Troy-Bilt 8 HP - Manual (Page 73)

SPECIFICATiOMS
MOTOR OIL
S ee S ection 6 for recom m ended
service classifications and viscosi­
ties. O il sum p capacity is approxi­
m ately 2% pints, how ever alw ays
be sure to add enough oil so that it
is to the point of overflow in the oil
fill tube. D ual oil fill tubes and dual
oil drain plugs.
SPARK PLUG
S park plug gap: .030".
Type:
C ham pion C J8 or A utolite 235.
In som e areas, local law requires
the use of a resistor spark plug.
If your engine w as originally
equipped w ith this type of plug,
use one of the follow ing plugs
for replacem ent: R esistor S hort
P lug: C ham pion R C J8 or A utolite
245; R esistor Long P lug: C ham ­
pion R J8 or A utolite 306.
BEARINGS
B all bearings are used at both
ends of crankshaft.
AIR CLEANER
A dvanced tw o-stage air cleaner
w ith autom otive type paper fiber
elem ent covered by oil-soaked
foam precleaner. C over is chrom e
plated.
GOVERNOR
M echanical type.
BREATHER
Installed through air cleaner.
CHOKE
M anually operated at engine.
8 HP KOHLER MAGNUM ENGINE
SPECIFICATIONS
GENERAL DESCRIPTION
Four-cycle, single cylinder, air
cooled, horizontal crankshaft en­
gine. A dvanced design features
low profile, m odular configuration.
C ast iron engine block, flyw heel
and cam shaft. C ylinder can be re­
bored several tim es to extend en­
gine life, if ever necessary. R ecoil
start w ith A utom atic C om pression
R elease is standard. K ey electric
start, w ith 12-volt battery and auto­
m atic recharging during engine
operation, is optional. Solid state
inductive electronic ignition sys­
tem elim inates the need for ignition
tune-ups.
HORSEPOWER
8 H P (18.6 C ubic Inch D isplace­
m ent). B ore: 2.94 inches. S troke:
2.75 inches.
MODELS
R ecoil Start: M 8T-P S 301512
E lectric Start: M 8S T-P S301513
ENGINE WEIGHTS
(A pproxim ate)
R ecoil Start: 69 lbs.
E lectric Start: 71 ibs.
FUEL SYSTEM
S ide-m ounted fuel tank w ith
Vk
gallon capacity. C am -driven
fuel pum p for positive fuel deliv­
ery. P lastic tank prevents rust
and corrosion.
FUEL
Fresh, clean, unleaded regular
autom otive gasoline w ith a pum p
sticker octane rating of 87 or
higher. (Leaded “regular” grade
gasoline is an acceptable sub­
stitute.)
MOTOR OIL
S ee S ection 6 for recom m ended
service classifications and vis­
cosities. O il sum p capacity is ap­
proxim ately 32 oz., but alw ays use
the dipstick as a final guide.
SPARK PLUG
S park plug gap: .025".
Type: C ham pion R C J-8 or equi­
valent. If engine is equipped w ith a
C ham pion R J-17LM resistor spark
plug, it should be replaced w ith an
R J-17LM plug only.
CRANKSHAFT
H eat-treated ductile iron w ith
integral counterw eights. R otation
is counterclockw ise w hen view ed
from P TO (Pow er Take O ff) end.
BEARINGS
B all bearings are used at both
ends of crankshaft.
VALVE TRAIN COMPONENTS
H igh carbon steel intake valve.
S tellite® faced exhaust valve and
exhaust valve seat insert, w ith valve
rotator.
AIR CLEANER
Tw o-stage air cleaner w ith dry
type paper elem ent covered by oil-
soaked foam precleaner.
GOVERNOR
P recision m echanical flyw eight
type.
BREATHER
C losed crankcase ventilation
breather system keeps dirt and
dust from entering crankcase.
CHOKE
M anually operated at engine.
71