at
Crankillg Speed
(Sngtne
at
~al:lng
Temperature}
·······•llO to 120 PSl
at
Sea
Level
erw.:ase vacuum(~11 ~)-·· 6 to lO incnes vacuum
at
Sea
Level
T(nition ·--···········-·················12 Volt Coil, Breaker
POmts
CYLINDER BORE
Dia.metl!r
ot
Cylinder
Bore Sid.
A,
B••········--•S.3745-3.3785
~
,010
OVeralze
A,
B
+
10 ............... 3.3846-3.3855
mehes
.020
Oversllle
A, B + 20 •••••••••••••••
3.3945-3.3955
Inches
.030
Overallle
A, B • 30 •••••••••••••••
3.4045-3.4055
Inches
Cylinder Bore
Must
Be
Bored or Honed
Oversllle
li
Taper
or
Out
ol
Round
.Exeeedll ................... ·-····-······-····-···· ..
OO\l
lnches
PISTON
AND
PISTON PIN
otameter
ot
Std.
PiSton
at
To;;, ····-·•···········-
3.300-3,360
l'.nebes
Dilinleter
of
Std.
Pillloo
at
Top
of
Skirt
(Measured Just Below OU
rung) ····--····-······-
3.369•3.3'10
Inches
Diameter
ot
Sid. PistoD
a.t:
Bottom of
Skirt •·······-
3.3'11-3.372
tnehes
Piston Pin ••••••••••••••••••••••••••• Full Fleeting
Type
~
ln
Pl.ace With Two Reta!.Mr
Rinp.
PiSton
Pin
Bore
bl
l'istan,
Sid.
······••H-••·····
.1.1752-.11754
l'.nebes
Piston
Pin
Diameter
Sid,
•••••••-•••UH••••••••••ffl2-.S'l54
~
.005
Overal.Ze ••••••••••••••••••••••••••.
8802- .11!!04
Inches
PiSton
Pin
Umgth
·•··••n••······•••··--··•····•
Z.'135-2.'150
tnclles
Piston
Pin Fit
In
Piston -···-•------·-·••···•·
One
'flmml)
.\'UM
Fit
l'istotl
Pin
Fit
In
Conueeting
Rod •••••••••••••••••••
0003-.0008
tnches
PISTON RINGS
rungs
Per
PistoD
•········--·······--········(2 Com)'ll"ession-1
OU)
tst('r<ip)CompressiOII-Chrome,
'l'llpeHd
Face.
Relief Indicates Top
Side.
Side
Clearance •·········· .. -
.003-.004
Inches
Widtb
'···-··········--···•n••··
.078
Inches
2nd •
Compreseion ---·····
Chrome, Relief lndleates
Bottom
Side
Side
Clearance •·············
.OOZ...004
Inches
Width--••••••••••-••-•---- .078
Inehes
3rd.
Oil Ring .............................. Cast W/Expander
Side
Clearance •·············
.001 •• 003
Inchea
Width
U•••••••••••••-••••••-•••
.1870
tnehes
RillC End
Gap
When
Installed
ln
BON ····-·······-··· .010-.020
Inches
Replacement
Ri!lg
Width
1st
Comp. -················ .0'17-.0711 'Inches
2nd
Comp ••••••••••••••••••• 07'1-.0'78
Inches
3rd
OU
Rail ••••••••••••••
.0235-.0245
Inches
3rd
Oil
Ring•-·········-····
.134-.135
Inches
CONNECTING ROD
Connecting
Rod
L,mgtll
From
Center
Ol
Pin
Hole
To Center
ot
Bearing
Jcurna.l
···················••5.295-S,297
Inches
Piston
Pin
Hole
Diameter
ln
Rod•·······-········
,8'157-.9'160
lnclles
Inside
Diameter
Ol Rod
Journal,
Sid. •·······-···
1.5005•1.5010 lncbes
Undera!Ze ••••••••••••••
l.4005•1.4910
lnehes
Connecting Rod To Crank Journal Clearance ...............
ooos-.0015
Connecting
Rod
To Crank
End
Play
Clea.ranee
u.-. ••••
00'1-.01$ lnches
CRANKSHAFT AND
SEARINGS
Type
Main
Bearings .................................
Ball
Bearings
Craaltlithaft
Rod
Journal •·····················•• 1.4995-l .5000 Inches
Crankshaft Rod lcurnal WHth •••••••••••••••••••• 1.079•1.084 Inches
Cra.nkshafi
End
Play -····--············ •·········· .003-.020 blelles
Measured
a.t:
l:learing Nate and Shlru
tu
l'ro,:,cr l':nd Plav.
CAMSHAFT
~
El!d
Plair •···•••------•-•---•--••-
,005-.010
tnci-
Camsllaft
Pm~
•-•---••HH•-•----.4980-.49811
lnches
Camsllatt
Inside
Diameter ·•··-••••-···---•-···•• .4995--.5015
Inches
camshaft
Pin
to
CIU:IISha1t
Clea.ranee
·•-••••·•-••,001-.0035
:tnehes
Camsllatt Pin
to
Breaker
Cam Clearance •••-·--• .001-.0025
lnches
VALVE
LIFTEl'ltS
Valve
Lffler
OUtside
~
In
Bl.oolt••···-·---.62n-.11m
lnches
Va..lve
utter
Bore
In B1ocJt
-----•·•----------·•-·11245-.11255
l'.nebes
Valve
utter
To
Bloek Clearance .........
·--•·······OOS-.0023
Inches
VALVES
llltake
Valve
Tappet Clearance (Cold)
----·---------.008-.010
mehes
Emwst Valve
'l'#ppet
Clearance (Cold) ·-•--·-·••-.Ol'l ••
020
Inches
A:agle
ot
Va..lve
Face - Intake
and Exhaust -···--········--
44
~
Valve
L,mgtll •
tatake and
Emawlt ••·•·••••·•··•••
4.1.172-4.582
mehes
M'a:&:.
Valve
Face
lb.l.ao1lt - Intake --········-···--······
.0015,
Inches
M'a:&:.
Valve
Face
R'lmOut -
~
-····---···--···-·•-.003
Inches
valve
Bead Diameter •
Intw •··•··-···-··--···
l
.3'10-1.3$0
Inebea
V&Ive
Head
Diameter.
Exhallst---••H••·····••··
1,120-1.130
lnches
Valve Stem Diameter·
Intake·--•--··•--·--··•-••
.3105--.3110
Inches
Valve stem
Diameter •
l!lllhallst -·--·•--•··•••-•·
.3090--.3095
Inches
lutake
Valve
Stem
to
Guide
Clea.ranee -·------·-- .001-.0025
Inches
Emaut
Valve
stem
to
Oa1de
Clevance ·•--••··-• .0025-,004
Inches
VALVE
SEATS
Seat
A:agle.
llltake
and Ezhallllt--·-··---·······--·····-·11
~
l\fl;L
seat
Rwtout Intake
and
:&ll:baust
---------··--·--·-··002
Inches
Seat
W1dt.b.
tatake ------·------··-----······-·····
.03'1-.045
Inches
Seat
Width. l!:lcllaust ------··--·--·----·-····--
.031-.062
mehes
Ezbau.llt
Sat
Insert ··-·------------·---····---·-··
Repl.aeeable
OUtside
Dia.1.ueter
of
Exhaust
l.!lllert ·--·-····--·
1.2535--1,2545
Inches
Ji1ldlawlt
l'nllert
Jfeigbt ...............................
219-.221
l'.nchea
VALVE
GUIDES
Valve
Guhie
L<mCtll •··-······•----------··--···
2.125
Inches
Valve
Guide
Ol.ltaide
Dill.nl.eter
·••··-••···•-•··-·•6260,..62S5
lnehes
Valve
Guide
to
B1oek
{Pren Fit } --•·•-·····-·-
.0005-.002 Inches
Valve
Guide
Inside Diameter - Before
lnstallmg •--··-
.30'1-.308
mehes
Ream Valve
Clllidu
After
lnstallmg
to
--••·•-••.312-.313
lnehes
VALVE SPRINGS
Sp:rinlf
Free Lenctll ----·--·-----·-···--·-··------·-·--
1.'193
mehes
Sprillg
PrUsu:re
When
Comp,
to
1.469
ht.
{Valve CloNd)
.a,
to
31
Lbs.
Sprillg
l'rellsure
Wilen
Comp.
to
1.1115 In.
(Vlllve
Open}
---54
to
112
Lbs.
GOVERNOR
Governor
Stub
Shaft
Outside
Diameter •••••••••••••• 3735--.3'140
toohell
Governor
Gear
Bore tor
Stub Shatt
--···-·········3'145-.3755
lnches
Stub
Shaft
to
Governo:r
Gear
Clearance •-·······-··· .0005--.002
toohell
Goverrun-
Sprlng
Free
Lqtll
with
2 Lb •
.Pre-LOad ........
2.62
Inches
Gove:rnor
Sprillg
~
to
2.SS
1nclles •·•·•-•-·-
5.5
tc
!U
J.w:bes
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